DOCTORAL DISSERTATION SERIES mi# immriM of m mmm gtrmtt/i w sefflU mtrtmti p m s t o a m i # s m £ sm m a l sutoce m m amearn jcm m wtf'Stm stmt imrnt a u th o r JM AI H £ /iM HtdCbRVM _ _ _ _ _ _ _ UNIVERSITY MClflSAtt DEGREE. M. m g C lll , DATE _ PUBLICATION NO.. M SS, VMS lll|l|N[l|l|l|l|l|M|l|l|l|l|l|M|l|ll U f g UNIVERSITY MICROFILMS fiN INVESTIOATTON OF THE REL * TI ONS HI P BETWEEN THE SCIE.TCJ I N FORE ATI ON P OS S E S S E D BY NINTH OR ADr, OEHuRfL S T TTDENTS SCIENCE ANY CERTAIN SCHOOL AND OUT-OF-SCHOOL SCIENCE EXPERIENCES By John Woodburn A T h esis Subm itted to the School o f G raduate S t u d ie s o f M ichigan S t a t e C o l l e g e o f A r r i c u l t u r e and f o n l i e d S c i e n c e in n a r t ia l f u lf illm e n t o f the requirem ent? for the d ecree o f LOCTor OF PHILOSOPHY Depprtn-ent 1952 E ducation ACKNOWLi£DGD 1,LTS The author teachers, C entral cooperation for h is in role of counsel and etion the is tirth er Rorer of author's for hiyh advisory and students schools indebted th is anpr- e l a t i o n to for Dr. thesi s eorm ittee of the the th eir A. and to J. to H ur^ett the for other th eir ?7uidsnce. B o o k Company d] Illin o is adviser h is o fficia ls, study. as the express th is author members hr. to ad in in istrstive th irty-on e The w ishes T. ?ave th is Read G eneral arranrem ents for Lem on as a valued oroject Science the a rep resen tative contrib ution by m aking Test toward availab le and b y m a r i n e : d istrib u tion of the of the the data World coin- cono-rninp; sp ecial test b ook lets. TABLE OP CONTENTS PAGE CTTAFTER I. T ■:E PROBLEE AND D E F I i \ i l rJ IONS OF TERmS USED. . 1 T h e p r o b l e m ....................................................................................... 2 Statem ent of L im itation s The the of the im portance D efin ition s of nroblem of A review cal of an alysis O rgan ization II. P’ the of . . c. problem . , 3 the term s Terms p e c u l i a r l y . term s the the In this study. of scien ce in data ................................... of the . achievem ent of students stu d ies of science achievem ent i n Il-H C l u b s correlation in . 19 between 31 s e x ............................................... ..... 33 stu dies regarding associated and . and i n t e l l i g e n c e . achievem ent d ifferen ces courses. • related In stu dies scien ce in volvin g in differen ces R elated 18 . upon fin d in gs w ith . general achievem ent The 111 in general 10 th esis in stru ction the 9 statist previou s subsequent R elated . in rem ainder the . used if:TS RESEARCH RELATED TO THE STUDY E ffect 8 u s e d ............................................... used of 5 nroblem regarding associated d ifferen ces in w i t h m e m b e r run I p S c o u t s ..................................................... 38 iv PAGE CHAPTER P rior in stu d ies achievem ent ciated w ith grounds P rior of w ith general d ifferen ces scien ce social-econ om ic asso­ back­ s t u d e n t s .................................................................. explorin g related to the m iscellean ou s stu d ies. 59 COL L E CT I ON OP D A T A .............................................................................. T3 and l i m i t a t i o n s K a 1 e r I al. s General Personal i n f' orr a t i o n group tauo-ht of group of no tenth taught, p reviou s ninth general 33 f o r m ................................................ 53 grade grade students through year. who w e r e through group scien ce wno w e r e the st"dents scien ce biology general the who had through scores of R elation ship on the the the in itia l, three between Read G e n e r a l fin a l, and Science test and 6q the 67 68 rs i n g r o u p s ......................................... in tellig en ce • been THE DATA AMD THJ; CR I NT E R P R E T A ' i I O N S .............................. of 53 year g r a d e .................................................................................. Com narison ^3 t e s t .................................... scien ce n in th grade no Science ninth general taught The th is u s e d .................................................................................... The Read The of of ques­ I4.6 The content Ul study Summary IV . in the research tion s III. concerned 68 scores . . . . • ?8 V C l AFTER PAGE D ifferen ces w ith in achievem ent d ifferen ces D ifferen ces in s e x ..................................................... achievem ent w it h m em bership D ifferen ces in in associated associated I4-—IT C l u b s a n d associated 82 w 'tn Scouts. . 36 Scout e x p e r i e n c e s .................................................................................. D ifferen ces associated exp erien ces. D ifferen ces in achievem ent in D ifferen ces associated c i t ^y home home D ifferen ces h-H Club ...................................................... d ifferen ces and w ith 36 associated w ith b a c k r r o u n d .............................. w ith ru ral, bac^ftrounds. . associated w ith of associated in terest D ifferen ces of V. resd in r associated scien ce seventh, in w ith ........................... "best" w ith in stru ction and eigh th the . . . sixth , to con cern in ' rontiral nin th rroups sn i-n ce d lfferin p in stru ction 116 ONS PDOi PTED KY TZE D A T A ............................................................. Data 112 amounts r r o d . e s .......................................... THC DATA S ’T i AD 1 ODD ADD n : . ,;R AL 1Z At 107 decrees books d ifferen t through 103 and d ifferen t scien ce 103 v illc^ e, " p o o r e s t ” h o m e s ........................................................................ D ifferen ces 100 in 130 resoect throuph the p r a d e ........................................................................................ 131 vl page chapter Date concerning in tellig en ce D ifferen ces Data and in d ifferen ces the s c o r e s on achievem ent Read test associated d ifferen ces in the betw een • Scout associated organ ization s regarding associated ground Data Data w ith a n d I4. -H d ifferen ces the d ifferen t sc.i nee associated in stru ctio n the w ith and of in home back­ in terest d ifferen ces through the in amounts sixth , 137 associated books about d ifferen t 135 achievem ent d ifferen ces degrees books concerning cin-hth in ...................................................................................................... concerning w ith in r d ifferen ces 13U w ith C l u b s ............................................................................................................ D ata 133 w ith s e x ................................................................... in concerning m em bership rela tio n sh ip in resd- sciexice. II4.O achievem ent of scien ce seventh, and " r a d e s ......................................... .. ........................................ II4.I R.DOfiF KNl)7':'I0NS FOR FTJTURE o ' F J D I E S .............................. 1 1\5 “ I P L C"GR AP H Y .................................................................................................................. - II4.6 \ I. V ’ ' • G : x .............................................................................................................................. 3 ur> p i e-u e n t s r v tion fro , oncv d1str ibu t io n s and i ll correla­ t a b l e s ............................................................................................................ lg 3 Tne React G e n e r a l ocion ce test ( f o r m A ) ............................. 137 The Read G e n e r a l S cien ce test ( F o r m B ) ............................. 133 v ii C 'AP'iiTR 7 lrst PAGE oreltrn in ary teachers report to the ...................................................... Second p relim in a ry report to the cooperating ......................... cooperating t e a c h e r s .................................... ............................................................................. Personal inform ation 109 f o r m . ' .................................................................. 190 191 LIST OF TABLES TAHLE I* PASS The 90th P ercen tile 6 , 0 3 3 Gases for A P ortion to Scien ce of F iller 's Show P e r Cent F ifteen E stab lish ed D ifferen t Dvorak’ s General II. Score of Date of ..................................... R ecalculated P o ssib le Groups on Groups Test amonp; Correct I t e m s ................................................. Summary of a P ortion o f M a tte s o n ’ s Data IV. Summary of a P ortion of V. A P ortion of . . . of S e x ................................................................... Farnum* s D a t a VII. C h aracteristics the Compurinp: Group Students f r o m Whom t h e Data th is for Com parison of I n t e l l Ipence w ith V I11. of that C onoarison Scores of Expected Quot i e n t s in of P ortion of of the 1,920 a Normal 60 the Students D istrib u tion Observed D istrib u tion 1,973 Students w ith a Normal 39 1,973 the ia 36 Scouts C o l l e c t e d ......................... D istrib u tion Expected of of M ajor S t u d y Was the 30 A chievem ent a n d N o n - S c o u t s .................................................................................... VI. 21+ Howard’ s D ata Regardinp; D i f f e r e n c e s w ith to Answers III. A sso cia ted 21 the D istrib u tion of 62 the F requencies . . . . . 6 I4. ix TABLE PAGE IX. Com parison o f of the the Scores F requencies Observed of 3#b92 Expected D istrib u tion Students In w ith a Normal the D istri­ b u t i o n ..................................................................................................... X. Com parison of Three Read XI. of C orrelation s of C orrelation s Three 969 of of of the the Scores 399 G i r l G irl Read of Read of Test In itial Groups Students Test on w ith Scores Students of the Scores of Scouts 603 w ith of Read 1,00)) Bov the 366 76 the In tellig en ce. of 75> and F i n a l of Scores 70 Students T e s t .................................................... the 69 and T o t a l • 8l G irls B o y s .................................................................................. Com parisons the Three S cien ce Cor o a r i s o n s w ith the Three Scores Croups the betw een Croups General VVI. Scores T e s t .................................................... Read of the Part Three between Scores Scores of Who T o o k t h e betw een the V/'no T o o k and and F i n a l S t u d e n t s Who T o o k hue C a i n the Com parisons Part XV. of o r Students Who T o o k XIV. In itia l Croups Com parison Scores X III. the T e s t .......................................................................................... Croups XII. of 66 Boy Scouts N on-Scouts Scores 83 of and 60.9 N o n - S c o u t s ........................................................................ 33 X '[ABLE XVII. PAGE C om oarison w ith XV III. the Compari son Scout XIX. of H on-Scouts of . . . of C orrelation Suspected of A ffectin g of S cien ce the Scores of 378 the St w ith w ithout . . . Scores Club E x p e r i e n c e ........................................................................... XXI. Com parison of Students w ith Mixed XXII. o f the R ural, and F i n a l v illa ,re, 101 Scores C ity, or Home B a c k g r o u n d s ....................................... Com parison w ith In itial o f the C ain R ural, V illa g e , Scores C ity, of C om oaricon Scores of of the St In itia l, cients from o r M i x e d Home F in a l, the Com parison o f Scores of Interest the In itial , Students in R eading w ith " b e a t ?1 and F in al, and C a i n "H im ” and S cien ce 105 and G a in ' ' P o o r e s t ” H o m e s ......................................................... XXIV. 10l|. Students B a c k g r o u n d s ..................................................................... XXIII. 9lt dents the k-K 92 the Inform ation. '_! -H C l u b E x p e r i e n c e 1,593 Stu dents betw een 91 the N o n - S c o u t G r o u p s ............................ Com parison o f of Scon's C haracter! st ic s the 1,208 755 of C o efficien ts w ith of of A cq u isition XX. Scores Scores and Factors the books 109 "Low” . . . . 1 1 if xi TABLE XXV. PAGE C o^nurison of Students Science w ith of Students Grade V arious Scores Amounts through the of of lix th , a n d E i g h t h G r a d e s ................................................. Com parisons of In itia l C lasses Seventh, XXVI the in the In itial D ifferin g w :ich P rior Scores In o f Groups Hesoect Science to the In stru ction Had O c c u r r e d ......................................................................................... XXVII. Com parisons Students C lasses E irhth XXVIII. of through of Students C lasses of of S ixth , G rades. of of and the Sixth , . . . head C lasses • Test w ith in . • . G ain t he . G u n o l e n . e n t ■a r y C orrelation and . . . Scores . . 1 2 ‘.I of Numbers Sixth , . of Science V arious Grades and of Seventh, . 123 between T-Soores Numbers 121 Science Seventh, In itial the Students LXII. trib u tion s and t'arious through Science through Numbers t h e l - . ean D i f f e r e n c e s P in al and E i g h t h XXX. of . . . . . w ith Com parison Groups the Scores Grades In dividu al XXIX. P in al w ith V arious C onner!son E ighth the 119 Seventh, . . . . P reqicncy T ables . . 127 D is­ . . 1 jl} - 1 US LIST OF FIG GF,;S PAGE F I G TTRE 1. G raphic Scores Portrayal of Three of the Groups D istrib u tion s of Students of the . . . . 152 CHAPTER I THE PROBLEM AND D E F I N I T I O N S The has scien ce certain o r of”r a m dynam ic cannot and Changes thin king of secondary nature of and heln cop u lation in the youth the reexam in ation brin gs in as: by school the w ell learn in g of term s as the in as new scien ce and S cien ce,” from ’’M e e t i n g Students* pro~ram M o d i f i c a t i o n s d iscu ssed whenever p rofession al in .S c i e n c e ” scien ce problem s. N "'eds,” are teachers These Course and the by th is Johnson^ lev els, high general l s , and scien ces In volvin g ’’ E x p e r i e n c e s tynical convene p a rticu la r into O ften describ ed a Common L e a r n i n g s come. constant urogram. changes student develop m en t in sig h t prom pts nation T h is students . . . ex p a n sio n o f sc ie n c e at elem en tary g e n e r a l s c i e n c e and h e a l t h s c i e n c e a t j u n i o r school l e v e l s , scien ce w ith in core co u r ses, b io lo g y at the low er s e n io r high sch o o l l e v e v a rio u s attem nts to g e n e r a liz e the p h y sic a l at th e upper s e n i o r h ig h sc h o o l l e v e l s . ”F l a d i n g s our changing these growth nrocess changes, sch ools ch aracteristics. from w h ic h concerning b asic p u b lic affected society reexam in ation such the evolvin g be in " school the of program OF TERNS TTSED ton ics to title s in being d iscu ss were inclu ded ^ P h i l i p Ct , J o h n s o n , ’’ S o m e D e v e l o p m e n t s i n S c i e n c e a c h i n g a n d T e s t i n g , ” S c h o o l S c i e n c e a n d ' a t h cm a t i e 3 , rD d : l T l , M a r c h , l o T 0 . 2 in the program E ducation In rrade the section sor< "Freshman of 1950 m eeting the sch ools, general judgment of of course course. teachers and study the to of exam ine oosaesaion students school and the and of is rep laced change S cien ce. the by follo w s nin th a the 'O'-Lil'; o^oblem . It is the if they inform ation ore-n in th v ariation s ru ra l, p revailin g w ith in the grade the and tw een m em bership a cq u isitio n in purpose ex ist, by of th is betw een n in th school is in of any acq u isitio n horn? or grade and out-of­ rela tio n sh ip s of background, city social scien ce va ria tio n s environm ent and Infor­ econom ic as w ell In as con d ition s s t u d e n t s 1 hom es. betw een a cq u isitio n An a t t e m p t id en tify and pener^l rela tio n sh ip p ossession to v illa g e, in The made p ossessio n va ria tio n s and T"C scien ce certain of and factors. "etween term s T h is Academy Illin o is, being rela tio n sh ip s, of An a t t e m p t m ation the in P sychology ad m in istrators. I. Statem ent is the State p a rticu la rly scien ce Problem s" Illin o is of made to of scien ce evalu ate ) | - TT C l u b s scien ce d ifferen ces and in sex in form ation the Icouts inform ation . and is rela tio n sh ip and the the exam ined. be - p ossession W hether or not greater in terest scien ce tend m ation than another possess those T h is scien ce of study was acquired made rivin g as they scien ce ninth a d ifferen t form m ade. The d ifferen ce scores thus gained through to the author of o^her them test other and h a v e the by n i n t h be-n unon was as rep eatin g in itia l the T his factors listed in vestigators eq-* a! l y and students. of w ith the scien ce study amount students and of the im plem ented groups'of then of entering fin al p ossession made amount end nrohlem . that the the the is exam ined. at m ade. the to scien ce oossession as w e l l design and an e s t i m a t e o^ in f'n m st ion test betw een is students T his same o r school and t h e course n in th of a ffectin g by is study. consid er made con sid eration f actors of the provides awqre to about in for­ in terest a m o ’i n t grade scien ce a general L lm itation s the possessed the th is and b o o k s scien ce such inform ation course. the in n in th the entered little designed general during by the books a c q u ir e more between scien ce inform ation ninth and explored to who r e p o r t m a r k e d l y scien ce who r e p o r t prior acq u isitio n students read in g relation sh ip in stru ction the in relation sh ip The and to those t e 3t inform ation w ill be above. m ight reason able nin th The have in acq u isition lim ited chosen su sp ectin g of scien ce h The m e a s u r i n g a second enables item s th is the lim ita tio n . or on aids the a O nly student ob jectives cation teachers that Used and lest is the Urouos composed study im poses inform ation w hich respond s u c c e s s f u ll y to the p T e s t^ w i l l be in c lu d e d Science author req uire develop ed scien ce and In of th is S tu d ied ," of concedes t h a t many claim ed other is means described th esis it may in of by general of Id en tifi­ the correct anolv response scien ce noted of the hin ges such as textbooks >~reater d etail " M aterials here m ultip le design Inform ation in en titled be seven ty-five general that choice item s is and item s. is on h i s th is such ab ility custom arily d iscussed in cla sses. The Read way3 to Head l e s t underlying a student’s reca ll Test a study predom inant su fficien tly of resu lts becomes o r t i c u l a r l y o r the pattern is York: w ould th is scien ce accom plishm ents portion The p a t t e r n that in and m e a s u r e m e n t . A lthough under an d The used that to Head G e n e r a l investin-ation. scien ce to Instrum ent type underl?/in. Student s T h is term home cond itions meaniner 3. is to used Students on the members of the 3+ i d e n t s hooks who the d escrib ed w ith for durinr low in d icated the s o c i e l - e c onor r i c also but w ith :' l ” exp erien ce. form least they the pest they oast two Students that one read two in had or or more three had been scien ce than three read!n,r~ read they who year. 1 n r e ad i n r had in tere st that the at orroosinR; above. in terest that b ack g r o v m d s . w ith i r ^orciat i o n h 1 mh w ith durlnp in ) | . - TT Cl u b -H C l u b s scien ce books students personal Students "o o o r e s t " h o m c conn ection in d icated S t u d e n t 3 who scien ce the Student s w ith about h. in of those ren lied )).. from less four years. sc 1en ee than years. books. books. two 10 6. hacker the Students unds. lest la st five five c o ’T' i n r ted years the Id en tified they for I. 6t h , may he been students at and he thronm the scien ce classes wo'. He be sixth cla sses A_ r e v l e w o f th n dat a . ner o f the The the two were If the o r more as of eith er the Students Boy w’^ o ner wee k t h r o u r h rather classes awkward exarn le. three throurrh the hsvinr hod a total through the 6t h , used, in the in t he a student a week seventh, through t e rm s e " rm e s s i o n If days a week as week cl asses T h is none days sym bols between A ttenuat io n . two tests the and eirh th o ° eicfht 7th , and 6th sta tistica l parentheses erode me grades, an alysis used for Th e red uction associated w ith of the the correlation u n relia b ility of the t ests. 2, P i s e r i al C o ef °i clent: tio n between in d ica­ or f-irl ab b reviation s. 1. ho me soent id en tified exn erlen ce. follow in g scien ce id en tified had category. between Scout ftr a d e s . yrade, f ive they or rtx ed back around. 3Ci e n c e from had c ity , ye^r. o f )th that in d icatin g w ith one number th.°t so borne least ^th, divided b e e n members in^ernreted reported scien ce had had Totall the he in Students that Scouts Indicated a m ixed V. v ll1are, who the from ru ral. Students years categories wl t h two v a r i a b l e s of one C prrel at Ion . o*' w h i c h , for The correla­ calcu la tio n 11 nuruoses, 3. has been Bi a e r ia l C oses. The ca lcu la tio n and only are consid ered . the 9. nronort ion of a coefficien t sicn of trie w ith v a riation s w ith been be variab les reduced in on to these A1 t e n a t i o n . in to one o f w hich, two categories two a scale expected rem aining; f r o m Wi.de s o r e a d categories below w hich the sp eci­ fa ll. An e s t i m a t e snv prcd i c t ion of t'^e based on of of one factor a related of in A q u an titative C orrelation . to vary factor. attrib u tab le The p r o p o r t i o n d istrib u tion to a second concurrently (r) De t,erm i n a t i o n . the exores- of one factor of variab le that is correlated it. 3. Coef f i c i e n t co rrela tio n other in varian ce t h a t may be of tendency Co e f .fi c l e n t total two (rh i) o r correlat*on. Co e r f i c l e n t the has may chance 6. 7. C orrel at ion A value cases Co e f f i c i e n t C 9te<-ories. m easurem ents C en tlle. number o f two between ourooses, extrem e li. to Coe f f i c I e n t co rrela tio n tor fied reduced betw een variab les 9. a dependent actinp; betw een (Eta) variab le sim ultan eou sly. C orrelatlon correlation related . o f Mnl M . n l e C o r r e l a t i o n . Rat i o . two v a r i a b l e s and dcmree or more (R) An e s t i m a t e w^ich two The ^ay of the deyree not be lin early of of 12 10. Exnl ain ed d eviation from a variab le th eir obtained • til2JLH* 12. ^he Medl a n . scores above 1 3» Var 1 a n c e . by are by equation: ^TT lh . V 2tt of v a ria b les. 'T’h i s th eir of the resoective 13. a mroun. R an me . T h is m eans. A rcumh based of of scores is calcu la tio n in the independent 11. of yield on a set the RednessIon variab le. the that scores, of (led ) o f m easurem ents can be of described Oorrel a t l o n . between is based two on the d istrib u tion s from of the w ithin variation differen ce between A constant o f nred^eted a sum e q u a l variab le. two estim ate C o efficien t. w ill of (r) Rerre s s ion variab le of c o r r e l at io n 16. mean values the a d istrib u tion Cos f f i c l e n t scores. the h alf cf (;') of a curve end l o w e s t tc gverp^e, A d istrib u tion high est added square e correlated one form derree method the the estim ated a scale P r o d u c t -1 o r ie n t An e s t i m a t e of 2 2 5 ^ 6 Pe a r s o n d eviation s on the of exactly w ill N " use D 1strib u tion . when c l o t t e d , the the The n o i n t w hich, vglue own m e a n o f arith m etical w hich Normal 'T’h c tc the value values mean o f o^ the that when a denendent a correlated ( h x „r) Equgt i o n . An e s t i m a t i n g equation based 13 or the the correlation fu n ction al Id. of the m iddle 20. S t and a r d total 21. that S t and a r d squared true valu es. St^ndard the mean 23. of not d eviate the One scores. The Ar two d escrib es v ariab les. of the rsn^e ( square estim ate and w h i c h h alf o f m easurem ents Error root from of of the th eir the measurement o o E stim ate. of Score. the total of the mean. decree is mean of ( SD) of ap p licab le the from to true it w ill bo reduced both to two of w ill w hich a rb itra rily that the that arrived must an o b s e r v e d w ith in the gen erally sig n ifica n t or be value total understood in sig n ifica n t techn iqu e. C orrelat io n . of be score (z) assurance value judped wt - r a t i o " Tetrachor1c two v a r i a b l e s by the qu antity the divided An o r the th eir d istrib u tio n p rob ab ility study from a raw d istrib u tion . th is to valu es root betw een decree the square d ev iation S icnl f lc a n c e . of ^he estim ated The In according been toe an o b s e r v e d regarding; cop u lation . 2hm of Error. 0 1 a 1 1 s t i c a.l m aintained a betw een Devi at i o n . d eviation un derstand in p that h alf d eviation s 22. standard w ill varia b les cop u lation . an at one d ev ia tio n s n■ ”o b ab i 1 i t y and relation sh ip S t and a r d squared the two S e m i-in te r g u e r t11e Ranpe. 19. the betw een for categories. The co rrela tio n ca lcu la tio n ( r | ef) betw een purposes have I k ^5* T -ratto. standard error. 26. would w ith if a mean 27. An y r a w it of 5>0 e n d varian ce an d V ariance. m easurem ents a quantity and its of converted a sim ilar a standard V ariance. the a variab le in d eviation The exn lain ed The mean rank to the value it a d istrib u tio n of 10. d ifferen ce betw een the varian ce. square from of th eir the d eviation s of the mean. PRC Z' VI7.ATI0TI O'*' TVF RT1'ATMD3R OF TV F T T -Th.3TS T I. There Chapter betw een score occunied V n erolaln ed 2-3. ratio (t) T -Score. have total The are four chanters rem aining IT p r e s e n t s a review of to the subject in section s m atter roughly of th is the in th is th esis. litera tu re related th esis. com parable to the The review phases of is organized th is total study. Chapter personal study. from and The along tation . of data w ith organ ization data form a d escrip tion used ch aracteristics these Chapter the in clu d es inform ation whom chapter III IV, the were the of P a sicelly , the gathered groups are used section and b r i e f the rather the the of test data the for th is students discu ssed in and in th is co llectio n data. m ajor study of p ractices the the to of study Is of guides the to ^ocused th esis, th eir on the presents in terp re­ id en tifica tio n 13' *“7 of concom ltflnce m ates the of the members f'lao show scores decree of fsotors and of concom itance. w hich th is d iffer sta tistica lly on the concom itance d iffer of and the th is that a b ility d eterm ination some is to in resoond two to as the the item s to e s ti­ mroups, factor, i n mean evid en ce w hich of some d ifferen ces used factor If respect sig n ifica n t Read T e s t , betw een in the two on of w cnos the Resd T est. Decrees of correlation are in teroreted as decrees of coneom it ance. In w ith are a n ticip a tio n varyin g reported d eviation s are also betw een of th is decrees of exoerien ce both term s and In in term s reported, in d ivid u al The in p erp retation s based to mroups d ifferen ces beinp: S ection croups raw bein^ w ith author in id en tifies on raw betw een scores the u n its. of any would standard readers scores standard in mean term s by data, and score a p p licab le, end read such scores d eviation T -scores f*ain p o s s i b l e . due of of where th esis C ains d ifferen ces per cent Instances of where be m i s l e a d i n g d eviation s of the compared. I of di f f e r in g Chanter in IV r e p o r t s respect, to ' F l o r e n c e L. C' o d e n o u r h , P r i n c i p l e s , and A o n l i c a t i o n s , 19R 9 J / p p . beinm the data taum ht or obtained not K e n t a l r' e s t i n c , I t s (New Y o r k : R inehart from being story , and C o . , 16 taught general S ection differing; II in and of in in estim ate the in terest in scien ce in respect- m em bership These As of read in g data ob tain ed in from groups associated from Scout w ith to betw een groups organ ization s a typ ical attem p tin g several the in provide concom itance w ith illu stra tio n parcel out the two factors actin g an attem pt to others. data fathered betw een scien ce books in students' degrees and p ossession th eir of in form ation . VI ^enorts to scien ce data in the final through o^ th i° C hanter V. w hich, study from data home are T h is the the th is of toward also o^ the the d iffer­ chapter, amounts sum m arized, m ind groups factors. seventh, chapter data proceeded of varyin g sixth , study from background w ith the In drawn section associated extended th is the certain V II, gen eralizatio n s relia b ly data in volved d ifferen ces section , to rela tio n sh ip S ection The obtain ed d ifferen ces the respect in the IV r e n o r t s V cites S ection tion data degree Section the the grade. sex. sim u ltan eou sly ing consid ers problem s ex clu siv e of nin th con sid ers lj.-H C l u b s . the the III S ection d ifferin g in in tellig en ce. S ection d ifferen ces scien ce and of reports in stru c­ eigh th section in clu d es author, grades. by those ma y be study. com p letion, certain 17 q u estion s th is VI, arose w hich in v estig a tio n . may w e l l in d icate were These beyond the im m ediate scope q u estion s, d iscu ssed in top ics for future stu d ies. of Chapter CHAPTER I I EnriVlGiJS ii.LijEiir.Ch K h L A i E L The involve to the under 1. reports 2. in v estig a tio n s q u estion s the explored follow in g E ffect achievem ent of of in already th is com pleted study w ill w hich be referred headin gs: p reviou s subsequent C orrelation s in xU T' E STUDY in stru ction scien ce between In scien ce upon courses. achievem ent in scien ce and in tellig en ce• S. in D ilT eren ces scien ce clu b s, 4. order problem of scien ce course be to made stu d ies of the the in the but such inform ation course, the general scien ce the gain degree sp ecia lized of or scien ce associated w ith clo sely in and p ersp ective the as the d u p lication textbooks w it h m em bership the students. nin th program, q u estion s taught of achievem ent school less associated and b c o u t s . a d d ition al sig n ifica n ce other Involve In backgrounds to achievem en t C lubs, D ifferen ces social-econ om ic In 4-H in the betw een courses, and the w hole general reference stu d ies. degree n in th of grade b rief related of grade content general of These reten tion general in scien ce series scien ce d ifferen ces w ill in ol and 19 achievem ent ences the in in the decree of achievem ent of used to f’ s t h ^ r data two of Kansas C ity, the scien ce Form second M issou ri by n in th on ^ono A o-iven yroup item s to E of in the d iffer­ students w hich h i-h er on in Test betw een the and o r students yro u p crade general G eneral in test riven no '*r: n e r a l B than of the The S cien ce himh the scien ce the spriny was general h* m'>‘h e r than year. tnurrht o n p o r m A. schools taught school There nest croups 1 2 .U. P o i n t s in upon scien ce two w ' .1 e h w a s scored scien ce The scored were test. connection Scien ce subsequent bem inniny on Form th is general Pueh-Pooenoe^ The the the in d u r i n t z ; ‘' 9 2 h - 2 9 . through the in ^roups Id. 1 .3 p o i n t s In on the same m e d i a n (m edian) 119 w ith disp layed In str u c t ion students Cramer on associated in terest o f p reviou s courses. had scien ce course. E pf e c t the general w ith S c al o s , scores o^ the stan d ard ization I)vornk3 e x p l o r e d students w ith of the d ifferen t h is G eneral d ifferen ces amounts of — - - - ■■ , W. F . C r a m e r , ” A. S t u d y o f S o m e A c h i e v e m e n t s o f P u p i l s i n th e S p e c i a l S c i e n c e s , n S c i e n c e E d u c a t i o n , liiSoOP— I -7, M a r c h , 1 ° 3 0 ‘. p " G i l e s v . P u c h and H e r b e r t E. Gcneral. S c i e n c e T e s t , (New Y o r k : T>c o e n o e , R u c h - P o o e n o e k'orld Book C o . , 1 9 2 3 ) . 3 A u r u s t A. D v o r a k , ” A S t n d v o r A c h i c v e m - c n t a n d S u b i e c t F a tte r in General S cien ce, G e n e r a 1 S c i e n c e l u* r t e r l y , 10:239-310, 367-39-6, lih.■S,-*L'7Ji , ’or:’2, ' • : o v m : b e r 7 1925 t h r o u g h May, 1 9 2 6 . 20 prior scien ce in stru ction . T able I. total The and D v o r a k ^ore than states 3.2 differen ce is rmore that resu lts p ossib le on a d ifference in d icates not H is w ith a resu lt these summarized tests was between m edians practical of are chance certain ty 3D0 of that d istrib u tio n s in in the two serie s . These for students as w e l l b is data as to o r D 'orakhs acquire through in terp retation science form al is s^ow that there inform ation in struction in is a tendency throuoh m a tu r ity science cla sses, that: . . . t h e d e c i d e d s u p e r i o r i t y o f a c h i e v e m e n t on t h e n a r t o f o u o i l s w>>o h a d n o t t a k e n G e n e r a l S c i e n c e a n d hav e r ea ch ed th e 1 2 th ^ rad e, over the r e s p e c t i v e m edians o f t h e i r 3 t h t r a d e s h a s a t l e a s t two e x p l a n a t i o n s . ( l ) S c i e n c e s o t h e r t h a n G e n e r a l S c i e n c e t a k e n by t h e o u p il have accounted fo r t h i s ^rowth. ( 2 )E lim .ination o f t h e l e s s c a p a b l e p u p i l s rr.imht a c c o u n t f o r a p p a r e n t crowth. The l e t t e r e x p l a n a t i o n , h o w e v e r , i s s u b j e c t t o t w o c r i t i c ! s m s - - ( a) T h e c o r r e l a t i o n b e t w e e n s c o r e s e n d tim e o f d o in r th e t e s t , which u s u a l l y has a n o s i t i v e c o r r e l a t i o n w it h i n t e l l i g e n c e t e s t s c o r e s , was p r a c t i ­ c a l l y z e r o , and ( b ) l i k e w i s e t h e c o r r e l a t i o n b e t w e e n c h r o n o l o g i c a l a e and s c o r e s w a s n e a r z e r o . Both t h e s e c o r r e l a t i o n s s'^ow t h a t t h e l e s s c a p a b l e p u p i l s w e r e i n t h e g r o u p s t a k i n g t h e t e s t , a t l e a s t i n some number s • In the data ad d ition to o ° Dvorak con clu sion s 6. Science are the inferences already cited , p articu larly w h i c h ma y b e the follow in g drawn from of his sign ifican t: The a n n u a l i n c r e a s e i n a c h i e v e m e n t In G e n e r a l due t o t e a c h i n g a s m e a s u r e d by t h e G e n e r a l ^ I b i d . . p T Il7! u 21 TABLE I THE 5>0TH PERCENTI LE SCORE ES T A r L I S F E L AFC NO c a s e s f o r d i f : t -.r :*:n t ^ o ? s o n D v o r a k * s OE FERAL SCIENC.-. TEST Oronn 3th grade 9 t h g r ade 10th grade 11th grade 1 2th grade 3th grade 9th grade 10th grade 11th grade 12th grade (Adapted W ith n r i o r i n s t r u c t Ion in O eneral _____S c.'^enge ^ girl s girl s girl s girl 3 girl s boys boy s boys bo;/3 boy 3 Cr on A u g u s t . A. W ithout P r io r In str u c tio n in Ceneral Science llli 126 135 150 162 127 135 150 172 190 131 150 157 153 175 155 162 163 13 i 190 Dvorak, Ib id . , p. 6f)$3 U 65.) 22 S c i e n c e S e e "1 e , 1 s s m a l l , n a i v e l y . 3 3 9 P . E . o r 9 . 3 9 s c a le p o i n t s . . . . 7. There i s a wide v a r i a t i o n o r' a c h i e v e m e n t i n O e n e r a l S c i e n c e am o n e d i f f e r e n t schools. 3. ^he d i f f e r e n c e i n t e s t p o i n t s b e tw e e n m e d i a n g r o p e s o f t h e 3 t h ^ r a d e m i r i l s who h a v e a n d who have not had O eneral S c ie n c e , i s equal to the d i f f e r ­ ence between the median sco res o f the 9 th grade p u n lls who h a v e n o t h a d O e n e r a l S c i e n c e . This in d ic a te s th a t 3 t h i ^ r a d e p u n i l s n r o f i t a p n r o x i m a t e l y a s ^ u c h byi n s t r u c t i o n i n O e n e r a l S c i e n c e a s do th rrade punils. . . • 13* P e r f o r m a n c e on t h e O e n e r a l S c i e n c e S c a l e shows f o r e a c h se x a d e f i n i t e , d i r e c t r e l a t i o n s h i p t o th e number o f s c ie n c e c o u rs e s th e r u p i l h a s t a k e n . I k . Any t w o o f t h e f i v e g r a d e s s t u d i e d s h o w c o n s i d e r ­ a b l e o v e r ’l a p o i n ^ o f a c h i e v e m e n t , e v e n i n t h e c a s e o f 3 t h e n d l ? t h <~r ade p u p i l s . " " A final conclusion reached by Dvorak is significant. The O e n e r a l S c i e n c e t e s t r i v e n b e f o r e t h e s t u d y o f a s u b j e c t , rra v e a c o r r e l a t i o n o f . 6 2 b e t w e e n t e s t s c o r e s and s c h o o l m a rk s f o r t h e f i r s t two q u a r t e r s . This w o !l d s e e m t o i n d i c a t e t h a t t h e a m o u n t t h a t p u o i l s knew o f a s u b j e c t b e r o r e s t u d y i n g i t , i s an i m o o r t e n t f a c t o r i n c o n d 1: t i o n i n - t h e a c h i e v e m e n t w h i c h t h e y w i l l r e c e i v e i n t h e s u b j e c t w h e n +h e y s t u d ^ i t , i f s c h o o l mmrks a r e any m e a s u r e o p a c h i e v e m e n t . 7 W ilier c o n d u c t e d a s t u d y i n wh* c h h e d e s i g n e d a t e s t of the There The free-response were 909 1*0 n i n t h 1 t'J , item s 1 67 , were m n h tyre and 1 no c u s e d general ’ on science 9 l h l d ., ^o. 9 3 ° - IkO. 6lb ld . , 9 3 3 - 9 3k . up. orr, ° n ’ zed terns in in concepts courses three the three chosen of sect ions. es s t u d -”-. sections. c o mmo n The test ^ h i a r l A. K i l l e r , " S c i e n c e C o n c e r t s Ac j u i m e d b y J u n i o r T-* r h S c h o o l P e r i l s P r e v i o u s t o E n t e r i n g a C o u r s e i n f e n e r a l Scl ',ce, ( u n p u b l i s h e d M a s t e r ’ s t h e s i s , 'h - i v e r u i t y o f lo w s, Iowa C i t y , Iow a, 19 3 1 )* 19k r r . 23 was ^iven year. to eighth, ^rsrie p u p i l s These p u n ils 23 c o m m u n i t i e s oirht and h a d elem entary n i m i l a on were en rolled been rr°des, section s one at the in tnuc-ht 23 no two and of schools scien ce He o b t a i n e d and close school located through scores 39-7 the in the from 901 scopes on section three. K iller were able ing to further to subject low est ( 3)Anim al fam ilia rity w ith concents arranged croups a n d wu e l , Sun, (°)H echlnes S oil, in the the in follow ­ of h igh est and (2)W ater, Harth, ( 9 ) Ho a t . , and C l i m a t e , Work, (lO )K etric and H Iectricity , ( 1 2 )K afnetism and the order (7)W eather for P cin r ( lli.)L iyht students Human B o d y , P lan ets, ( 6)K atter, Atm osnhere, and and (h)3ters, fife , (l3)3ock s its R elation to System , P lsn t L ife, ( 1 3 )Energy. does The r a n k i n g m eth o d used not com nerison w ith ^ is data, ner cent of untrained m atter L i^e, (ll)H arth , s end that a b i l i t y - - ( 1 ) Pood C om bustion, (S)P lant show concluded the values lend therefor, of are of were mrouns presented data the reworked correct of in show b u t estab lish ed estim ate to nossiblc fifteen These order itself by K i l l e r T able in q u an titative h is findin-*s stu d ies. determ ining received three the from tests. each These II. sligh t by K i l l e r the reuort related toward "es^onsos item s to and, d i ’a g r e e m e n t in ad d ition , rel a tio n sh ip s w ith the provide a ro n ^ the rank an decrees 2k TABLE I I A PORTION 0 T -' MILLER »S DATA RECALCULATED TO SHOW PER C E ' T OF P O S S I B L E CORRECT ANSWERS TO FIFTEEN ORO rPS 0 ^ ITT? S ^ of p ossib le co r r e c t answers Oroup F ood and t h e b o d y A nim al l i f e Water B e a t , com b u s t i o n , S t a r s , s u n , r >1 a n e t We a t h e r and d i m a t E a c h in e s ror doIn" l e t r i c system Katter E a r t h 1s atm osphere P I a n t 1 i he E o s n e t i s m and e l e c L i"ht R o c k s and s o i l Energy (Adapted from E a r l fuel s , etc. 0 work tricity F iller, Number* o f Ite m s In "roup 33.2 1 32 3 1.0 2 3 k ko 23.1 22. 3 21 .3 I d 2 13.3 13.9 13.3 13.1 12.3 11.3 11 Ji 11. 3 6. 6 A. Rank 6 7 .) 9 10 11 12 13 1U 13 I b i d .. p u , J | . 3 - 5 l . ) 31 59 60 26 -> 9 3 27 kl hi 39 33 30 21 25 to w' i c h u n train ed fam iliar w ith scien ce. It the general of p ossib le from and the the 9 further area of the correct scien ce noted life branches that scien ces area of ed the natural item s a oer whereas 1 7 .0 may be of 113 showed 25.9 avers students the oer from cent 163 cent item s correct s c ie n c e item s averaged 1 6 .2 per c e n t. 3 Ashbaugh ra v e t h e Powers G en eral S c ie n c e but one other ou tsid e of Columbus through the item s. The m e d ia n eigh th was sig n ifica n t city w hich score had of Powers it according had test than was to not the for of the from C olunbus high er students in come scien ce the in a veer w h ile having no early were m atched oair The 6 p oin ts d ifference p air sch ools student in students each grade. out-of-C olum bus of each in Ohio the th is in student Colum bus, A lthough oairs students a-rade w i t h the ^rade variou s resD onses 1 2 li m a t c h e d The the the be 1931 T ade. in in irsy earth to gence concepts ninth 233 p h y s ic a l In ^est b egin n in g in te lli­ scien ce eigh th sch ools been taught con sists students t he m ed ia n a n in th of was 100 3 9 .1 . score of sta tistica lly Ashbaugh*s in terp re­ tation . ■— or f t II. ’T o t , ” ■ ■■ — J . Ashbaunh, Science Educat io n , ffn- e n e r a l O c ’ e n c e i n t h e E i g h t h 1 6 : 2 ) i - 2 3 , O c t o b e r , l c- 3 1 . Grade 9 $ . R. p o w e r s , P o w e r s 0 e n e r s l S c i e n c e T e s t , (New Y o r k : b u r e a u o f P u b l i c a t i o n s , T e a c h e r s C o l l e g e , Coliar.bia U n i v e r s i t y , li 27). 26 In Scien ce 50 ad d ition Test A s h b a u c h . crave to the same m u ltiole-ch oice score of the ooin t low er and Columbus than the the p u p ils. 65 R” c h - P o p e n o e T h is com pletion students m edian on score con sists item s. th is of test of The m e d i a n test the General was 0 .7 of a out-of-C olum bus students. As a resu lt of h is study Ashbaugh observes that: In v ie w o f t h e s e f i n d i n g s a number o f q u e s t i o n s n a y be l e g i t i m a t e l y r a i s e d . F ir s t , does the t e s t m easure kn ow led ge o f s i g n i f i c a n t s c i e n c e m a t e r i a l w hich ch ild ren ought to learn? S e c o n d , s h o u l d we e x p e c t c h i l d r e n t o l e a r n t h i s m a t e r i a l more e f f e c t i v e l y in a cou rse in m enersl s c ie n c e than in c o u r ses in ^eo^raphy, p h y s i o l o g y , and h y g i e n e ? T h ir d , was th e in fo r m a tio n unon w h ich one croup e x c e l l e d th e o th ^ r le a r n e d i n t h e i r s c h o o l work or o u t s i d e in t h e i r c o n t a c t s w it h life? F o u rth , are th ere d e s ir a b le a t t i t u d e s , h a b it s , and t h e l i k e s e c u r e d i n a c o u r s e i n g e n e r a l s c i e n c e w hich are n ot secu red in o th e r c o u r ses? I f 3 0 , what a r e t h e y , and w h a t I s t h e e v i d e n c e t h a t t h e y h a v e •been a t t a i n e d i n " -e n o r sl s c i e n c e w c rx ? F i f t h , what i s t h e v a l u e o f a t t i t u d e s i f t h e y do n o t b e a r f r u i t In a d d i t i o n a l k n o w led g e? S i x t h , i s i t s a f e to assume t h a t t h e s e h a b i t s and a t t i t u d e s a r e s e c u r e d i n t h e rreneral s c i e n c e c o u r s e s w it h o u t o b j e c t i v e m easurem e n t to prove t h e ir e x i s t e n c e . ^ Howard^ grade 50 The ruoils in in com n letion, test was 1 9 31 conducted w hich he 25 tru e-fa lse, comnosed sbbaumh , used o£_. from, the c it . , o. a study a 100 and Item w ith test I4.OO s e v e n t h composed 25 m u l t i p l e - c h o i c e exp erien ces of several of item s. gener*-! 27. " ^ L e s t e r R . H o w a r d , "A S t u d y o f t h e I n i t i a l S t a t u s Im provem ent i n th e G eneral S c ie n c e K now ledge o f S e v e n th Grade P u n i l s , ” ( u n p u b l i s h e d F a s t e r ' s t h e s i s , H n i v e r s i t y C o l o r a d o , B o u l d e r , C o l o r a d o , 1 ° 3 2 ) , r?2 p v » a nd of 27 scien ce and cl esses. at the end m aking in itia l m edian score betw een that same the course. Howard scores ran^inp betw een of fallin m and 27 The 99 at w ith 32.07 The used at the begin n in g found fis students 3 59 w i t h b ein r m edian. oos3ible it was the from area of life item s and per ^3.9 o^vsical correct cent 3 c l 0 r.ee resoonses ^inal of on the "or^ect item s the resnonses on the revealed ini^ia"! and on the 23.6 per oe^ to cent test The cent show showed in itia l test. the rnnoed science final '7 5 . 2 scores the data 50 and fin al vowsrd’ s cent LiO correct correct on the test. The T hird Iowa A cadem ic Scien ce for 1 9 31 w a s ment 300 ninth of in stru ctio n in taught the A. t - r a t i o ence. The In mrade of of test scien ce was 31 • 9 in d icates ’u s e d connection Hack students through rroun 9.52 by E v e r ; . 7- P u n 11 2 l4.li- s i m i l a r scien ce form er used general achievem ent were of 33*9* was B 77 r e w o r k i n g h 0 .5 oer the form had w ith who h a d and for determ ining except grade. the of no vrade The of ach ieve­ that la tter score the the n in th r e l i s b i l It;/ a m ssib le O -neral received the students ninth in cohere through the tee 17 "" t o Test w ith the;/ mean score nr out > l . j . 1 . 9 . th is d iffer­ liiO . orsctical scien tific -^ W a lt e r Hack, ” A S^udy o f I n c i d e n t a l L e a r n in g 1 in lo n e r e l S c i e n c e , ” ( n n n c b l’ sh'd E a s t e r ’ s t h e s i s , H n iv e r s ity o f Iow ^, Iowa C i t y , I o w a , l v 3 2 ) , hOnn. 28 know ledge found that scien ce of a me o n d escrib es ob jective type item s that used the N'at t e s o n ^ type read ily the was availab le In were broader desi"ned that a b t l i t 77 b e i n g textbooks. of defined th is made a mean score 101. 7* of able environm ental to cover being for and found the all discussed most the in flu en ce such to answer of nature through of the free the m a t e r ia ls school p u p ils, elem entary nart, q u estion s in q u estion s of item s in 32 phenomena* designed elem en tary and 22 the u estion s be q u estion s, q u estion s, elim in ate 199 test 156 m u ltip le q u estion s w^uld of ii-6 b i o l o g y of as avoided, concents Li 6 a test to -en erd on w h ich knovrledge, ch ild ren 13 a test in clu d in g To in Scheuss on chem istry own o b s e r v a t i o n s train in g 2lq p h y s i o l o g y nature. were ch ild ren con sistin g q u estion s, scien tific q u estion s 110 as techn ical most of train in g 16 city erior test q u estion s, response and w ith score such a m iscellean ou s t-eir rural th is agricu ltu ral physics by ch ild ren w ithout resronse 25 1 51 made ch ild ren She possessed av a ilscien ce tech n ical used deal elem entary w ith and ^ a b ( 1 S c h s u s s , "A C o m p a r a t i v e S t u d y o '0 P r a c t i c a l S c i e n t i f i c K n o w l e d g e P o s s e s s e d b y P r a l anH C i t y C h i l d r e n , " ( u n o u b l i i h e d ¥. a s t e r 1 s t h e s i s , I n c 1 a n a S t a t e T e a c h e r s C o l l e g e , T e r r e H a u t e , I n d i a n a , l f;3 6 ) , 6 6 ^ o . • ^ H a r v e y D. K a t t e s o n , " C o n e o t s o f S c i e n c e P o s s e s s e d by P u n i l s E n t e r i n g S e v e n t h C r a d e , " ( u n p u b l i s h e d M a s t e r ’ s t h e s i s , S t a t e U n i v e r s i t y o f Io w a , Iowa C i t y , Io w a , 1 ; 3 ° ) , h 7pp. 29 junior 3chool high st ud?; - w a s The test seventh had received ner week the grade any of wa3 r i v e n rrade of tim e that scien ce no at the time the 3y s t e m of in as in w hich about -rades two was ^iven entered the seventh teachin g discu ssed is of entered the students forty-five test form al ^hey to the t h r o -: * h s i x . 253 seventh grade in subject, in cid en tal m inutes to the three and teachin g subject. resoonses to same they d ivision s Some related use in students in stru ction m aterial other The correct had 31f> two o e r i o d s the as to a school u su ally students some in scien ce same schools currently done. the At texts of K stteson’ s of his of ia tteso n 's th is study groups test are con clu sion s s and t h e own i n that are oer cents T able III. of p a rticu larly read: 1 . There i s l i t t l e d i f f e r e n c e betw een the s c o r e s o f t h e r u o i l s w^ o w e r e t a u g h t c o u r s e s i n g e n e r a l s c i e n c e i n t h e e l e m e n t a r y r - r a d e s a n d t h o s e wh o w e r e not. 2 . T h er e i s v e r y l i t t l e main i n any o f th e su b je ct m a tter t o n ic s because o f the te a c h in g o f th a t oarticu lar to o ic. . . . 6 . ^he t o t a l a v e r a g e r a i n shown i'rom t e a c h i n g g e n e r a l s c i e n c e i n t h e e l e m e n t a r y s c h o o l s w a s I4. . I o e r c e n t . . . . 0 . T h e a v e r a g e o e r c e n t o f c o r r e c t r e s o o n s e s f o r th e e n t i r e t e ^ t was 1 7 . 3 » -t f o r o f sky used the 3 r up 1 1 s e n r o l l i n g i n t h e n i n t h 1 ^I b i d . o'o . 3 3 - 3' ; . ^ ^ A r n o l d J . B o r o f s k y , 1,T?o c t o r c A s s o c i a t e d w i t h ^ u ^ i l s Whose A c h i e v e m e n t i n T r a d e N i n e S c i e n c e L i f f e r s O r e a t l y from t h a t I n d i c a t e d by T h e i r L e v e l o^ I n t e l l i g e n c e , ” ( u n o u b l i s h e d F a s t e r ’ s t h e s i s , T! o s t o n ’Tn i \ ' e r s i t y , B o s t o n , M a ssa ch u setts, U tah), 230pp. 30 TABLE I I I SHKFARY 0 V A PORTION OF V A T T E 9 0 N ’ ' DATA D ivision 1 . A ir and w ater 2. U n iv e r se 3. H e a t T rsined (Adapted from ^ a r v e y Combined 29. 6 2 2 ji 2 I.| . 1 28.9 26.1 19. 3 19.3 " a -n r t isn 3 K ' 23.1 16.9 27. 2 21. 0 Lierht E l e c t r i c 1 1 y an d 6. F o o d s and h e a l t h W e a t h e r and c l i m a t e 3 . R o c k s and s o i l s 9. Chem ical r e a c t i o n s 1 0 . P l a n t and a n i m a l l i f e 1 1 . Mature study k. 9. :Tn t r a i n e d D. 1 1 .2 1 3 Ji 2 1 .h 20 . 6 k •9 l i .1 39. 2 t 16. 6 10. 1 a. 2 C/h • i:> 3.9 7.6 29. 3 10.6 M atteson, 19. 2 1 2 . 0 19. 7 10.1 ojc. c l t .. n . o✓• 30. a 1|7. ) 31 prade general three years On t h e these on betw een b asis of p u n ils placed in scien ce five Prom th is ^rouninp two other p"! a c e d ment cases were then he an hiph h is on r' h e s e the or hirher and the to apparent Test, basis he of low er 19 proup. were th eir scores test. achievem ent n c- r a t S cien ce P ru itt T estis to 13 the betw een pave ach ieve- both p u n ils in ^oras eleven 210. l ^ d a r e n c e M. P r u i t t , " O b j e c t i v e M e a s u r e m e n t i n O ^ e r a l S c i e n c e , ” Genera 1 S c ie n c e Q u a r t e r ly , 17:917-921', K ey, 1 9 2 3 .. R. Powers, op. cl t . 32 selected the school scores -.47 =fc he .0 5 obtain ed and H echt^^ d esign w ith to 1931, p u p ils the on a series test as mean for the Howard*^ 100 as m e a s u r e d to was found item by the concerned. The im provem ent scores scien ce, between of his own a correlation correlation the .03; only used the in on were lor it scien ce the far as found to a ll boys .51, based out in part as p u p ils, boys .4 2, ^ H.L. .06. 6 3.16. achievem ent and i n t e l l i g e n c e In telligen ce in itia l scien ce knowledge between in tellig en ce be rfc .48 Test and .0 2 5 4 . * ^ M i T t d h ' H e c h t . ' P r o g n o s t i c P leasures o f a c h i e v e m e n t N in th -Y ear S cien ce, (u n p u b lish ed d o c t o r ’s u i s s e r t a t i o n , C o r n e l l u n i v e r s i t y , I t h a c a , hew Y o r k , 1 9 4 1 j ^ C a r r o l l A t k i n s o n , "The e f f e c t o f h e x d i f f e r e n c e s the S tu d y o f G eneral S c ie n c e ," Journal o f E d u catio n al h e s e a r c h , 2 4 : 6 1 - 6 6 , June, 1931. 22;Lester n. Howard, op. cit., p. of in tellig en ce only, between test scores and in f.E . was A d vanced Croup so use carried for was type ierm an by A t k i n s o n correlation was the correlation O tis in exp erim en ts ± between tru e-false textbooks values general .044 .364 o~ the girls test range u s i n f; t e s t s in and s c o r e s ±. be st-udv, found of H .b. the to between .56. These .4 6 , on h is tests projects correlation .03. laboratory fo llo w s: and on h i s of the in tellig en ce achievem ent eig h t of g ir ls , ±.. 0 7 ; The in contents in d iv id u a l and atk in son ^ on on He f o u n d dt found m easure part and .37 In tellig en ce In 119 system s. 3 6 . in in In a study In v o lv in g the c o r r e l a t e s o f a b i l i t y in o •> s c i e n c e , B a r i s h J u s e d a t e s t w r i t t e n and a d m i n i s ­ ffenersl tered tv S ch ools. the "D ivision T h is nature study, It was based of scien ce; The 30 on all were W ith Pa r is h found to two stu d ies in w hich test q u estion s The by done found and h is associated the .62 h is of by . 5^9 and M ental d 1 pf c r e n c e s in referred T am a ■'rn i ^ ^ rencral r e ma r d i n ^ A b ility determ ined, and .503 type. ^roup P arish ’b a r d y ^ - betw een studl e s w ith choice experim ental A. . 0 3 . and sem ester m u ltip le thus C ity item s. that P h ilad elp h ia co rrela tio n s r el ated 25 b io lo g y of achievem ent of to P h ilad elp h ia 20 m a t h e m a t ic s of the in tellig en ce f i n d Tnr;s o f achlcvem ent p rior of and a co rrela tio n the essen tials were q 'o tien ts of 25 b i o l o g y , and minimum in tellig en ce they scores contained determ ined T est. Research chem istry, the in tellig en ce members in test of scien ce resp ectively. dl f f erence s sex. Dvorak 2 3w 1'11 1 am B a n i s h , " C o r r e l a t e s o f A b i l i t y in Hcmeral S c ie n c e as R ev ea led in a Survey at t^ e R o o s e v e l t J u n io r H irh S c h o o l o f P h i l a d e l p h i a , " ( u n p u b l i s h e d R a s t e r ’ s t h e s i s , Temple Ur:I v e r s i t y , P h i l a d e l p h i a , P e n n s y l var i a , 1 9 3 7 ) , p p . 2 & 1 3 . ^ J o s e p h P a r d y , "An I n v e s t i g a t i o n o f t h e W r i t t e n E x a m i n ­ a t i o n as a M easure o f A chievem ent w ith P a r t i c u l a r R e fe r e n c e to Ueneral S c ie n c e ," (u n p u b lish ed D o c to r ’ s d i s s e r t a t i o n , U n iv e r s ity o f P e n n sy lv a n ia , P h ila d e ln h ia , P e n n sy lv a n ia , 1923)» c i t e d b y W i l l i a v P a r i s h , oja. c l t . , p . 1 2 . 2 5 J o s e p h T1. T a m a v n i , "A S t u d y o f t h e S c i e n c e S c o n e s in t h e C a n n e m ie E x a m i n a t i o n s o f 1 ° 3 0 and 1 9 3 2 at n e m n l e U n i v e r ­ s i t y , " ( u n p u b l i s h e d M a s t e r ’ s t h e s i s , 1 emple U n i v e r s i t y , P h i l a d e l p h i a , ^ c m s y l v a n l a , l a y , 1.9 3ft-' > c i t e d b y W i l l i a m P arish , op. c i t . , p. 12. 3^4found sig n ifica n t girls in d ifferen ces connection scien ce test. groups, students w ith the the con sisten tly in the eigh th through W herein he cornared the scores of the of lev el, in there favor of h is u n train ed were no eith er scores stan d ard isation was scores T h is betw een h is groups, sig n ifica n t so of w ith the all of by h is grades. w ith p-rade con sisten tly sex. . . . +:he r a n k o r d e r s o f t h e i t e m s f o r t h e u n ­ t a u g h t r - i r l s and t h e u n t a u g h t b o y s w e r e m ore a l ik e th an were th e rank o rd er o f the item s fo r t h e g i r l s b e f o r e and a f t e r t a k i n ~ G e n e r a l S c i e n c e . The nronpted same the and general grouos lev el d ifferen ces boys h is tw elfth train ed ^rade of was found follow in g to be true for ob servation by the boys. ' T h is Dvorak: . . . th a t n ot p a r ts o f General S c ie n c e were more d i f f i c u l t f o r r i r l s t h a n f o r b o y s b u t t h a t r e l a t i v e l y a l 1 o f G e n e r a l S c i e n c e was a s much m ore d i f f i c u l t fo r r i r l s than fo r boys as i s in d ic a t e d by t h e d i f f e r e n c e i n t h e m e d i a n s .' A tkin son*^ betw een in clu d ed d id , the the in did mean her however, ? S Thid show p. . . n. ^ C a rro ll scores study. d istrib u tio n '0 ^ f h I d T ! not find of the The a rreater the sig n ifica n t boys and d istrib u tio n standard scores of the c lt . , n. of who w e r e boys scores d eviation than did g irls. -3 U f on. rrirls the $ 33. A tk in son , d ifferen ces 6h 3S The m edian was of first obtained 33.^0 3 1 . 3 )4 . m edian d ifferen ce whereas b asis per in T able of cent im provem ent was the the score the b asis h o y s ’ m edian sig n ifica n t second where or at the boys a ^ i r l s ’ m edian the m irls* wss 11 " . 2 3 . t-ra tio im provem ent w ith score The level of d ifferen ce scien ce d ivid ed th eir of used o rigin al exam in ation the th is boys students in tellig en ce textbooks, coverin g h is score and he into three expressed obtained groups on im provem ent the data sum m arized IV. A fter 300 test 180 not. as He in itia l I1 6 . 7 6 w h e r e a s Wh e n H o w a r d the b y H o wa r d - ^ 0 r e p o r t e d on t h e On t h e was three, was data and of Sm ith ten composed subject m atter test compare to crirls in six commonly adopted a com pletion predom inating the in achievem ent northern states. gener°l type these in He test textbooks. scien ce concluded: H ate-cial g e n e r a lly o v e r e d in b i o l o g y shows no d i f f e r e n c e s i n m e n e r a l , b u t t h e s u b d i v i s i o n s show slir h t d i^ feren ces. P h y s i o r Tr a n h y m aterial C hem istry m a ter ia l fa v o r o f the boys. shows shows no sex of sex d ifferen ce. sig n ifica n t d ifferen ce in P h y sic s m aterial i s m u c h e a s i e r ro r b o y s t h a n f o r r I r i s , t h e m ed ia n d i f f e r e n c e on s n b t o o i c s r a n r i n r from )4 t o 2 2 p e r c e n t . ^L ester R. Howard, oo. cjyt. , p. yl. 36 TABLE IV SUMMARY OF A PORTION OF HOWARP’ S DATA R .••JOARD I NO DIFFERENCES OF ACHIEVEMENT ASSOCIATED WITH SEX *Ter c e n t of im nrovePer nent o f im provenent r e n t n o sa ib l I n 111 a l score Imnrovement score O irl s Hit?h I Q M i d d l e IQ Low I Q Total 3 5 . 60 31.90 2 6 . >1.5 3 1 . 3>| 5 2 . 60 5 6.33 30.00 5 6.76 1 57.75 111 7 . 1 2 11 3.5-0 15 '7. 50 26.5 21.9 It . 3 21.9 Bor s HiHh IQ M i d d l e IQ. L ow I Q Total 5 .1 . o o 3>l . 6 6 25.25 35.no 5.9 .5-0 5)i.55 37.20 11.5. 2 5 120.50 123.50 131 . 65 129.30 13 . 2 15.2 12.5 15.3 ■ss-This c o l ’iinn w a s c a l c u l a t e d b y t h e a u t h o r o f t h i s s t u d y th e hone o f m aking H ow ard's d a ta more r e a d i l y c o r n e r e d w i t h t h o s e from r e l a t e d s t u d i e s . (Adapted from L e s t e r R. Howard, ng_. c l t p. 52.) in 37 T e subject for r i r l s . * B arish 32 boys and o irls did A tk in son -^ , found, however, w ith is as d eviation s girls showed ll.It, n ossib le much e a s i e r * sig n ifica n t of the is fo u n d no scores standard the 83 a w hole of the the greater By an an alysis to determ ine d ifferences inclu ded two in h is In v a ria b ility , B a r i s h 1s that th is boys study. in 1 3 . [ 4. a s d ifferen ce the study comonred however, has the He B a r i s h 1s data, than between a d ifferen ce prrouos. of for it a t-ratio of 1 .2. Wor k i n fr w i t h It3 b o y s scores unit of tests Everyday was the found 1.327, w1 t h designed Problem s ad i f f e r e n c e of boys to in those P iss of accompany Sc I e n c e . t o b e 1,1 3 6 . 3 3 In a n d U3 r i r l s , the Woods^t r i r 1 s on P einer The mean and the the boys favor of Woods observed -Iris of comnsred the seventeen and B e a u c h a m n 1 s score of 1 ,1 0 0 .3 0 . 36.03 w ith the boys T his ^ave a t-ratio that: On o n l y o n e o f t h e t e s t s , t h a t r e l a t i n g t o c l o t h i n g , w e r e t h e c’l r l s s u p e r i o r t o t h e bo;, s . On f i v e o f t h e t e s t s , those r e l a t i n g to the study o f h eaven ly b o d ie s , w a t e r s u n n l y , c o m n l e x a a c h l n e r y , c o r v ’u n i c a t i o n , a n d t r a n s n o r t a t i o n , th e b oys were s u p e r i o r t o th e p i r l s . 3 1 v i r t o n C. S m i t h , " S e x ' I n f e r e n c e s i n t h e O e n e r a l S c i e n c e , ” S c * e n c e , 7 3 : 3 0 - 3 7 , Jo- "-ary •’ , P arish , 33oa.rroll oo_. A tkin son, cl t . , ojc. p. Study 1 9 32« of 63, c l t . , p. 67. *^!h e l a O l a n h v r a W o o d s , ” Ser_ PI t ^ r f i c e s i n A c h !«• v e m e n t a nd I n t e r e s t s i n O e n c r a l S c i e n c e end rn ’ r b -e a r in p on t h e C l s . s s i f.i c a t i o n and I n s t r u c t i o n o f ?u~' i l s ( onruibl t s h e d V a s t e r ' s t h e s i s , TTn I v e r s i t . y o ' ' C h i c a g o , C ^ i o a ’- o , 1111. , 1' 3 7 ) , ^ 6 r>n , 33 On t h e o t h e r e l e v e n t e a t s e q u a l In a c h i e v e m e n t . 3 5 R elated associated a few stu d ies regarding wi th m em bership in v estig a tio n s do n o t provide study provides p articip ation general have in been scien ce. Scout R is crouus [j.-N c l u b s , were In and Scouts. in th is pattern of resu lts. the area experim ental and Only and they Farnum 's-^ relation sh ip a ctiv ities about achievem ent done rem arding Boy two d lfforen ce s in a con sisten t data the betw een achievem ent groups con sisted in of § £3 B oy S c o u t s m atched for by ad d ition al in T able v. ^arnum in th eir marks le st, check 37 data of the two is the of on h i s course eigh th 3 ^I b i d . , ~ . for The groups determ ined by F a r n i3m a l s o Enr1 i s h to study. A p ortion that made m o r e groups as Form B . observed betw een h is non-Scouts. teachers Enmi 1 s h of £3 in tellig en ce A d m in isterin g assign ed and alth oa^ they and opined tenth d ifficu lt in tellig en ce. these the in the used of O tis the h is Scouts th eir to p a rtia lly S elfmarks students grades. due were as data lost an apnesrs around natural scien ce An i n t e r p r e t a t i o n incom plete The m e d i a n m atching in tellig en ce 32. 3 ^ D o n E . F a r n u m , 11A C o m p a r i s o n o f t h e S u c c e s s i n T e n t h f r a d e N a t u r a l S c i e n c e o f E3 Tio y S t o u t s a n d S 3 N o n - S c o u t s a s R e l a t e d t o T ^ e i r S u c c e s s i n E i g h t h ■'"rede N a t u r a l S c i e n c e , ” ( u n p u b l i s h e d N e u t e r ’ s t h e s i s , U n i v e r s i t y o f i 1c h i c a n , An n A r b o r , M i c h i g a n , 1 9 l ; 0 ) , !i7 o p . 37I b id . , pp. 3 3 - 3h. 39 TAFLE V A r'ORTION OF' FAR NTIK * S DATA COVPAEINO AND NON-SCOUTS Scout s ' average Subject Bt . b m a d e E n r l i s h 1 0 t h parade E n g l i s h 8th grade n a tu ra l science 10th grade n a tu ra l science (Adapted from Don E. Farman, Non-Scout s ' a v e r arr e 2 . 33 2 .1 9 2.33 2.01 2 . 63 2 . Ill 2.53 2 . 6l Ib id . SCO TT 3 pn , 33 —3 *1.. 1)0 qu otien t of the Scouts being n o n - S c o u t s may h a v e been d ifferen ces the between p arnum cites Farnsw orth^, the of The Scouts ex cell in observed that they is these stu d ies in tellig en ce, a p ositive score, Under t h e s e perform ance of the stu d ies a rather achievem ent enjoy at the a degree of su p eriority w ith achievem ent used l 6l school, conditions he pattern. but correlation in the two con sisten t has grade to already nairs same been in tim e shown general m atched end o c c u p a t i o n found the re31,^ s that he than groups. qC o f R idenour-'', and W y l a n d ^ * form study h i "her related a factor In K o n s o n 1s ^ test ooin ts sig n ifica n tly ad d ition al M onson^, all 2.98 a difference in of in it in to bear scien ce. arc, m ental father. the favor 3 8 o o r d o n N. R i d e n o u r , "Roy S c o u t s v e r s u s N o n - B o y S c o u t s i n S c h o o l , ” ( ’u n p u b l i s h e d m a n u s c r i p t I n t h e ^ i l e s o f t h e B o y S c o u t s o f A m e r i c a , 1 9 2 5 ) , c i t e d b y F a r n u r r , on.. c i t . , p . 1 0 . 3 9 p h i l o T . ]iln « n s w o r t h , v i s o r o f ^ r a r r r p.r G r a d e s - a n d S c h o o l D i s t r i c t , " S a l t Lake op. c i t . , p . 11. " U n p u b l i s h e d Stu*dy b y t h e S u p e r ­ J u n ior Rich S c h o o ls o f O ra n ite C i t y , 1 9 1 2 , c i t e d by Farnum, ^ A l b e r t R. M o r s o n , " T h e F f f e c t o f P a r t i c i p a t i o n I n B o y S c o u t V/ork o n S c h o o l R e c o r d s , L e a d e r s h i p , P a r t i c i p a t i o n i n S t u d e n t A c t i v i t i e s , and D e v e l o p m e n t I n C h a r a c t e r , " ( u n ­ p u b l i s h e d R a s t e r ’ s 1 1 1 6 5 1 3 , U n i v e r s i t y o f D i ’- c n e s o t a , f' i n n e a n o l i s , M i n n e s o t a , 1 9 3 5 ) , c i t e d by Farnum , o p . c i t . , p . l U . J l l R a y 0 . V / y l a u d , S c o u t i n g i n t h e S c h o o l s . (New Y o r k : C o l u m b i a i n ’ v e r s ’ t y R r e s s , 1 9 3 U T 7 c i t e d b v F a r n um , o n . c 1 t . , n. 15. ■konson, ojn. c it.m k-1 of the be Scouts, true d ifferen ce P rior ment in n-ener a l Academ ic case scien ce scores for both through In connection grade n u n ils grouns. He ho rural groups the of ninth w ith divided id en tified the and t h e of w hich are are that poverty the group students of in itia l in 35* 26). had the The an Im p r o v e m e n t rep resen ting being for the the Science Third for Iowa 1631 in d ifferences those general and pu pils those of as the th is the two status of t-ratio the being the Some the the 269 a m edian w i t h h i . 38 ^or the study in whereas estab lish ed as group. students d ifferen ce seventh socio-econom ic p o v erty 28.73 narrowed The involving area lh 9 of croup can into w ith wa3 w ithout. o f higher to th is the m ed ian s. social-econ om ic students, score su b sisten ce achieve­ T his low er a m edian b asis, used in students. group scores would and u r b a n related t - r a t to the sign ifican t grade the group data w ith ^ o w a r d ’ s ^- 1 s t u d y su b sisten ce his d ifferences General no in 100 zero. w ith in found of chances Whe n H a c k ^ Test he 66 associated students. E very-P unil the than concerned scien ce in vestigation between the of that m reater stu d ies backgrounds h is a d ifferen ce 7.96. On and [;7.0 h differen ce 2 . 8 !.;. ^^V'alter Hack, ^‘' H o w a r d , ojd. or, c it ., c i t . , n. nr. 11 and 32. !j 6 . A It 2 Wh e n H o w a r d compared su b sisten ce croups ranks above 60) croun was m a i n t a i n e d . ab ility in the su b sisten ce of the lev el of sta tistica l occupational ) r0 ^ p u s s i p . 'd status. ran-in^ lev els w ith The around of to of were the all favor the .177 the status by five h .36 was found same when decree the still below II in the for according these of w ith m edian any 1 .2 3 .1 . hlr-her were w ith and The and were When a d ifferen ce a t-ratio scores occupa­ status. cornered o^ d i f f e r e n c e s by su ccessive 1 .5 and the scores between the im provem ent to surrested lev els between ranre and were t-ratios five test of su b sisten ce the m id d le a method betw een favor and .7U 5. students father in the reduced and d ifferen ces in of croup but one In same croup t-ratios lev els m aintained in in itia l of was p ercen tile On t h e 30 the (II represented betw een m edians gen eral, a b ility croups corresponding occupational novertv IQ, a b i l i t y be occupational d ifferen ces the d ifferences crouped h is level of sign ifican ce, nrovinp also upper The and l o w e r Howard scores d ifferen ce favor tion al the rroup d ifferen ces the o f )y.35. relia b ility riven the an alysis. H sinr a test y z --------------------- described In a previou s section of th is F r a n k W. T a u s s i r r , P r i n c l o l e s o f i i c o n o m t c 3 t V o l u m e (New Y o r k : M a c m i l l a n C o . ^ 1 9 1 1 ) , p n . 1 3li —1 1 2 , c i t e d b y H o w a r d , i b i d . , p . It9* II, U3 report, of Schauss^ 112.35 as compared lished by show t-ra tio was a city enhanced enjoyed test. were found of when differences were in on favor the of His data t h i s mean and The of betw een greatest the ^^B arish, op. op. city children country on by the children the biology, No r e l i a b l e and tended chem istry to be his scores. consistently students occupational level in intelligence of order labor and high were 5h * a n d and 1 o\< " r o u p s p. the order less science in groups In than scores of skilled His differences was father. groups except interchanged. the five skilled the appeared b etw een mean c i t . , p. c i t ., his in into of business-clerical, sm iliar difference ^% ohauss, to d ifference scores When r a n k e d 10 found this the score estab­ determ ined labor. sem i-skilled betw een that physics divided professional, a as higher item s was the a ranking score 106.5 these questions. the a mean children. study unskilled sm all, points his basis show science labor consistently for of of that i n mean reported country in the and observed agricultural the order: labor, were on it found score m agnitude m lscelleanous B a r i s t i 1^ groups The was made difference 3 . 3 Jl • make and children a mean This Schauss physiology, Scores w ith difference M iss to country children. a 1.35 O tis found 1^ 12. was 13. 50. 27- 7U- A U4 By t h e use in terview s, regarding w ould be of q u estion n aires, .ToKnson^ punil was social suspected A lthough h is in seven, school, one ated gence regarding the q u otien ts in d u stries ( P) s o c i o - e c o n o m i c number o f relation s w ith nature, in stitu tion s and of kind status contacts scien tific became and i n s i i t u t i o n s of o" and b o o k s contacts devoted w ith references as to references in 7, as in w ith nature, the kind and of a in and 3> (h ) in tellig en ce 2 contacts marks w ith scien ce, contacts in stitu tion s w ith m ovies encyclopedias, ( 9 ) science ( 1 0 ) In tel 1 i^ence w ith qu otien ts ( 1 ) socio-econom ic 7, w ith and c o n t a c t s ( 7) i n t e l l i g e n c e contacts (1)in te lli­ contacts ( 6) science and number o f calcu l­ and programs, kinds C. marks and r a d i o 6, D. A pproxim ately a scien tific and to students as t h e - p u n 1.1 a an d as the W ashington, and number o f ( 3) s c ie n c e 'S a n d to such v a r ia b le s and num ber o f in sign ifican ce were and k i n d s as one data that correlation s in d u stries in d u stries of In volved . quotients and m o v i e s errerien ces in and extensive was l i m i t e d first-ord er and th e rather elem ents and n i n e pu pils separate to econom ic study eigh t, some 1 , ^ 0 0 hundred and o f having scien ce. grades able consu lt a tio n s, and m agazines, status marks qu otien ts, radio and and (ll)so cio - i t h C. Tu U n 3 o n , " O u t - o f - S c h o o l S c i e n c e E x n c r i e n c e s o f p u o i l s i n t h e T h r e e O r a d e s o f J u n i o r TTi^h S c h o o l , " ( n o u b l i s h e d F a s t e r 1s t h e s i s , Oeorge bashinrrton h n i v e r j i t y , W a s h i n g t o n , B . C. , 1 9 ) i l ) , p . econom ic of status, contacts H ovinp tion and w i t h home been Johnson only w ith a very three-fourths concluded marks experien ces confronted coefficien ts and n e a r l y ( 1 2 ) scien ce of and number a scien tific th is few and k i n d s wide array o f which went o f w hich were less than nature. of correla above .20 £. . 1 0 , that: The e n v i r o n m e n t , r i c h o r o o o r i n o p p o r t u n i t i e s , ca n n o t be used to p r e d i c t th e r i c h n e s s or dLrth o f t h e e x p e r i e n t i a l b a c k g r o u n d as f a r as s c i e n c e i s concerned. . . . The o p p o r t u n i t i e s f o r s c i e n c e e x p e r i e n c e s seem t o be i n d e p e n d e n t o f t h e s o c i o ­ e c o n o m i c s t a t u s o f t h e ho me an d s e e m t o b e p a r t i c i ­ pated in n e a r ly e q u a lly hy c h ild r e n o f a ll l e v e l s o ^ s o c i o - e c o n o m i c s t a t u s and i n t e l l i g e n c e . . . . Those p u n i l s w ith low s c ie n c e m irk s are as l i k e l y t o h a v e e x p e r i e n c e d a l a r r e number o f c o n t a c t s w i t h as have th o s e o u n i l s w it h horofsky by using his "case study” a' p n o a c h eonelud that A g r e a t e r p e r c e n t are o f t h e low a c h i e v e r s th a n o f t h e hirrh a c h i e v e r s w e r e b o r n i n t h e t o w n i n w h i c h t h e y now l i v e . . . . A g r e a t e r p e r c e n t are o f broken h o m e s i s f o u n d a mo n g t h e l o w a c h i e v e r s t h a n a mo n g the high a c h ie v e r s. T h ere are no s i g n i f i c a n t d i f f e r ­ e n c e s in th e e d u c a t io n w hich the p a r e n ts o f th e c a s e s r e c e i v e d , nor in the c l a s s e s o f o c c u p a t io n s in w hich t h e f a t h e r s o f t h e c a s e s are e n r a g e d . . . . The lo w a c h i e v e r s a s a r r o u n l i v e i n si i r h t l y b e t t e r n e i g h ­ b o r h o o d s . A g r e a t e r p e r c e n t a :~"e o f t h e p a r e n t s o f t h e b ir h a c h ie v e r s than th e p a r e n ts o f t^ e low a c h ie v e r s own t h e i r own h o m e s a n d s n e a k a f o r e i g n l a n g u a g e a t home. T h e a v e r s ’e n u m b e r o f b o o k s i n t h e h o m e s o f t h e U-6 h ig h a c h ie v e r s is approxim ately number o f b o o k s i n t h e homes o f In of an .junior in v estig a tio n high school of the m roils, equal to the average th e low a c h ie v e r s . out-of-school Cressrnan a ctiv ities concluded that: Lt. T h e g e n e r a l a g r e e m e n t o f c h o i c e s o ^ a c t i v e ' t i e s m"de b y o u o i l s o f d i f f e r e n t i n t e l l i g e n c e l e v e l s i n d i ­ c a t e s t h a t i n t e l l i g e n c e i s n o t an i m p o r t a n t f a c t o r i n d e t e r m i n i n g t h e c h o i c e o f an a c t i v i t y . . . . 9 . The g e n e r a l a g r e e m e n t o f c h o i c e s o f a c t i v i t i e s made b y o u r ils o f d iffe r e n t socio-econ om ic sta tu s in d ic a te s th a t so c io -e c o n o m ic s t a t u s i s not^an im portant fa c to r in m aking a c h o ic e o f a c t i v i t i e s . P rior to the took of content general the that research of The research being th is scien ce b iology, is exp lorin g offered follow in g nro j e c t study. w ill 2y9> o f m iscellean ou s ,T. the by Leker . ^ave chem istry, the teacher. observation com nleted . in of .found q u estion s that, already end r e l a t ed students had w^ o 3 Id.b. , o f the p h ys'cs 53 P oster's is based on a 19ij.O. A study o f the su b ject con ten t o f the m a ter ia l p r e s e n t e d i n s e r i e s t e x t s shows a n o s s i b l e e f f e c t on t h e s e n i o r h i g h s c h o o l u r o g r a m . Whe n s e r i e s t e x t s are used in th e ju n io r h ig h sc h o o l l e v e l th e b a s ic s c i e n c e c o n c e n t s a r e r e p e a t e d t o s u c h an e x t e n t i t w ou ld seem t h a t t h e t v p i l s s h o u l d be g i v e n more a d v a n c e d s u b j e c t m a t t e r a t t h e s e c o n d a r y l e v e l o r an ^ I b i d . ,1rr>. 207-2^ . ^ E l m e r W. P r e s s m a n , " T h e O u t - o f - S c h o o l A c t i v i t i e s o f J u n i o r H i g h S c h o o l P i m i l s i n R e l a t i o n t o I n t e l l i g e n c e a nd S o c i o - E c o n o m i c St a t u s , " ( n n n u b l i s h e d D o c t o r 1s di s s e r t a t i o n , P en n sy lv a n ia S ta te C o lle g e , S ta te C o lle g e , P en n ., 1937 ) » n. 7 \ r. R . L e k e r , " T h e A r t i c u l a t i o n o f 1 n e r a l S c i e n w ith the S p ec ia l S c ie n c e s." Oenerel S cien ce -u a r te r ly , 9 : 1 9 8 - 1 7 3 , M arch, 1 9 2 9 , M arch, 1 9 2 1 , n . l'?0. 223 1+7 expanded treatm en t o f the con cep t i f i t i s r e p e a te d . The s e r i e s o f t e x t s a n a l y z e d i n t h i s s t u d y c o n t a i n much o f t h e m a t e r i a l o f f e r e d i n t h e t r a d i t i o n a l h i p h school scien ce cou rses. Tf the co n cep ts are rep ea ted in c l a s s as o f t e n as th e y are u sed i n th e t e x t s a t the j u n i o r h ip h s c h o o l l e v e l th e n u u i l s s h o u ld be w e l l p r e ­ p a r e d t o u n d e r s t a n d ’p p r e a d v a n c e d c o n t e n t i n s e n i o r hiph school c o u r s e s . ^ In Woods a study referred to p reviou sly in th is report, M iss found: The i n t e r e s t s e x p r e s s e d by t h e r u o i l s a t t h e bepin ninp o f th e ir study o f the u n its in General S cien ce correspond somewhat w i t h t h e i r a c h i e v e m e n t i n t h o s e u n i t s . Both n e r s t i v e and p o s i t i v e c o r r e s p o n d e n c e w a s f o u n d t o o c c u r . I t i s l i k e l y th at the r u n l l s 1 in t e r e s t s In flu en ced t o some e x t e n t t h e i r a c h i e v e m e n t i n t h e u n i t s . . . . The i n t e r e s t s e x p r e s s e d b v th e m o i l s a t t h e end o f t h e i r stu dy o f the u n it s in General S c ie n c e correspond b o t h n e g a t i v e l y and p o s i t i v e l y w i t h a c h i e v e m e n t , b u t ^ t h e r e i s more P o s i t i v e th a n n e g a t i v e c o r r e s p o n d e n c e * ^ Beauchamp conducted a study in w h ich he attem pted: . . . ( l ) t o d e t e r m i n e t h e e x t e n t and n a t u r e o f t h e in d iv id u a l d i f f e r e n c e s w hich a n i s e . i n a t t a in in g s p e c i f i c le a r n in g p r o d u cts In elem en ta ry s c ie n c e ; ( ? ) to r e v e a l the f a c t o r s w hich in f lu e n c e the P r o g r e s s o f o u n i l s in t h e a t t a i n m e n t o f s p e c i f i c l e a r n i n g p r o d u c t s ; and ( 3 ) t o ,'-'ake r e c o m m e n d a t i o n s f o r t h e i m p r o v e m e n t ,o f t e a c h ­ i n g t e c h n i q u e on th e b a s i s o f f a c t s d i s c l o s e d . ' He secured h is scien ce cla sses of data the from Freshman U n iversity of and sub-Freshman Ch^ c s p o Hi'rh S c h o o l . ^ R i c h a r d James F o s t e r , "Desiree o f R e p e t i t i o n o r E x p a n ­ s i o n o^ C o n c e p t s i n S e r i e s o f G e n e r a l S c i e n c e Te x t s f o r G r a d e s S e v e n , E i r h t , and b i n e , " P a r t 1 , ( u n p u b l i s h e d M a s t e r ' s t h e s i s , U n i v e r s i t y o f l o v u - , I o w a C i t y , I o w a , 1' J i O) , p p . l G d - l h l C>L,W o o d s , ou. c it. , p p . A p —"U0 . I I b u r L e e B e a u c h a m p , "An A n a l y t i c a l S t u d y o f A t t a i n ­ m e n t o ^ S p e c i f i c I c a r n i n r P r o d u c t s in. • .1 errant s r y / S c i e n c e , " ( u n p u b l i s h e d D o c t o r ' s d i s s e r t a t i o n , TTn i v e r s i t y o f C h i c a < ~ o , C'1 c a ' o , I l l i n o i s , l c 3 0 ) , p . # h3 T eaching tion of scien ce of u n its by t e s t s , fcv t h e by the to th is those classes con sisted K orrison procedure. observations, students. pertin en t in and an alysis T' o s e of h is study are: of Date of presenta­ were exercises ’o n c l u 3 i o n s wf ' c h collected prepared are most ( 1 ) T h e d a t a r e v e a l i n d i v i d u a l d i f f e r e n c e s and v a r i a ­ t i o n s i n i n t e l l i g e n c e , r a t e o f r e a d i n g and a b i l i t y t o u n d e r s t a n d what i s r e a d , e x p e r i e n t i a l baokcrro'md, p e r c e n ta g e o f a p p l i c a t i o n , snan o f a p p l i c a t i o n , a t t i ­ tud e toward work, m eth ods o f s t u d y , th e tim e r e q u ir e d to s o l^ e the e x e r c i s e s p r e s e n t e d for s o l u t i o n , th e t y p e s o f e r r o r m a d e , and t h e e t . i l t t y t o p e r f o r m t h e d i f f e r e n t a c t i v i t i e s r e q u ir e d in the study o f s c ie n c e . ( 2 ) r!'he s t u d y s h o w s t h a t w’^ i l e p r o g r e s s i n t h e s t u d i o o p s c i e n c e i s d e f i n i t e l y r e l a t e d to such f a c t o r s as i n t e l l i g e n c e , a b i l i t y t o r e a d , e r r o r .1 e n t i a l b a c k g r o u n d , and s u s t a i n e d a p p l i c a t i o n , t h e r e a r e s o many e x c e p t i o n s to t h i s g en era l r e la t io n s h ip th a t the r e s u l t s are o f l i t t l e value in in te r p r e tin g in d iv id u a l progress u n less a c c o m p a n i e d by o b s e r v a t i o n s and a n a l y s i s o f t h e i n d i v i ­ d u a l ' s method o f s tu d y . . . . (M f'h e i n v e s t i g a t i o n shows in r r o T e a s w ere, in ceneral , were c o r r e c t iv e in n a tu r e . that ind ividu al v a r ia tio n s c a u s e d by f a c t o r s w h i c h ( 7 ) T h e c o m p a r i s o n o f t h e i n d i v i d u a l d i f f e r e n c e s and v a r i a t i o n s i n t h e p r o g r e s s o f n u n i l s when d i f f e r e n t m e t h o d s o^ t e a c h i n g are e m p lo y e d i n d i c a t e s t h a t t h e i n d i v i d u a l d i f f e r e n c e s and v a r i a t i o n s i n t h e p u p i l s a r e more c l o s e l y r e l a t e d t o p r o g r e s s th an i s t h e method o f i n s t r u c t i o n em ployed. Hecht f‘o c u s e d ^ TI b i d . . " p ^ He c h t , p a s t u d 77- p r i m a r i l y . op. c it. , u p . llJ.i-117. on the determ ination 1|9 o f what aptitud es si rm ificant students rela tio n sh ip s course nurnoses. A fter o'ivinr he was them able overall to to Test 1. I' est: 9 . Memory used appropriate a New Y o r k follow in g for tests h i mb s c h o o l correlation s w ith scien ce. .Lj-6 Comoro. . • .90 to .29 .98 (Y e s te r d a y 1s D em onstration) .99 .99 V i s u a l A p p r e h e n s i o n (r-.ot.ion P i c t u r e Film ) . ................................................................................3 6 nest 13. Oral C o m p r e h e n s i o n ( h e r b a l S t a t e m e n t s ) .......................................................... .70 1 - 8 - 1 9 . M a r k s f o r Wo r k ( E l e m e n t a r y ( T r a d e s ) ...................................................................... . 9U and 1 i m i t a . t i o n s the effect students a rather m easuring the be c r-,il d 12. concerning: in thus, Test Su mmar y vtelc these R e a d i n g C o m p r e h e n s i o n and M e m o r y ............................................... C riteria of of 6 . C o m p r e h e n s i o n and Mem o r y ( C l a s s A c t i v i t i e s ) ................................................................ Test ment in the bear achievem ent com posing in students V isu a l E xperience (S e e in g , h e n d i n r , and R e m e m b e r i n r ) . )}. -9. Test and, o- rade H a n d k erch ief E xperim ent ( S c i e n t i f i c M e t h o d ) ........................................................................... 2-3. Test the 107 p u p ils id en tify achievem ent by n i n t h to throumh t h e prognosis and possessed in cl^ ar-cu t .scopes P rior subse instrijm ents total of of of previou s instruction uent general pattern tend to stu d ies. of record students on the scien ce sign ifican t w ith achieve­ courses con clu sion s. concurrent Stu dies The changes ad d ition al bO in stru ction . Q u an titatively, sm all. Where tests current w ith in those of study. the tend •’• o r e be than w ith the trad i t i o n a l l y w ith others. ing been w ith T; i s th is raises on t h e to the science and a v a r i e t y 1 at i o n between ran'-inm .50 end p articip atin g in the prade m ineral scien ce portion of the the su b ject m atter the n rior between acquired the stu dies variou s been host done o f whether reported and p- rade students factors t h a t ma y of ten the have factors by n i n t h contrib utinr They the stu dies o r more d eal­ years Increased aero. em phasis in the elem entary school and t h e train in g of the elem entary school teachers by stu dies of the of have eon f!ictin p P reviou s of science b e e n .accompanied reveal the some b l o c k s qu estion of by cooperation a w orthw hile sim ultan eou sly. problem teaching increased has actin g designed course. inform ation out be r e p o r t e d the Many o f p a rcellin g to con­ in the scien ce are trains tend been ninth w ith changes inclu ded relation sh ip s have close who w e r e s i r n i f ’i c n n t w ithout the fam iliar fam iliar ^ains had entering these to measure tests w ith students to inform ation greater the or Students course are where teacher teachers been used in stru ction , cases classroom have however, effects .60 . w ill cause th is study achievem ent tests data. usinr a variety in telligen ce between that *35 tests end .65. Althourh s ome of reveal host decrees resu lts stu dies rerort of tend the correto fa ll pi correlation between scores there is lation between in tellig en ce inadequate eviden ce in tellig en ce A^nin, revardinp i n t e r c o r r e l a t 1ons factors susnected t ’ ere and achievem ent. the of and is and concerning in d ivid u al need affectin g in itia l for of the vein s add ition al acq u isition test corre­ in in tellig en ce the ^inal science data w ith of other science in form ation . The d ifferences th e most con sisten t in variab ly They tend to accent a check d-irlnr these P reviou s accom panying or not is Scout and w ith the Club experience ho me factor. In tends a sta tistica lly measured, the to to be w ith respect ^Ive the sign ifican t, advantage is sm all. T his the study. favorable to is the advantage. as are, determ ine work whether associated and Iq-H social-econ om ic pattern student tends d ifferences peculiarly w hole th is only d ifferences as Scout the of study of that factors blend to decree factor inspected Boys exam inations. sex These are stu d ies. the report experience th is the In stru ction . consistency Such d ifferen ces related Increase considers can w e ll tend by sex achievem ent experiences. Scout research not tend d ifferen ces. background previou s and stu d ies the scien ce ad d ition al data w ith reported but over-all small, it on m aintain on th e however, data do b e t t e r to ad vantape associated revealed from by a ’’ mood" Quant i t at i v e l y In stru ction tends to 52 dim inish the spread and n o o r hom es. Several focused and on a m eat been Tt exten sive the comm unity fin d in gs Is a ctiv ities noin t home susnected of exertin g the in ten t in ment in su fficien tly only s t u d v«• d o e s O verall, con trib u tion s (2)bv to not th is to ing achievem ent other that factors factor insure study attem p tin g factors the study is scien ce to factors to of have been between home scien ce. The In reg a r d w hich m irh t pronounced accent, in pood to have effect. treneral, the the rela tio n ­ home conditions and ach ieve­ w ill be that the explored student a marked expected of been scien ce actincr from rcrard ln g parcel have in correlation a much more r e p* r e s e n t the variou s low students relation sh ip achievem ent in v estig a tio n s The of In vestigation s the social social-econ om ic scien ce. of to and th is o f p reviou s betw een w ith and of scores sch olarly problem con sisten tly ship and w hole the and number resu lts the betw een th is study pop ulation of d iscrep ant. to make education out in the by Its own p e c u l i a r (l)its Independent p reviou sly inform ation sim ultan eou sly. reported but In recency effect as of affect­ conjunction CHAPTER I I I COLLECTION OF DATA I. The P ead m ajor role General In the in terp retation s clu sion s w ill to have scien ce item s to in on the in general of in the lig h t represented by the The to 1: a n y Read Test correct thi3 study of nlgys the study. A ll and t h e con­ these achievem ent resu lts in learn in g responses to the b o t h Form A and Form R of textbooks the Item s solu tion and req uires p ossib le the a rep resen tative in clu d ed In be of of general that a segm ent the in volvin g sam ple of item s in school student nroblem s some o° to Read T e s t of the total the occurr or p r in c ip le is that it a ctiv ities Another experien ces apply natu rally facts from scien ce w herein the extracts hinges developed of course. the the cu stom arily ap p lication test a s t u d e n t ’ s know ledge many o f thought scien ce th is of d iscussed i n t e r p r e t at Ion m easures the to req uire an o b s e r v a t i o n phenomenon one Inform ation of a sam ple of is exp lan ation only the the response recall scien ce m ight for successful C opies the tation from of to One data test con sid eration in form ation Ing T his A poendix. ab ility cla sses. T est. resu lts drawn by B a sically scien ce. the Read T e s t . the of of is the Science co llectio n b e made that on appear be KATERI ALS USED the of in terp re­ total the course course. 51* and then m easures it must be k e p t of some total students new tion Test in E stim ates year's th is of only experience suggested test say study that the pained total b y Goodenough'*', m easures instruction the if As any To a year's c a n b e made total that experience. during lead in g. sam ple. in mind included id eas th is ninth only from be the seven ty-five or nine very m is­ the one knows what p e r a ssm ole parade eio-ht would pain but year's cent item s of in stru c­ the on th e Read represent. Inasmuch d istrib u tion being as by the the organized, The author the test ed ition s Read T e s t was publish ers the except w ill for the standardization was n o t i f i e d , booklet at not be the however, tim e this "The w ith o f paper for ed ition s that id entical kind re-» the com m unities d ifficu lty The and cent, for the for the total answered nineteen life earth cent the of item the per cent. students correctly. for mean s c o r e equalled eigh teen Form A va lid ity tw enty-one ranpe p i .2 Rend T e s t for averare in data stan dardiza­ th ir ty -e ig h t ph ysical equalled per the end-of-year the fo r the of the frov The in 56 of d ifficu lty J4 2 . I 3 . d ifficu lty who scorin g sem i-in t erquartIIe equals group a hand sheet The The .sheets. special A was 93»^l P eT* cent, answer answer the Form B , Form The responses. provide Inform ation 3 , c?i'2 s t u d e n t s average in The w a s 14.0 , 7 9 . Item . tyre area p a r t s c o r e s . th is procedures. p2.^1 of scored aid certain was of the were order each o f m a r k in g r e q u i r e d by subject- m a tte r In to a m im eoprophed perm itted for correct designed p recise the m u lt t r ie - c h o ic e states 7»5>« scien ce scien ce science item s, Item s D ifficu lty in the in standard- 56 As p r e v i o u s l y of th is study as orig in a tin g in ferred , the item s from on th e three per cent of tw en ty-five per cent from to fifty-on e w hich apply the drawn rank these part as of the th is of scores on to provide cla ssified scien ces. the life and the areas paper scien ces, the P ea r so n Product-M om ent estim ated a fin al and may o f papers 1 , 9 73 p a p e r s in itia l decree test can be from rem ain­ The w hole A sam ple total author scien ces. scien ce the be scien ces, tenth T otal Score w ith P hysical T otal Score w ith Earth T otal Score w ith L ife The total Is, the score In fin al score from the scores coefficien ts study in itia l both testin c The Science case was the srranred in itia l actual in d ivid u al as numbers so test and .03 .82 SE z .03 I t e m s ...........................8 7 SE z .03 they Item s if to the i n i t i a l A and B w e r e evalu ation students were teachers. . . . Forms fin al of . score, score. of that admin 1s t r a t I o n classroom SE Z Item s. refers b e-in n in g -o f-th e-y ea r equal .91 Scien ce Scien ce th is A p proxim ately Form A a s the from ph ysical from every able follow in g the the natural stem earth can correlation s. arrangement who w e r e the of correlation : that The w hole Test of natural ap p roxim ately students the drawn op in ion Read item s from separate w ith sequence yield ed the cent con clu sion s to from per the areas T w enty-four ing in "iven the test Each In instrum ents. in a school Form B as was used le ft teacher was the up took fin al to riven 57 d irection s necessary em ployed for answer scorin g. the total number answer to scien ce each made the school by each part of was p rep a red rare the v isit the in the the p lan s returned of scored for w ith the the the total test. author sten cil as the teachers of to a hand in d icated scores en rolled of the were w ith score. separate sten­ lif e , earth, scores given In that cooperating the for the a report school. In over-all d istrib u ted . of and th is students of the Interest project resu lts. A copy cooperating schools the school w ere made to "ive answer same fin al by m eans teachers renort the spring the these ad m in istration were further that w ith T h is appears in score on prom pted report the Appen­ 13 9 . teachers A gain the ob tain in g teachers and j'iach o f in upon the the assumed answers part and p r o v i d e d item s. student a p relim in ary d ix, the in done were is test sheets rirh t sheets Im m ediately in was of determ ine p h ysical answer T h is the It p ractices com pleted Tor cils sheets. uniform The These ad m in isterin g way sheets second form the as were for answer all second were form for the an alysis of students for sheet had not of to the the first these early th is to enable Read T e s t . author form. scores whom e i t h e r been visited D uring d istrib u ted returned those again year. and m a t e r i a l s sheets sta tistica l answer 1950-51 was obtained and Before w a s made a first were scored the or elim in ated . 58 Y /ith tica l the com p letion a n a ly sis another A copy report of th is Personal used to test to the coop eratin g report and whom the on the p relim in ary p lan s by the ad visor th is th is visio n the the of data in v estig a tio n . for personal (See cla ss p eriod d u rin g tne p eriod the rem ain in g The these n aratlon was com p leted the the form the was d i c t a t e d form was A copy fin a l 1 9 1 .) form In day the The those the based review ed form students under the super­ sch ools the Read form in was w h ich com­ ' T' e s t was given . fo llo w in g day in p reced in g or and personal fin a l to ta l part in form ation frequency and s ta tis tic a l m a n ip u lation was fa c ilita te d by group scien ce of means n in th tnrouph and form s thus co rrela tio n The The of co llected p erm itted , the A p pend ix. con cern in g of 1851, cases. in itia l of of the of d istrib u ted . A ten ta tiv e in form ation the s t a t is ­ in v estig a tio n page of form general the th e sis. A p p en d ix. of the summer was d esign were teachers. The on The classroom len g th p leted for the com p leted the 190 of the teachers in form ation test nature phases d u rin g page form . resord the in of scores fo llo w s by appears m ajor the in form ation from the of co llec t students of of of students year. The were en ab lin g from recorded the d istrib u tio n data m echan ical grade the the scores pre- ta b les. these ta b les ca lcu la to rs. who Read were T est taug.nt was g iv en 59 so 2,318 course students in the bhe m a j o r .jere fa ll cities and sf sm all tration of in 27 so the 50. the T h is in in the in C .n tra l I llin o is , that any student in from rural the the study. be w ould through h is of students and from slig h t sh opp ing w o ld area large a predom inan t it These in than scien ce source p op u lation more a general is lo ca ted around d efin itely exp erien ces th is total n oth in g d w ellin g s grade group sch ools ran gin g to ninth, data h igh c itie s farm 1 of v illa g e s a ^ rtcu l t\ire p rise of p ortion en ro lled the en terin g that concen­ cen ter. W ith p rod u ctive d iffic u lt have been .home and sm all to enter­ prove to ta lly fam ily free oack- ground. The total ating h igh cases the a ll, Ul sch ools total scien ce T ab le com posed or ~ ive the T h irteen on the per as low absent eith er scores. en ro lled fin a l cent form, of fu ll Three the one of the test students ^orm of school cooper­ other* In 200. tim e to the sch ools. to hundred form the In over part able "Inal the In form ation or these were In the was ch a ra cteristics who day some students. 20 w ith in the students the as in en rollm en t in stru ctio n Test personal en rollm en t grade devoted those were was sum inarizes Read eith er •i.ven to of fin al were VI grade n in th tea chers general and n in th of the group fu rn ish in itia l fo rty -fiv e of the w'p 1 c h test was students was un able at the prescrib ed tim e. d id not answer q u estio n w u ich d ealt w ith the read in g 60 TABLE VI CHARACTED I B T I C S O’1’ THE O^O’TP 0 F 1 , 9 7 3 THE MAJOR p Or- ' i b 10 12 1 /l 3 - 5 - 9 11 1 7 i R m 7 9 9 3 13 9 22 61 in terests. in T w en ty-five sch ools econom ic cent the q u estio n The the six th , data in it was p o ssib le to the v a ria b les size size of of the the b a sic able the p op u lation of the be group square be fa irly test sam ple of in ’o o d n e s s T ab le fifte e n betw een students scores of of p ro b a b ility the d esign students. VII f i t , tu is shows the chances the of th is d istrib u tio n of to respect that that subgroups id en tified group stu dy. cases a p p lied , the they in so those to the where a reason­ sh ould that in the such a total students. the normal A ccordin g that crep an cies grade in per total th is enough was con sisten tly coop eratin g of te st. le ss be assum ed of raw the of so cia l- answers d ifferin g large form ula estim ate n in th u n ju stified . th is be a the w ith in d esign in su re, could w ould the w o ld d ifferen ce was that subgroups in u su ab le en ro lled the N ine grades. was error hom es. subgroups in of eig h th group a relia b le It id en tify standard estim ate were cla sses and show in clu d ed students scien ce to ta l d ifferen ce perm it to of seventh, VI an p rovid e number T ab le the students' not the o f fu rn ish th eir d id con cern in g cent not of students du rin " The could co n d itio n s of had w h ich per chi in the in In one th is that there in tellig en ce term s w ith in of the chi assu m p tion was found data square d istrib u tio n In clu ded of study p erta in in g te st, hundred of there that the in tellig en ce study cun be to w ou ld d is­ in the ex p la in ed to 62 TABLE VII COMPARISON OF T WV. RI S TR. TP ’ TTION OF THE I NT I L L I TENGE Q1TOT I ENT S OF 1 , 5 2 0 S T N D E N T S WI TH THAT EXPECTED I N A NORMAL D I S T R I B TT ION M id p oin t o f C. I . In te llig e n c e q u otien ts O bserved f E xpected f O J 1 38 7 133 12 17 123 >|2 37 123 67 63 113 127 109 113 1 50 159 103 RO'7 200 1 03 21? 221 03 206 212 93 1 9U 179 33 117 135 33 7k 33 73 30 52 73 35 26 63 16 10 63 3 T otals 1 ,5 2 0 r 1 ,5 2 0 63 as chence flu ctu a tio n . of in tellig en ce factors. least Any in p a rticu la r a m anner Some of the n in th a decree of group was w ell also riv en are le ss of the can the chi than ten to up the Read in errors. of a b ilIty to is not p op u lation of n in th chi students study produce square who test were as used a in itia l in t e lli­ the in t e lli­ T h is factor th is study. fin a l, normal T ab le in one d is tr i­ V III.) hundred abnorm ality of d istrib u ­ processes or : he in volved Inference su ccessfu lly d istrib u ted students. d istrib u tio n sa tisfa c to rily the a to of and (3oe chances v a ria b les. attrib u ted respond grade in in be group n orm ally by la ter T h is can selectio n T est th is ob tain ed . te st. at but rela ted whereby d istrib u tio n T h is experim en tal certain con sid ered fifte en the t>'e both square b asis d istrib u tio n were be represents clo sely m ethod scores, sca rcely eith er of several p op u lation . of co n sid era tio n to sam p lin g be the students of f l t:ic t u a t i o n r e “l e c t s the the to a d d itio n a l accord in g chance total of 'lest d istrib u tio n on related d istrib u tio n Read settin g ab n orm ality to a random may the tion on v a ria b les The to not total these q u otien ts that selected the com p arison gence There from d istrib u tio n students the be b u tion of of related p erm itted may the group be that gence on may selectio n T h is be ab n orm ality group firade in tellig en ce. w ill T h is of as p u b lish ers scores of that the 1 ,1 7 3 that group the the item s throughout The ihe to in the students m eets of Read 3 ,3 9 2 Test 69 TABT.E V I I I C0V P AR r SON OF T WE 0 B 8 K 1?v, .]\ J.T^TRII? *TION OF TV., SCORES OF 1 , 9 7 3 3 T rTD7MT3, V/ITH T?*E VR v q 1r7:TCI ES EXPKCTKT TO A T-JORK *L 1 I . ' JT^I PI ’TION lid n o in t o f C. I . In itia l Observed f E xpected 73 1 68 2 63 >1 f F in al O bserved f E xnected 9 6 1 1 3 19 9 97 52 53 23 1 6 1 36 11 6 83 97 91 2 31 210 '18 113 12 6 302 303 9 3 231 21 l1! 3 21 363 33 392 393 319 398 33 335 U03 23k 2 69. 23 37k 399 163 166 23 2 66 22? 9/i •39 13 131 122 39 39 13 36 93 1)1 11 5 19 3 3 *1 3 T otal s 1 , 0 7 3 3 ,973 1 ,973 f 65 during the stan d ard ization A graphic appears portrayal in F igu re The m ean schools T h is of the to in itia l in d ica tes There is mean way to the d ifferen ces avern-ed th is to to scores study in successful the IX .) these scores the separate the betw een responses how m u c h o f by the It is separate 2 6 .I4.3 a n d in to the separate of T est. d ifferen ce in is due in stru ction th is in stru ctio n groups Read sch ools in 37*15. the e x p r e s s io n the o f‘' s c i e n c e assumed effectiven ess among by v a ria tio n effectiven ess ■'•rude. to ranged w idespread estab lish ed due T ab le of estab lish ed determ ine nin th out d istrib u tio n scores a rather d ifferen ces p rior in related no the (See 1. in clu d ed factors of procedures. study w ill id en tified that be for com- p ar I so n . Inasm uch by the of the separate total the test to ta lly 223 reg ister of scien ce and the nin th 153 of test were in itia l betw een th is to some through fin al students as of was score, such stud' n t s , in itia l these was groun range sch ools fru stra tin g The genoral the p ossib le stu d e n t3 to of as gain the and 50 p e r cent the more through the adequately year train ed y :a r . scores. T h is able The through 'gouo to four train ed w ithout students. t aught was provide sch ools 1955-51 of d ifficu lty s t u d e n t s who we r c whom w e r e en ro lled estab lish ed that the in ad eq u ately grad e scores 35 shows perm it scan did no composed both in not w hich offer 66 TABLE IX COKP A R I S O N OP THE OBSERVED 1 ' I S TR TR’T I O N OF n WP SCOP E S OP 3 , 5 9 2 STHDENTS P I T H THE FRFQ.rTP N C I P S EXPECTED I N A NORMAL D I S T R I B U T I O N M id p oin t oD C. I . P in al O bserved T scores E xp e c t e d 1 3 7 2 h 6 7 3 9 3 0 6 2 1 2 3 3 7 9 7 2 1 2 2 1 0 9 2 3 9 6 3 3 0 k 7 5 3 2 5 h k 2 6 1 9 6 7 7 y 6 2 6 6 3 6 3 2 5 o o 9 1 2 7 3 -U 9 2 3 6 2 2 1 3 8 1 1 7 3 9 5 3 1 2 I).- h 7 0 0 2 1 0 3 , 9 9 2 3 , 9 9 2 To t al s 3 9 3 8 T 67 reneral 3c le n c e cncw o f no reason ■ sign ifican t the to the The of +o n o t the those had in ;~r s d e b iolop y through who, of the 33$ unon group n in th further of scores were obtain ed m arkedly from not m ajor more criteria taught of those by no in con sid ered of d iffer group scien ce in author any w ith in a trcctio n reason in grade. been T h is Through group test for why other and was t aught group the in these two four found in on and These sch ools. students groups was in itia l students. no elim in a ­ absentees given , 226 teachers th is h ad i n v e s t ig a t io n , were the the five the who students. form knew the The ^rade. fin al author course. should a lit t le the were ur?jde students the test factors h avin g n in th ihsre students The these from comrjosed those day fin al why n in th scien ce o rig in a lly tion of tenth reneral « req u ired respect excep tion xrior as should respect d iffer to study. A CHAPTER IV THE DATA AND 1 H E I R I. COMPARISON OF THE I N I T I A L , F I N A L , S CORES OF THE '! HREE GRO i p s A ccordin g o rtion ■rade of to the the data students as co irse. irovirie in form ation nay these concern. in h a tenth the general scien ce the program of general The Read in -rade data G eneral T ab les these data X w h ich scien ce year scien ce who group groups were aid the in lo ss of in the cou ld be that not had been of the m ajor n in th -eneral in clu d ed scien ce was the to in terp retin g school cla ss had a com oleted in volved course in form ation independent one q u estion decree to expected been of w h ich to p rovid e om itted riv en of the from n in th course. d escrib in g XI. or exp erien ces students from and AND G A I N in v estig a tio n , drawn (’ a i n q u estio n S cien ce th is w ou ld n in th b iology and be entered reneral A second of a d d ition al the the grade to Ho w m u c h throu en rollm en t was ^’w o data. occur d esign they scien ce of INTERPRETATIONS the resu lts T est to these Some of the of three more a d m in isterin g groups p ertin en t are the sum m arized facts from are: 1. The scores of the chance sam p lin g d ifferen ces three groups factors. betw een cannot be the m eans of the In itia l ex p la in ed as due to 69 TABLE X CO! PAR l o O N Cr' rl HE I , I T I A L AKD ;.’T AL oCORK.-j OE THREE GROUPS OP ST'TDP.PTS WHO TOOK Ti l : READ T E S T Group Raw S c o r e SD O r e up z Score In itia l Group II. 36.12 9 .1 0 . 1 6 - Groun Di r f . I 33.12 2 . no . 69 2 . 39 9 .7 3 -.6 6 .6 9 1 . V: -.0 6 .20 .07 2 . 36 t -r if f tin IT. I . T h H fo 3 7 . 70 m . 6^ -6 .1 0 . 71 - . 69 . in . -1 . . . -*19 3 n i n t h p;r a d e s t rdon ts -”-■**■226 t e n t h n i n t h c;rade •shhM 9 9 7 3 60 '6 26 lit 66 Group III. 38.26 9 .6 4 Group I. 33 .12 6 .1 3 . 07 •6s 9 .7 6 - * 31 . 6? .06 Gr o up 0 roup were parade b i o l o g y s t u d e n t s r oner* a 1 s c i e n c e . n in th p ,r ^ d e student s z Sc 6-6 . -.06 . ;2 .0 7 -.6 3 Scores - . 36 .02 -.3 3 . 07 7 . ’.! 3 who Score SD .P o rts P in al Group G r*c i p DT f f . Raw M who t a n who were _r r T •* • !j 2 61 1 9 .9 0 .10 .02 6 0 id . 8 6 l . o i - . 9 6 .0 ) . 71 . 60 .07 1 . 36 1 . 9 2 1 . 1 6 - -i- • f-ht had no . peneral been taught .'■■■ sc I e ta efht general ; ce no scien ce. 70 TABLE X I COT" PAH I SON OP' THE G A I N S C O P E S OF T S B E r , G R O U P S * S T ' 7DKNT3 WT’0 TCOE THE REAL' TiT.iT betw een Di ffc r o n c e s Group I . Gr o u u I I . F lff. SEd i f f t-r a tio .03 - . 3'0 .98 .07 3 .28 Pearson F in a l and Or orm I . Orouc ILI . TM f f . SEd 1 f f t - r at ic Ini t i el Lean . 03 -.3 6 • Uk .07 6 .23 z OF Scores Gr o up I I . Group i l l . D ■f f . ::'-v;d i f f t-ra tio -.6 0 - . 36 -.1 6 . 10 1 .6 0 P roduct-F om ent C o e f f ic ie n t s o f C o r r e la tio n B etw een I n i t i a l and F i n a l S c o r e s r I. ,7 a . . . . . . . . 01 G r 01 1p il. • ' G1 . . . . . . . .03 G r 0 \ip ill. . 7 7 ....................................... -::Soe T a b l e X , p a r e 6 9 , Cor r efer r ed to In tills ta b le . id u it I fic s tlo n (T O * Group of the groups -/-"-The s t a r d n r d e r i" o r s c f c o r r e l a t I o n c o e f **1 c l ' - n t s w h i c h e r e r e n r —t e d i n t h i s s t u E / . w e r e c e l c u l t e d b y t h e s i m p l e e q u a t i o n ; SE Z 1 — r . T h e a u t h o r i s yw. ' a-t o f t h e . rr:c r*e r e c e n t d i s c u s i o n h f .- e d o n t h e ehnorm e l i t y o f d L s t r i bn t i o n o f t h e s a m r l in ;cf r. The num bers o f s c o r e s used i n c a l c u l a t i n g th e r ’ s r e p o r t e d i n 1 L i s s t u d y , how-, v o c , r e n d e r t h e 111 h r e c t Lm •. s a t e n d c r d e r r o r ’1 a r e s t c f r e l i a b i l i t y t h a t i s corn: a r a b l e th e z or t t e s t s d e s c r ib e d by I c o d e n c r h , -------------------------- Coodenouch, op. c it, , op. 267-269. errors the to 71 2. the The d ifferen ces d istrib u tio n s sam p lin g 3. and in itia l the standard scores may be d ev ia tio n s ascrib ed to of chance errors* There in itia l made of betw een were mean 4. In term s by those sig n ifica n t scores of of score raw students d ifferen ces each who of the p oin ts, were betw een three the the groups* greatest en rolled in fin a l gain general was scien ce c la sse s. 5. D ifferen ces d ev ia tio n s large to betw een f.Ta i n s fin a l be w ith a course* amount groups fin a l were ca lcu la tio n in itia l more test relia b ly presented they to 7. of and in itia l sm all gains scores. estim ated d efin ed for becomes acquire of th is gross as the 8 .4 8 an but as standard su fficien tly the T his as m ain score students p ortion the may b e w h ile of the n in th d ifferen ces in fers d ev ia tio n s much to are, as scien ce grade that from in a scien ce the a d d itio n a l course* the fam il­ in form ation than the exp lore a w h ole, general greater en ro lled attem pt o rig in T h is of the in form ation * gain fin a l grade in p ortion ju stify If n in th w orth w h ile T h is p o ssessio n score the and E n terin g o rd in a rily is three the mean. 6. tends the affect may common iar of betw een accom panying raw m ea n group of p o in ts. score 1,973 If n in th grade m inus in itia l students ; ain due to th is in stru ction raw mean q u an tity m atu rity is 72 d efin ed who as were m inus the not th eir 2.3 8 score is that mean d iffer score the the n in th q u otien t on h igh er. m atch ing the p oin t head is T est n in th score p oin ts. is in creased q u otien ts of an group by mean 0 .7 5 the have the of been of ■o u n d regression mean to The groups d id end-of-year p oin t. was due A d d ition al received a grade id en tify in g these score group w ould by 1 m. p o i n t . w h ich year th is of com paring b iology w ould accom panying no in stru ctio n b io log y The mean to th eir p red icted mean the equ ation that grade becomes 6 .1 0 A p p lyin g groups2 q u an tity becomes grade the n in th be group. in t e lli­ 1 .41 techn iqu e mean score to be 0 .6 7 of a T est is a m easure h igh er. 8. the of th is the gain b eg in n in g -o f-th e gence through students m inus by d iffer 193 gain 0 .5 esta b lish ed q u an tities for than the gross q u a n tities more of score, gain in tellig en ce These p oin ts net as score scien ce mean q u an tity by is w ith If these evid en ce of raw d efin ed th is of not general p oin ts. v a lid ity the raw m ean taught in itia l in stru ctio n m atu rity, fin a l To attain m en t the ol degree scien ce in order that the n in th grade general that the head in form ation , students scien ce in th is the study in stru ctio n of in terp retation who rem oved had th is not had d eficien c; ^ C h a r l e s (5. d e t e r s a n d V v a l t e r h . V a n V o o r n i s , B t a t i s t l c a l P r o c e d u r e s a n d t h e i r M a t h e m a t i c a l r a s e s , (wew Torn:: medrawH i l l B o o k C o m p a n y , 1 . 4 0 ) , p^ 4 6 3 " . 73 w h ile en ro lled follow s from is 1.31 score of the n oin ts chances in that the 100 cop u lation s. an p lled of the total req u ires 9. to usual school school of the g en eral, it is Leschers croups three w ith The as w'o ' c h that haphazard ted enjoyed the the is by ap p licab le or not lif e , th is adjusted the to prnde b iology becomes all about sam n les scien ce and is of the 75 sim ila r may earth course the proup, in terp retatio n p h y sica l, for be scien ce a q u estion in v e s t ip at io n . often the in volvin g brinp up th is on the used and to net than of exercise. su b jective The fin a l the approach of the the In reports co rrela tio n test estim ate approached other q u estio n test factor. in itia l did the the rely students students ad m in istration con d ition s to m a 7/ b e the under toward regard in g of appear d ifferen ce in terp retation necessary betw een ness peneral students co efficien ts the n in th youngsters rou tin e attitu d e the the In v estig a tio n s tests of coru oletin p penorsl further e n d - o f - y e a r . me a n mean beinp the th eir T h is end-of-yesr above to that course. the th is W hether eq u ally of When b iology than in tellig en ce of prade h igh er shjdents in r e lia b ility tenth ob servation course. advantage chases the the score scien ce in scores the serio u s­ test. the test It w ould in a manner* decree to rep resen tin g whi c h each total of the test scores areas o^ n ay be natural in terp re­ scien ce 7 k may b e estim ated w ith -total of sco^e in tern al size from shown un correlated groups. and in error The con sisten t sr.pears to p h ysical the be scien ce fin al th is tab le drawn the Is from taught general Is nin th scien ce tenth grade scien ce An general to b iology the ph ysical scien ce Inasm uch as a raw are of the score for be for the made same the betw een group, the . 03. at data scores of the co rrela tio n in separate T ab le sam ple Trade nin th Group who Group of 200 students the who w e r e chases X III, through the ,03 the the co rrela tio n Read ninth W ith estim ated the sh id en ts degree for to of year. item s the n in th form s osrt- on test. a random 1,973 of errors in creased the students the in sp ectio n of test. approxim ate these show of scien ce grade total tendency reported fin al through in regard in g total through XII The su b stan tial standard pattern data and the a X II, co n serv a tiv ely composed the in itia l 1.93 be are im ply com parisons ad m in istration scien ce T ab le co rrela tio n s item s A d d ition al natural If w ould the the T ab le fin a l standard on ly in w ith in in volved , correlation s in itia l data co rrela tio n s con sisten cy o f’ g r o u p s the the le st and srade, taught III is no of I In scores who took who w e r e Group general composed o f h a d be< n II t a u g h t no 226 ~eneral ’■ r a d e . data in in variab ly d ifferen ce Table X III ran mere greater shows that the d iffic u lt. tnan ap p roxim ately 75 T -5LL X I I c o r r ela tio n s n-T- H ' ; r c tt s : ; fart Pi-; op s t ttd Re a r s on P r o d u c t - ’ ionent Coe f f 1c 1e n t of C o r r e l a t i o n r bet ween 19 e a r t h s c i e n c e i t e ms and t o t a l s c o r e .................................. r bet ween 13 1 I f e s c i e n c e I t ems and total s c o ^ e .................................. r bet ween 33 p h y s i c a l s c i e n c e I t ems and t o t a l s c o r e .................................. s .t p - e s OF THn ,-.n t s veto Group and took I. teg scopes read Group I r. test Group Hi. hilt,. 1 Pinal I MI t . Pinal In i t . . 32 .36 .31 . 79 . 79 .71 . 37 . 30 . 77 . 73 . 7\‘ . 30 .91 .9U . 33 . 36 • 35 . 38 iI n d NOTE: Or onn _I_. I n t h i s t a b l e r’e f e r s t o a s a mpl e o f 200 n i n t h parade s t u d e n t s drawn f r om n ^ r c u p o f 1 , 9 7 3 who wer e 1 aurht. g e n e r a l s c i e n c e . Or o up 1 1 . > r s t o 193 n i n t h r r a d e s t u d e n t s who were t s u s h t no g e n e r a l s o l e n e e . Or oup I I I , r ~f e r s t o 226 t e n t h ^r r-de b i d o^y s t u d • . nt. s who wer e t a u g h t n o r a l s c i e n c e t h:’.avv S c o r e s Croup Croup b iff. I II .9 ,1 0 9 .3 3 -.2 3 3 .3 1 3 .3 8 -.0 7 48 49 -1 8 .75 10.20 -1 .4 5 2 .9 6 2.9 2 . 04 49 57 —8 Croup Croup b iff. I III 9 .1 0 10.54 -1 .4 4 : . 31 3 .1 8 .13 43 55 -7 0 . 7 -L 2 . 9 6 10.62 2 .9 2 -1 .3 7 . 04 49 59 -10 F in al haw S c o r e s Crou p Croup D iff . I II 11 . n 1 0 .3 4 . 67 3 .5 0 3.06 .4 4 38 34 4 11.06 1 0 .4 0 • 66 3 .04 5 .2U - . 16 61 58 o 19.48 1 6 . 38 2 . 60 5 .79 o . <5l .4 8 51 44 7 Croup Croup b iff. I III 11. o l 1 0 . 62 .39 3 .50 3 .5 8 -.0 3 58 56 2 11 .0 6 lr .2 6 -2 .2 0 5 .04 2 .8 0 • 84 61 54 7 19 . 4 8 1 9.27 .2 1 2 .7 9 5 .1 6 .63 51 51 0 77 1 .3 7 p oin ts per cent of the to app ly or a percentage is req u ired ob servation s to many d ifferen ce to reach drawn sim ila r a from of t-ra tio these sam p les ap p roxim ately of ..roups drawn three, many can be the total popu­ from T anle from expected la tio n • A ty p ica l X III w ou ld and fin a l the 226 scien ce these life read b iology p h ysical general data students they scien ce th is regard in g did students has effect been of 2 ,3 1 8 students was 3 2 .9 8 elim in a tin g the in itia l standard to the heaa same or amount scien ce of the In in itia S cien ce item s of T est, th eir whereas the area of d ealin g m ajor drawn, the q u estion the tim e at a 9 .7 5 . d ifferen ce. to In th is of the w ith of N eith er the the regard 345 and of of may these may group of ra ised changed t h< a rise students tn is of second it d ev ia tio n scores 5 3 .1 2 grade p ortion total standard scores 1,937 n in th the score w ith 1 ,9 7 3 w h ich end-of-year rem aining to of' T est. mean p rovid e d ev ia tio n sig n ifica n t deneral much group absences in itia l the the tim es earth as group from that for the the noted mean the of extracted the Kead tw ice in of un able area about w ith study the were the retain ed the be betw een of a d m in istra tio n by may scien ces. con n ection for in gained as that fo llo w s: in form ation students In as a d m in istra tion s scien ce the ob servation be ol 9 .8 5 . who the the changes is a 78 It may year scores were nin th of con n ection duced also 3 ,5 9 2 low er is the an e x n e r l e n c e be in ferred to thus the of sim u ltan eou sly w ith the of had the for of program s, the gathered Read standard whom in T est, pr d ev ia tio n of sta tistic a lly mean of score for - s ig n ifi­ the 1 ,9 7 3 d erived hence the cannot students o rio r in tellig en ce of very to bears c r scien ce other w ell be in stru ctio n an Im portant In form ation nerfom an ce r- l a t i o n s h i p effect q u otien ts w h ich study in it s e lf should on aid factors the Read in the w h ich may act in tellig en ce. 1 ,9 7 3 th is in a stu d en t's th is the cooperating, been end-of- thousand were cf q u ite a cq u isitio n In tellig en ce group data a the study. of that affect of the w ith end-of-year th is three whom d a t a not in tellig en ce in terp retation in but In K now ledge The over that PAT, ATTONSHIP I WTWEEN I NT ELLI OENCL AND S C O P E S ON THE READ TENEPAL S C I E N C E I E S T rela tio n sh ip T est. low er than from I4.O. 3 3 of in clu d ed con sid ered w ruld the score A lthough and students, note stan d ard ization can tly could to w ith T h is it in terest and 1 0 .6 9 . II. of graders, a mean students be were sch ools. 1 ,5 2 0 su p p lied the ob tain ed These con n ection sch ools for did of the m ajor from p ortion the o ffice intelligence w ith the usual not all use students file s q u otien ts school the of same guid anc 79 in tellig en ce o f Kent s i M ental tea t. Tine M a tu r ity , ^ the A b ility tests through that of a standard d ev ia tio n standard d ev ia tio n s other of of q o t Lents converted the w ith d istrib u tio n in tellig en ce by tests q u otien ts oroduced were G eneral Kent el the to a tests of 12 the A b il i t y , ^ w ith the produced m eans of d erived accord in g to the of w ith form u la the was test w ith a yield ed the O tis those these of O tis tests of the of in form ation , e ar:s eq u ivalen ce The q u otien ts other th is by author d istrib u tio n s 100. the W ith The Te s t T ests p u b lish ers in tellig en ce 16. C a lifo rn ia A b i l 1 ty. T e s t s . 1 a n d whereas common were Sel f-A d m ln isterin g corresrondence each in tellig en ce of used O tis P in ter ri e r m an- M c N e m a r T e s t advised teats test d erived suggested by G u ilfo rd .7 The Pearson P roduct-!:om ent co rrela tio n co efficien ts FI i r e b e t h F . Sul l i v e r , , V/ill i s V .:. f 1 art:, and hr no s t T i e ' Ts , Cal i f or rii a S:: o r t -Torn Te s t a o f i e n t ol Ka t nr i t y , ( L o s An *r ' i e s Z '\ : C al ! f o r n i a r'o t B u r e a u , 1 ° 3 9 ) . ^ A r t h u r S. n t a l A. bl l i t y . Ot, i s , '! h e O t i s Sel f - A b ' r . i n i s t e r i n r Te s t s (New Y o rk : V/orld P o o k C o . , 1 9 2 2 T . Ab 1 1 1 t y T ests, W. of York : 9pndol ph P ln tr e r , P i n t n c r o e n o r a l W o r l d B o o k C o . , 1.r - 3 ^ ) • (New Teat 6 h . ■ . rl e r ' s n a n d ' uu i n r i K o N - u n s r , T h e rJ' :r ^ a n - I . c N e m a r o f K e n t s i Ads I I i t y , ( N- w v o r , : : V.c’"] d B o o k C'c . , 1 9 - i . l ) • and ^ J . P . T u U f o r d , F u n d a m e n t a l s t a : L a t i c s i n P s y c h . o l o.o-y E d u c a t i o n , (New Y ork : B h r aw-B 111 C o . , lh ij.2 ) , p . 1 2 1 . BO betw een in tellig en ce calcu lated study. for These cien ts in Since the tab le are not of factor ten ta tiv ely as r elia b ility of the in tellig en ce estim ate the co rrectio n 15 ner cent. The co efficien ts were of d ifficu lt of the th is standard ca lcu la ted by to tests these Test and as th is c o effi­ atten u ation . co rrela tio n s tests, The was reported estim atin g .9 0 , the atten u ation in d icated the in The estim ate. figu re errors were in tellig en ce Read for XIV. for in scores students T ab le used a va riety is of corrected r e lia b ility O .8 ^ TJ s i n g w ould form in q u otien ts by m eans Test: groups renorted atten u ation altern ate three are in tellig en ce d erived the of and Read valu es th is the were each q u otien ts sim ple to for the author be about these equation : 2k - 1 - r^. The r e l a t i v e l y h i g h c o r r e l a t i o n b e t w e e n i n t e l l : ' r " VTT r e n c e and a c h i e v e m e n t o n t h e R e a d T e s t m e a n s t h a t a l l c o m p a r i ' sons betw een gonee of second for group the only perform ances groups to in to in itia l end-o^-year to rev ea l, it is in respect to In itial on the Read T h is the have co n sid eration . test scores. w ill In m ost or scores 30 far as relia b le as to take the In tellig en ce a p red ictive th is study sin g le r>re-in s t r u c t io n has is factor been p red ictive student in te lli able factor p e r form an e e T est. rela tio n sh ip ^l ------------e n n o n , 17 o c . c 1 I 4t- . of in tellig en ce p. a y be more m eaningful 81 T /V LE X I V \ 1?h h i I 0 2 O'TPS S (J . ■Ch 0 0 ;jH: r Ar''1 0 V" h d . M '! H. SCi ’V o OV r. o h 3 r:,Ti vxxiTs o n 'i‘Ti ' v . ; , TES T WITH I H ,l’V L L I ri ''N/ 'E Iroup Group Group Grmm In it. r SK ]7 I n a l r SE I , 1 , G20 n i n t h .T rad e s t u d e n t s who w e r e t e i ^ h t c e n e r n l s c i e n c e th r o u r h the n i n t h f-rade. . 3'6 .02 •38 .02 IT, 173 who w ore scien ce . .Oh . 62 .0 1 .76 .0 3 . 61 . 0). n in th v*•.d e s t u d e n t s t n u -Th t n o r e ; u r a l ..................... . I I I , 208 s In d e n ts in t e n t h * r c d (. b i o l o T\- c l a s s e s b u t w h o ’ tad b e e n t ' . - n h t n o p e n e r a l s c i e n c e t h r » . c o c h t h e n i n t h f’ r s d e Group I ' i f f e r e n e e s b e t w e e n i n d i v i o u al f: - S c o p e s w i t h i vi t , e 1 1 i c e n e e Grcup I ............................... _r -.0 1 Group II ............................... -.1 7 .07 Gr - o u p I I I ............................... -.0 2 .0 ? SE .02 82 if expressed T h irty-on e ing in term s per nin th the in cent rrade of ner n in th peneral os cent is A lthough there found the of mere chance i n . These in erode When is may is so v a ria tio n s T h is q u an tity are com p letin g to in of of if a are 1 -scores, n egative students perm it becomes p ain s p red ictin g p ain s. co rrela tio n in th is exp lan ation A n i i i . T h r .;n t A o T o 'Till ■.’A C ,S I N 3KX in th is factor the boys both scien ce th is as to the enter­ study, as errors. there of decree low of however, valu e 9 scores in d iv id u a l sam p les that is a p rior are may reported d ifferen ce to and exp erien ce. d ifferen ce c iaii be in in after There is ;:: with T ab le the the XV. scores n in th p ra ctica lly a ttrib u ta b le to no chance errors. the expressed be betw een the d eterm in ation . the who course. l it t l e of attrib u ted students show that sam p lin g of be in students. slig h t sam p lin p general chance a rep ard in p data favor for riF'h'h-j'iciTi 1v Data the very cases it vn rion ce scien ce was q u a n tita tiv ely co efficien t may d ifferen ces in tellig en ce in the of th irty-fou r expressed the students in tellig en ce rrade of found perform ance in any w h ich ^Cluil f o r d , op . of ore of boys several rreat c i t . m p. and rain enouch h ll. '-iris on the m easures, no to any nerm .it Head Test d ifferen ces p en ersliza ti 83 TABLE XV COMPARISONS o p THE SCORES G I R L S AND 9 6 9 BOYS OF 1 , 0 0 4 In itia l Raw S c o r e i: sd 3 4 .7 3 3 1 .5 6 3 .1 7 .29 1 1 .0 3 Boya G irls D iff SEd i f f t-ra tio 1 0 . 05 9 . 20 • 85 •27 3 . 15 Raw S c o r e G ain Boya G irls D iff S E d iff t-ra tio z of Score TVI Raw S c o r e M SD .165 -.1 6 0 .325 .04 8 .1 2 43 .2 8 40 .0 0 3 .28 .49 6 .7 3 G ain a s P o ssid le G ain z 21 19 2 1 .2 1 .4 8 .5 5 8 .4 4 .1 1 .34 .32 P oin t F in al B ia eria l Score G ain Boys and G ir la ap-ainst I n i t i a l Boya and G irls a g a in st F in a l Teat Teat of Score V 1 1 .3 2 1 0 .3 6 .96 .34 2 .8 9 .154 -.1 4 7 .301 .04 7 .52 G a i n a s T.'ean D i f f ­ eren ces betw een T -acorea -.0 1 1 .013 -.0 2 4 .03 .08 C o efficien ts z * •03 •03 • • 06 •05 1. 20 C orrelation Scores. Scores. . . r .16 SE .03 . .15 .0 3 81* about the the total san^le there of was poin ts a but n in th the grade n o p u lction tendency the -cop ulation. for w h ich the decrease in is boys In connection in volved to pain v a ria b ility in th is more row in favor was w ith study score of the r ir ls • In fir ls the in an alysis the m ain a d ifferen ce over the g irls does the W ith about of change for order the three scien ce u tab le to co efficien t associated cent to of in d orsation sex of By groups, the Read of the it does that the students q u otien t u sin g the enjoyed p oin ts regression th is w ould Test of give ,8 2 . in terp retation in crease of be the of w ith the sex the the T h is of d iffer­ q u an ti­ less than total possessed 323. in students to know was it varian ce by vd u e d ifferen tia tio n , .20 alien ation /'*' 14-03-1+09. fu n ction al correlation ^ ® Expressed p. found grade d ifferen ces. I0 Ib id . ,~ p . 1 1 lb id . , n in th an e s t i m a t e found pe^ was somewhat* coefficien t value on but it in tellig en ce m atching sex main d ifferen ces th is mean d irectio n w ith to b iseria l in 1 ,1 7 3 advantage rela tio n sh ip In of data 1 • op IQ o o i n t s . associated tative ooin t of a p red icted ences of group techn iqu e not these advantage boys equation of in the the sex the calcu lated . follow s the may amount be term s o ° a that attr-ibof student 35 w ould h is in crease or store her oT the score chances on scien ce the of Read su ccessfu lly T est, in form ation , and less p red ictin g hence than h is three or or her four per cent. There can tly and no can be T e a ter after n in th of are trends. of hoys the vided m arking by ciated g ir ls, a of the h yp oth esized in a in general tests tra it student*s the sex from ma y or show ing of w o^ld to There exp eri­ fin d in g s stu d ies. more no to the on hypothe­ an in advantage evid en ce pro­ advantage req u ire in te the boys The be several predom inant sim ila r w ou ld on of that separate lig en ce asso­ th is from exercises the boys con sisten t on have the Head had more in terp retatio n T est in volve p rior be that the exp erien ces w ith w h ich contacts. m ight The v a lid ity those tests. > A more is g irls. one hin ge test. have perform ance these follow g iv in g boys the other m ight scien ce nr lo r r e g a r d i n ' 1- d i f f e r e n c e s tra it tra it both sig n ifi­ in stru ction al boys data a m ental perform ance m ental the a in stru ctio n . that those tnese a m ental in tellig en ce w ith in volved of in form ation in terp retatio n ex isten ce in w ith of possess q u an titatively d ifferen ces A p o ssib le than the con sisten t w ith eith er and boys scien ce however, favor in terp reta tion that scien ce general q u a lita tiv ely associated sis of grade course verier a l l y An doubt evid en ce, the Both on amount co n sisten t ences lit t le of 36 th is in terp retation , there is a response boys it w ould hoys the the and " iris. p irls neneral and equally the Read there a is w hether betw een lest such and in the reflected in th eir be or not successful the exp erien ces a rela tio n sh ip d ifferen ce exp erien ces scien ce nir-ls. during second IV. these then exp erien ces students mean of scores on chance during "enerpl scien ce. was groups from th is Scout the shared that tends to a dropped that be any to of Boy exp lain ed These the real Scout exp erien ces course On w ith scores errors. reduced such be the n in th eq u ally both sexes add v a lid ity by ach ieve to I N Add IEVBi-j.IN I A S S O C I A T E D WITH I N []_-U CL' -ES AND SCO Vi S the could sa n o lin f there to in d ica tio n assoc iated he t w e e n w hich that tend w ith in terp retatio n . w ithou t that con n ection exp erien ces DIPFBRJSNCES MEMBERSHIP d ifferen ces in course E vidence D ifferen ces than on test. r’r f l d e th is If w ou ld C lassroom boys on that h in p es rela tio n sh ip item s follow and turn, sig n ifica n t on of in of of d ifferen ce about exp ression and G i r l were as found w ith in d ifferen ces the b asis exp erien ces. year’s fin a l betw een (3 5 c u s n c e s corcpuriru- The Scouts to be the and rreater lim its were, of however, in stru ction in scores, assurance the in tro the mean 100. w ains scores It of fo llo w s o f' t n e tv/o 87 croups w ould groups. T h is showed true was g irls. It may betw een scores be total The nressed as the fiv es a clea rer fain s or be in gain s to 100 as of d ifferen ce rela tiv e b ein g as the the and g en era lly in T ab le XVI. d ifferen ces as such or croups w ith in when in d ivid u al ex- T -scores m ovem ent, n osition , in the in d iv id u a ls rela tiv e rank boys rep resen tin g betw een the non-Scout of appear betw een of of d irectly in tern reted the case m easured expressed estim ate for the factor v a ria tio n s mean in 75 th is d ifferen ces lo sses greater so about that nay or to for noted u n its croups. of D ata be effect gain eon vin cin gly raw mean d ev ia tio n the the a p ro b a b ility for m ass show w ith in that is the f roup s. The groups less d ifferen ces on than Thu boy and nin th the fin al those crade d irected and is attrib u tab le or may be be tie r d istrib u tio n of Preparatory Boy and G i r l in of and to to Scouts the p rior of p ecu lia r exp lain ed some on other as rain to effect com bined of answer form is In w ith next Scout the the to the both the d ifferen ce the betw een to scores. in stru ction th is are Scouts, A tten tion v a riab le non-Scout estim ates betw een w hether an and in itia l associated approaching were croups w ith estab lish ed . q u estion the Scout d ifferen ces non-Scouts the the con n ection real clea rly toward be scores found existen ce g ir l, betw een may exp erien ce unequal croups. th is more q u estion , general 88 TABLE XVI COMPARISONS OF "’’HE SO RES OF 3 6 6 3 0 Y SCOUTS WITH THE SCORES OF 6 0 3 BOY NON- S COUTS AND OF 3 9 9 G I R L SCOUTS WITH THE SCORES OF 6 0 5 GI RL NON- S COUTS In itla l Raw S c o r e SD V Boy S c o u t s Boy n o n - S c o u t s D ifferen ce S E d iff t-ra tio 3 6 .4 9 33 .66 2 .8 3 .6 8 4.16 Boy S c o u t s Boy n o n - S c o u t s D ifferen ce SEd i f f t-ra tio z Score M 10 .4 8 10 .1 2 .36 .4 9 .73 Raw S c o r e G ain F in al .1 7 -.1 0 .27 .06 4.5 0 Raw S c o r e M SD 4 4 .0 4 42 .8 2 1.2 2 .75 1.63 20 22 -2 2 1 .0 -.1 0 .06 - • 16 .04 4 .0 0 .07 -.0 4 .11 .06 1 .8 3 R a w :S c o r e SD z -1 .0 4 .63 -1 .6 7 .16 10 .4 3 F in al In itia l 32.97 G irl Scouts G ir l n o n - S c o u t s 3 0 .73 D ifferen ce 2 .24 .58 S E d iff t-ra tio 3 .86 11.45 1 1 .2 5 .2 0 .28 .7 1 G a in a s Mean G ain as i D ifferen ce o f :P o s s i b l e z S c o r e b e t w e e n T G ain G ain Scores 7 .5 5 9 .1 6 -1 .6 1 .52 3 .1 0 a -. z Score M Score u 10 .5 7 .1 6 10 .7 9 - . 0 9 .22 .25 .42 .06 .5 6 4 .1 7 Raw S c o r e SD V 40.98 3 9 .3 2 1.66 • 66 2 .51 1 0 .5 7 9 .8 0 .7 7 •46 1 .67 z Score U .11 -.0 8 .19 .06 3 .1 7 89 TABLE X V I ( continu ed ) COMPARISONS OP n,H - SCORES OP' 3 6 6 BOY SCOUTS WITH THE SCORES OF 6 0 3 BOY N O N - S C O U T S AND OF 3 9 9 G I R L SCOUTS WITH t u p ; SCORES OF 6 0 s G I R L MON-SCO TT S G irl S coots G irl n on -S cou ts Di f f e r e n c e SI ' * d i f f t-ra tio Raw S c o r e Caln G ain as % o f oossibL e 3.01 3 .69 -.5 3 .3 6 1 . 60 19 19 0 2 0 ; Score G ain -.0 ^ .01 -.06 .0 6 1 .20 G a in as Kean D ifferen ce betw een TScore s -.11 .0 7 -.13 .15 1.20 90 category of Scouts v a lid ity of th is numbers and of and q u an titative and girl Scouts and boy crroups appear be compared procedure boys Scouts to ^ irls re ;ts and in T able ch a ra cteristics of two the the the to be of Boy com bined the gain ed G irl of these of equal d irectio n scores A com parIson may in scores related groups The aop roxim r.tely sim ila rity betw een D ata XVII. the non-Scouts. betw een and non-Scouts. on the rela tio n sh ip non-Scouts w ith general from T ab le X V III. These data in th eir of a ffectin g f a ,ro r , the the to the in form ation . prompt show betw een been w ould give was d erived a mean p red icted have the keeping been Scouts w ith d ifferen ce of of at the found th is score on for the in tellig en ce be the for th eir betw een su perior the scien ce phases of th is d ifferen ces study hold the The coefficien t of correla­ . 357« Read and in itia l By u sin g as Test an of the 34* a mean the non-Scouts. of w ith on regressio n w ould score in tellig en ce. 2.)q6 scores supe­ estim atin g and was suspected of su p eriority groups of be exp lan ation co rrela tio n a p red icted may factors an q u otien ts Scouts p red icted that from p r e v i o u s to several and n o s s e s s i o n Scouts. pr o m have le a st, p rovid in g in tellig en ce Test eq u ation , that prom ise tio n eq u ation resu lts in feren ce perform ance Read Scouts a decree, The greatest the a cq u isitio n rio r the that of The a 31*19 T h is 3.63 have w ould p o in ts in observed standard error 91 T A BL E X V I I COMPARISON OF THE SCORES OF 7 6 5 SCO'TTS WITH THE SCORES 0 1 , 2 0 3 NON- S CC' J TS Raw r Scouts N on-Scout s D ifferen ce 3) i . 6 5 32.19 2 . J.|. 6 ») i *i 5.59 SEd i f f t-rq tlo “ -r ***• — ' ■ 9.97 9.10 .37 .31 2.3l Score V Raw K .1 6 -.0 9 .25 .05 5.00 U 2 . '\l\ 31.07 1 . 37 .5 7 2.91 F in a l Score z S' 11.39 11 .8 1 -.5 2 . 37 1 .1 5 Score M .0 3 -.0 5 .13 .05 2.60 — Raw S c o r e G ain Scout s N on-Scout s D ifferen ce SSD 1 ff t-ra tio In itia l Score z si' 7.79 3.33 -1.09 . 35 3.20 C ain as P o ssib le 19 21 -2 2 1. 0 „b o f G ain z Score G ain -.0 3 .05 -.1 2 . 0? 1.70 G ain as Kean D if f . betw een T -Scores -.35 .35 -.7 0 .3 3 2.12 92 TABLE X V I I I COL' I R I S O V 0 : . RUSTI CS 0 A AND NON-SCOUT GROUPS C h aracteristic Scouts Number Lean SCO' 769 in tellig en ce q u o t i e n t ...............................................1 0 i | . P 5 Percentage scien ce w i t h him h i n t e r e s t i n r e a d i n g b o o k s .................................................................... 1 3 Percentage scien ce w i t h lo w I n t e r e s t i n rea-Cinr b o o k s .................................................................... th- N on-Scouts 1,203 99.pi| 10 22 23 P ercentage Crom " b e s t " h o m e c a t e g o r y . . . 16 6 Percentage from . . 9 7 3 .7 7.9 L ean number o f throum h t h e "poor" hone category. s c i e n c e c l a s s e s per week 6 t h , 7 t h , anu 3 t h t r a d e s . 93 of 0.!j2|-. The eq u ation was su p erio rity is p-reat as an about of to scien ce T ab le the XIX factors the suspected in form ation com m ents co efficien ts reader may of th is problem con sisted tio n several of There are testin r of d eterm in in g such in terests, of the a n a ly sis Scout the students, of alth ou gh and it the com petent such econom ic may be the of scien ce of the in stated, on v C lub home assum ed a corre­ order. at q u a n tita tiv e I4. - H the tech n iq u e. arnonc- problem The hand at the co rrela ­ common type in tellig en ce. betw een was and th is are v a ria b les ex o erien ce, social XIX p en cil-p a p er and a study. B riefly the p rovid es co rrela tio n as and the by d eriv a tio n T ab le d ifferen t in form ation the in nature tests of techn iq u e th is the by q u estion a cq u isitio n in estim atin g rather scien ce the exp erien ce p o ssessio n co efficien ts in v estig a tio n . of adequate sta tistic a l factors reported Scout and th is p rovid ed in clu d ed the to p red icted accom panied co rrela tio n regard in g understand phase answer co rrela tio n were la tio n th is An regression su p erio rity w hether a cq u isitio n 0 ” a ffectin g v:hich Several the the betw een a ctu a lly co efficien ts reports for observed q u estion m u ltip le reg ressio n th eir is w ith in form ation . through p a rtia l the v a ria b le estim ate d ifferen ce and ra ise rela tio n sh ip of The Scouts in d ep en d en t sought error ,3 0 . the enough n egative of standard for The a b ility . use in litera tu re tech n iq u es for ria b les m easured, so exp erien ce, read in g con d ition s that such factors 91* TABLE X I X C O E F F I C I E N T S OF CORRELATION BETWEEN THE F ACTORS SUS P E CT E D OF AFF ECTI N' ! THE A C Q U I S I T I O N OF S C I E N C E I N .7<’0 RF AT 1 0 N * 1 .157 . obi 3 .265 .252 5 .1 3 1 * ------- ------- .1 3 3 .1 1 * 5 .1 6 7 .035 ------- ------- ------- .257 .0 1 * 3 -.0 1 6 . _ «. _ ------- ------- ------- .000 I n t e r e s t In R eading S cien ce Books. . . . ------- ------- — — ------- ------- S cience 1. Scout 2. In tellig en ce 3. Soc1al-E conom ic H om e C o n d i t i o n s . i |. 5. 2 0 ------ 0. In fo rm atio n . E xperience . . . . . . . h •JHt- .2 3 7 P e rio d s o f S cience In s tru c tio n in 6th, 7 t h , and 3 t h g r a d e s . ■K-This t a b l e s h o u l d b e r e a d a c c o r d i n g t o t h e F o l l o w i n g e x ­ am ple: The c o e f f i c i e n t o f c o r r e l a t i o n b e tw e e n S c o u t E xperience ( l) a n d S o c i a l - E c o n o m i c H om e C o n d i t i o n s ( 3 ) w a s f o u n d t o b e .1 1 * 5 . •:t::-No s i g n i f i c a n t d i f f e r e n c e w a s f o u n d b e t w e e n t h e m e a n s o f t h e s e g r o u p s h e n c e no a t t e m p t was made t o e s t i m a t e th e d e g r e e o f co rrela tio n . 96 are norm ally len d 1 d istrib u ted th em selves to w s3 n ecessa ry g o ries in w h ich In th is in terests social be b eliev ed obtain ed sid era tio n There of these be able actin g the was a n u m erically author’ s and b iscria l Of the to 9U, and the 13Ib id ., and p. Van these p . i i t j ^ P eters cate­ were factors, read in g the factors could preferred con­ on the co llectio n a n ticip a tio n of the need of others in d iv id u a l It became orher These m ethods of t e t-ru c h o r i c resorted boorhis, o£. for turned estim atin g usin g co efficien ts necessary co rrela tio n s r " b l :ms to factors to that the co rrela tio n phi c o e f f i c i e n t , li+ 19 w i d e s u r e ad c a s e s . reported Scout c 11 . , r>. in T ab le exp erien ce XIV . and 362. 366. A lle n L. Edwards, S ta t i st 1 ca1 A n a lv s is for P s y c h o l o g y a n d E d u c a t i o n " ! ( t few Y o r k : R ineh art m s y , - of factors given t e t r a c h o r ic ,1 ^ the co efficien t use im posed second such co rrela tio n Peters In and the con d ition s, of were not treatm ent. effect eq u ivalen t. atten tio n home lim ita tio n w ith to these do o f m easurem ent. these of cases the zero of estim ate In out resort econom ic data. b i s c r i a l , 1 '" t h e the ocge of to two va lid sim u ltan eou sly are the and further parcel estim ates of sta tistic a l co rrela tio n to case p op u lation , techn iq u es de T e e s extrem e the use as the a more if in study professed In author the p en cil-p u p er represented. and through Students and C o . , . ------------------------------------ and Van V o o r h i s , ojd. c it . , pp. 376 end 3~^i* 96 scien ce inform ation cu lated by the convenient assumed of w ith in b u tion be d ifficu lt isolated from the p op ulation one year years the of into of co efficien ts, to that tion of The r ^2 co efficien ts the and scien ce r ’s calcu la ted book follow an d istr i­ been be to ta lly the or total less than or more work The w ith in b iseria l argument was ap p lied to o p co rrela tio n betw een Scout and segm ents "X6' P eters read in g from co rrela tio n d istrib u ted ...... . to Scout w ould one techn iqu e. also of d ivid in g w ith be th is have no th is m ust It p ossib le procedure stu d en ts1 social and V an V o o r h i s , extrem e the use that w ith those b iseria l r^ By those Is to ca l­ sim ilar the ca lcu la ­ r 0 ]_. and the the and w ould experien ce. it those d istrib u tio n student and of it categories. ca tegories, and unon w h ich normal two exp erien ce, of order p op u lation exp erien ce restrictio n s In correlation s a any Scout Scout Scout in to that two be total d ivid ed nrove techn iqu e. w ^uld the to rep resen tative estim atin g there experien ce may rather b iseria l means that is 16 econom ic in terest, w idespread tf-is betw een there of and Is the a , cla sses. techn iqu e two home are con d ition s, tetrach oric A ccording can be used to va ria b les If they are clear sep aration pop ulation. and Van V o o r h i s , op. The c it.. experien ce of 3^6. P eters estim ate norm ally the orip-ins p. to of two the 97 date upon the in w h ich these lim ita tio n s the on co rrela tio n s the coop eratin g use sch ools who came from the best who came from the poorest normal of d istrib u tio n of best. The d ecisio n the b e lie f that teachers, acquain ted w ith the oer to of use in extrem e th is the cases T h is of teachers the the those a poorest stem m ed more th eir and students assum ed approach are m eetin g The homes from gen eral, in id en tify cen t. con d ition to aid tech n iq u e. cent ten based asked per home the th is were ten are apt to from to students’ be home backgrounds. The the a use students' sim ila r m em ories at of the the more argum ent. w ould derree of of d erived in The <>-ive m o r e than w culd the fo llo w a in terp reta tio n a p p lica tio n of the above ch oric from r 's , the w id esp read in terest in phi author for books Scout and w ith for of and students' ca lcu la tin g extrem e resnonses a more v a lid ity the relia b le r 23 an<^ r 2i[ the the of the co efficien ts stra ig h t tetra ch o ric exp erien ce the fo llo w s argum ent. the and of in terest S im ila rly , ca lcu la ted co efficien ts, cla sses scien ce tech n iq u e estim ate the of yield sim ila r the the to rela tio n sh ip . in thereby, that these assum ed an books estim ates used aid ob t a i ned scien ce A tech n iq u e that be at b eliev ed accurate thus they arriv in g read in g o v era ll. actu al and in author co rrela tio n m arkedly To technique in terests extrem es estim ate wore th is so cial and and tetra ­ r's read in g econom ic 96 home con d itio n s. in terest r was in to be tetrach oric r In of case Scout was tetra ch o ric r from v alu es paragraph tion sh ip the two co p u la tio n . w ould valu e the the of the in tellig en ce co efficien t so low be made. p artial be of cla ss no reg ressio n two the reduced those T ab le Scout a n a ly sis factors In pa^e exp erien ce were order to c o efficien ts. of of extrem e and run srior subjected 'these r e la ­ betw een the a w h ole v a lid categories and an were the more by tech n iq u e. low . and The in stru ctio n rela tio n sh ip to low cases acn ievem cn t 9iq, tn '.s ob tain preced­ the s t ill tetrach oric in volvin g XIX, to high is of the extrem e rela tio n sh ip the the the given the in tech n iq u e have betw een to in equal com posed the and of of further other r ’s com posed adjustm ent r 's betw een we o n stra ig h t d iscrep an cy been w ou ld d ifferen ce excep tion that co rrela tio n the the ca teg o ries ca tegories the The two i f the .1^ 9. estim ate nave co efficien t degree w idesp read is phi w ou ld the .17 3* tetrach oric v a lid and .1 6 7 * co n d ition , v a ria b les d iscrep an cy the the W ith the eq u alled was factors, tetrach oric .1 9 8 , co efficien t a these straigh t cla sses been two eq u alled W ith home phi categories The have h a lf. the the of co efficien t stra ig h t have f'irst cla sses and the the betw een If phi w id esp read w ou ld extrem e estim ate work the booir, the .2 6 3 , of betw een d iscrep an cy scien ce of f rorti w i d e s p r e a d r ing case .3 1 3 , tetrach oric The the read in g found the In the m u ltip le estim ate found w ill to of the be: 99 Scout E xp erien ce . 0L|_2 In tellig en ce S ocial and R eading The p erien ce z e r*o. or and T h is more of in clu d ed the p a rtia l S cien ce home to w ith assumed be w ith books It or to for each of the The v a riety order p artial, of the factors item s the Scouts on two o f nee ex­ equal to one who year were a ssociated the Read w hich can w ith Goneral r a w s c o r e s d v s n t a ~e in te lli that lend did rep ression used n errit prim ary co efficien ts w eip h ts were net actin'* not lie these ^ u s t be w ell be and a p r o a t e r c o n t a c t p artial th em selves the factors not rela tiv e ?65 that ex clu siv ely factors noted net r's su b sta n tia lly the not the tech n iq u es was w h ich to estimate of of Scout s c * c." - e . be purposes are anrarent other do .023 for in terp retation was su perior should P red iction the study about co efficien ts second to T heir a ssociated to con d ition s resncnd T est. C on d ition co efficien ts exp erien ce +h i s T'o,v e .222 regression Scout a b ility E conom ic In terests ^eads in .514-1 of in clu d ed the in to rep ression use for p red ictio n percentage of association ex clu siv ely of the in the d eriv irr m easures m otive m; r>y b e of zero equal th is used suspected th is of a* others. and v a ria b ility study. an estim ate cou trib u tin r study. These 100 D1 f f e r e n c e s The be data seen ccncernino; that scores are ences are as lead to ence As of all so Iq. —IT a n d 126 boys further the on non 3 l| . 0 7 mean score appear in 1|-H C lub in when the factors Head Scout w hich w ith eq u ally groups. the is were C lub n-roup. in itia l mean score be n w hole mean score ten ta tiv e exp erien ces equal con sid ered . enjoyed in tellig en ce an for he r non that It that Pound p o in ts. of the Iq-H in itia l mean ‘" i r l be was the score hi for her T h is and usinv 1. -TT a n d the qu o"len t By It to tc boy the In form ation . o '1 t h e was among found rela tio n sh ip s nee answer Jq-H '’ i r i s . in tellig en ce in tellig en ce q u otien t the sci to sig n ifica n tly d ifferen t of to In itia l in terp retation and’ a c q u i s i t i o n c o m p a r at i v e th is d iffe r ­ q u estio n d istrib u ted h -H and errors factor the a b ility were p ra ctica lly d iffe r ­ real the to There the a was d irected correlated in that next is The These can p op u lation . exn crl-n ce is T est " iris total 3 3 * 5~2 p o ssessio n group. is was C lub pain there ) p- T! ' " i r i s the and that The to fin a l, in terp retation n o n U-II b o y s . lea d s It standard !j.-TT C l u b ' in itia l XX. th eir the the T ab le w ith of than in in itia l, the a tten tio n 2L|9 C l Tib e x o e r 1 ■: n c e s . com parison case observed was in of groups the and boys rnu3 t such other the ij - H the con sid ered , item s factor favor larre was the th is w ith. kzll d ifferen ces in to w hether the the betw een bein~ a ssociated ’ -I; n o n I4. - H Club su p erio rity the crouns group of p rev io u sly as 2.31 101 T A: .-t .'i I ^ wl t h c t : k - H CL TB L X P F R l ^ T C L In .itia l R aw S c o r e z Score T/ tv SD ! - T: C l u b 3 ' ! .-"co 9 . 60 .16 N o n - k H C l v ’b D i f‘f e r e n c e 32.7b 9.51 - . 0 J4 1 95 . 5 :; 3.57 :’T,;d I f f t-ra tio . Ra w S c o r e C ain 3-H Club 9.02 N o n -k -H C l u b 3 . 35 D ifferen ce .67 iff t-ra tio -71 .93 .0 9 .1-1-0 .22 .20 . 05 1: . 0 0 G a i n a s 9; o r P e u c i b l e 0- a I n 22 20 2 1 2 .0 0 z Raw F in al Score z SD 1 3 * .’2 31.1.0 10.3-5 10.90 2.6 2 .5 9 -.k b . l | ’i ii.k k 1.02 Score 1. .2 0 O 1 i .' 1 ST j s c o n . ,3 o n 3 7 5 s t u d s s t s w i t h \’CE WITH T ’7L SCORGS 0 7 1 , 7 9 7 • C0: P i R I S O N CF r k - R CL tb 12XPER' . XX .2 5 .0 5 3 .3 2 Score G ain G a i n a s Ke a n D i f f betw een T -Score s .0 3 -.0 1 . 03. .09 1.00 .25 -.06 .31 .31 .76 102 in terp reted assum ing regression a ll w ould h a v e oeen made a mean mean score The p red icted observed Scout unnecessary to no m arkedly non 4-H Club of T h is very factor o v era ll to the the on the the was 34.70* associated econom ic ex ceed in g ly T est; eq u ality and of the low suspect w ith thus con d i­ in d ep en d en t it of was and these 1 actors d istrib u ted deemed of p eriod s co rrela tio n that Scout d istrib u tio n number have in itia l home low it w ou ld The betw een these of there w ould the gap betw een in th is gain the study two groups be 4-H w idened d ifferen ces were com posing du rin g not the and th is group. plu s rela tiv ely co rrela tio n ol was the and the fin a l same scien ce scores h igh (.7 2 8 ), in terp retation in form ation in form ation prom pts may b e through possessed ^ rior y e a r ’s enough beyond the the great g en era liza tio n s a cq u isitio n in s tr u c tio n . 3 4 .4 7 , head show group relia b le that of of and and groups. in itia l in feren ce made on show in terests students in stru ctio n , perm it check C lub Test groups d istrib u ted , 4-h so cia l d isp rop ortion ately A lthough sam ple scores reason the group the in stru ctio n known eq u a lly d ifferen ces that H eading scien ce the Tor m a tc h in g be head exp erien ce w ith factors. for to that the of showed co rrela tio n was on a n a ly sis and p rior factors score exp erien ce tion s other techn iqu e the to to betw een the the made of n in th the the grade y e a r 13 as 103 V. r I F F E R E d C E S I N ACHI E V ■i N T A S S O C I A T E D WITH D I F F E R E N C E S I N HOFK EACKOROHND D tfferencea home in b a c k g r o ’ -nd s , T ab les ing in XXI one one the of these form these p reced in g these D ata home he home five i f he had th is was on spent id en tified as as in two corain^ b elon g­ personal p reced in g If city reported the ca teg o ries. data w ill have tc be in terp reted p rev a ilin g atm osphere of the rural of Illin o is. In few respects cla ssified in the city C entral who may hove be the same students in the study, bed'^round w ould in d u strial have in five years parts of or more from case students d iffer from those gory should in of the In the nat r e os considered as of a in of a m ixed coruino home students tra n sitio n the area students be expected by the from of the Illin o is com posing lig h t in th is surrounded th eir city c^n category C entral students d esign ated cla ssified be area in in flu en ce exp erien ces an en terp rises. w ell and are cla ssified the been and background. These so factor was spent had v illa g e , reported background years he ru ra l, A student groups that categ o ries w ith regard in g and X X II. of in fo rm a tio n in a ssociated area as the to city p u rely and esp ecia lly sam ple rural for th is homes m i m h t experiences cut the "roup v illa g e betw een cate­ rural city . If the arb itrary t-ra tio of 3 .0 is to be m aintained 104 TABLE X X I COMPARISON OF THE I N I T I A L AND F I N A L SCORES OF STUDENTS WITH RURAL, V I L L A G E , C I T Y , OR MIXED HOME BACKGROUNDS Raw S c o r e s Rural M SD F in a l In itia l D iff SEdiff t-ra tio 43.10 32.22 10 .88 .40 27.2 10.39 9 .65 .74 .37 2 .00 V illa g e V. SD 42.42 55.64 8.7 8 .51 17.2 10 .10 9.95 .15 .46 .33 M ixed C ity M SD 40.87 33.18 7.6 9 .26 29 .6 11.15 9.80 1.35 .65 2 .08 K SD 42.06 35.48 8.5 8 .4 5 19.1 10.80 8 .4 0 2 .4 0 .39 6 .15 z Scores F in al In itia l D iff SEdiff t-ra tio Rural M V illage M .14 -.0 9 .23 .04 5.17 .08 .05 .03 .05 .60 C ity -.0 7 .01 -.0 8 .01 8.00 M ixed .04 .04 0 .0 .04 0 .0 105 TABLE XXII COMPARISON OF THE C A I N SC OR ES OF S T H D J T T S WITH R U R A L , V I L L A G E , CI TY , OR M I X E D u 0 i E BACKGROUNDS D ifferen ces B etw een Ru r a l V i l l a re D iff. 3Ed i f f t - r at to .23 .03 .20 .06 Mean Rur al . o3 -.0 7 .1 0 .05 2 . 00 Cl t v D iff. SEd i f f t-r a 1io C ain Rural C ity 0.0 VIII a r e .03 MI x e o D iff. 25 13 . 72 -.7 1 1-5 3 . 5U 2 . 65 as Per Rural F ixed In itia l Rural C ity .23 .06 3 . 33 I ean D if f eren ces Rural 1 . 9 ’t .72 V i11 ar e 1 . 22 Di f f . . 61 S E d iff t - r a t Io 2 . 0 0 7111 ar e C ity Di f f . 3Sd i f f t - r rat i o one .23 Mi x e d 3.33 VLI1 are R u ral 25 V' a ^ e 21 D iff. ip SEd i f f t -ratio 1 F in al 0 .0 .03 .0 6 - z Scores .23 .o ? . 30 .06 6 . 00 C ity Mi x e d Di If. . 5o - . 0? 0 .0 -.0 7 .0 5 1 .LjO B e ; t w e e n I n d i v i d u a l Jl ^j - Sc or c _3 R u r a l 1.9URural 1 . 9't Mi x e d - . 1 5 C ity -.71 2.09 2 . 65 . lj-2 .5U 6 . 30 3.3? VII1 . Iv i x e d Cent 25 21 .72 -.15 . 37 . 63 1 .35 of C ity MIxed fa in v , are Cl tv -.7 1 -.15 -.5 6 . ]|6 1 . 22 P o ssib le 21 V ' s r e 1 3 f- i x e a 21 C i t y 13 21 I i x e d 2 1 7 U- 3 0 3 2 .3 h 1 3 1 It o 106 s the he te st of amount in th of grade orue scien ce students backgrounds x rla in ed as sim ila r mount grade to uxed ire There home 5ne a in m ore the be than hundred of b ein g of in than c ity ap p roxim ately w ith and the stu dents w ith students v illa g e to the rural tnose n in ety a p p lica b le of rural rursi the be w ith end the the o f can v a ria tio n s. the that of those g en era lly at students gain s and m i x e d co n n ection of doubt city The greater made in en terin g w '.’ ch sam p lin g com p arison the by c ity , those possessed l i t t l e backgrounds. p ro b a b ility than be d ifferen ces possessed chance -u st the v illa g e , greater in form ation can su ffic ie n tly ru ra l, accom pany except gain g iv e no to scien ce students. ,end from are apt sig n ifica n ce, in form ation in terp reta tio n of u.n th to s ta tis tic a l students chances n in th in grade 3 o p u la tlo n g . The score, standard in it ia l co rrela tio n in d ifferen ces b by the cate sim p le the fin a l, the groups. have d ifferen ces been The standard d ev ia tio n s thus ca lcu la ted tiv e ly estim ated . excep tion of between w ill o f the to bhe d istrib u tio n s be , rh ? e other the mean ca lcu la ted 3D*s of in d i­ the standard considered in te llig e n c e , the for been w^U i r e T -sc^ret, have for errors have z betw een corrected in d iv id u a l T -sco res / n Di ;5Ep form u la Si i _ V 7* ~ ^ 2 . d ifferen ces the the tw een errors W ith for and standard individual errors as conserva­ factors 107 corelated assumed w ith to be categories. these s t i ms were rural 136 v illa g e 979 city 173 students of found the to be found to are betw een the the d ifferen ce Read T est. to the com parison of to all groups, changes W ith no Tor 1,5 20 and oaue 105* years m e and v illa g e eq u ation and w ould the ^ive occur None decreased of below associated w ith the author of th is teachers he had school of * in s 1 . 0)4 of the is By for m atch­ v illa g e n oin t . l'rp qu otien ts groups. one group for a mean ap p lied not only students but also in the T able the * d ifferen ce the »9i l *1.20 range technique rural data the test adjustm ent v illa g e from Di f f e r e n c e s w ith in should th is made or in tellig en ce app roxim ately in terp retation s beyond mean The regression the XXII, the rural of are background 1 0 1 . h.2 S E backgrounds errors. on pu b lic qu otien ts or ac t i c a l l y advantage w ith home l O O . l p q SE betw een a p redicted the 'Test be: w it h m ixed standard th is D uring the Head s t u d e n t s ......................................... 1 0 2 . 6 5 BE groups ing in creased among the s t u d e n t s ...................................................... 1 0 1 . 7 5 SE of T able to s t u d e n t s ap p lication groups, respond in tellig en ce d ifferen ces four to d istrib u ted The mean ?-3>br the ab ility equ ally students The of the d irectio n s XXI, t-ra tio s the th esis often w ould accepted " b e a f and page of IOI4. , be value of 3*9. "p o o r e s t " h o m e s . has heard been associated students 100 being referred connotation made type of to in th is to homes were 233 and 167 in were from category* In itia l "best" D ata T ab le the groups if the total There betw een and fin a l sta tistic a lly been in itia l the con sid ered . .27 140 that had that The home T h is lor teachers were groups m ind the d ifferen ces for 228 appear in character w ould be d ilu ted Included* d ifferen ces in b iseria l valu e la tter " p o o rest." these In the ob tain ed the an war fin al* both the r if found ex ist on gains the Is ca lcu la ted estim ate con d ition s the in categories p iovid es con d ition s* the d ifferen ce The home were A p p aren tly real "poorest" study "best" keep been the the from the th is of th is from from sh ou ld doubt of com ing students scores cla sses and as in l,b l6 students* scores and sig n ifica n t. scores th eir fin a l group factor used " p oorest.'' scores. of en ro llin g group of rea lize value had sch ools use attem pt students. and w idesp reau An background reader these achievem en t* of the sig n ifica n t home id en tify and a the and no bore w ith to The be homes in v estig a tio n m ajor to "best" test the th is d istrib u tio n can the that id en tified regard in g of im p lied school poor th is the home XXIII* or estim ates h esitan t the good of the the more of from students* of in p rovide O rigin ally or phase teachers stuaents able corning the evalu ation The 1,9 7 2 as expressed relation sh ip was to the to These of the total be are .26 in itia l not from fu n ction al group for the sig n ifica n t. 109 TABLE X X I I COMPARI SON OF THE I N I T I A L , F I N A L , AND G A l N S C O R E S OF STrTD,; :T3 FROM THE "563':'" INF "POOREST" HOF e-S Raw M In itia l Score z SD ’’ B e s t " h o m e s 3 3 .3 5 " P oorest" h o m es29.95 3 .9 0 Di f "erence .9 5 G E dirr t-ra tio 9 .3 7 9 .5 0 3 .5 0 1 .no . 6? 1 . b c. Raw S c o r e G ain " Be s t " h o m e s " P o o r e st" homes D ifferen ce GEd i f f t-ra tio 9 .5 0 3. 22 1 .2 3 .3 3 1 .5 5 F in a l Score z SD Score M Raw K .53 14.3.35 3 3 .1 7 1 0 .1 3 1 .0 3 9 . 1(2 33 .9 1 .11 3 .2 7 G a i n a s ;S o f G ain P o ssib le 2b 13 3 9 .3 9 z 10.35 1 0 .0 5 .25 .77 .3 2 Score G ain .0 3 .01 .02 .0 3 -25 Score M . 61 -.3 2 .93 .11 3 . I1 6 G a in a s Mean D if f . betw een T -Scores .39 .9 2 -.0 3 .7 9 .ou 110 The standard errors K < 3T T sim nle "orm ula 0,c* Van V o o r h i s " ^ estim ate of next equal the trib u tion s the on th e of the 17.30 and found the 13.15 have of resp ectively, as ea rlier in equation groups d erived can nav'.. be been whose mean standard error of A mean estim ate students in were the for score would "poorest" 33.35 lY Ib id .Y ~ p . p red icted estim ate .30 of have home and 2 9 . 9 5 391. it, caL c u l a t e d . the A for in tellig en ce in itia l of from th is 153 q u otien t th is 29.73 been w ith standard and score 1 0 7 .52. w ould The for the for of home a standard pr< d i e t e d scores means "best" n red iction category. w ith th esis was d is­ and in itia l a rely in r ored icted \ean the two by In ean group the Read reported success a "poorest" in tel 1 ip en ee Test un­ categories. to d ev ia tio n s of w ith "poorest" was atten tion p o ssib ility betw een students valu es calcu lated . correlated ana standard con servative correlation 3 7 . 61l w o u l c of the factors 1 0 " ’. £ 2 so e the and in v estig a tio n , of group by P eters gives r ’s th is "best” and .03- estim ated two . 63. of the of q u estion other ca lcu la ted equation of "best" w ith when eq u alled errors betw een beinp estim atin g the t— r's th is the q u otien t 97.30 r pattern to connection mean o f on the Test in tellig en ce “ that d istrib u tio n Read these standard d irected on t h e th is 1 in fer C ontinuing is for the The be error 99 observed errors of .63 and I ll .7 1 resp ectiv ely . H ie apparent su p erio rity shown the by by the the reported group per cent reported betw een by two factors. T h is tween the la tio n no th eir scien ce Test is that reported the to con sid erab ly be overlap p ed sim u ltan eou sly enjoyed by 131 The mean .001 the T h is teachers v;ith a the that of the th eir categor no im p lica tio n r betw een co rrela tio n error a degree .0 3 home whereas im p lies standard or m inus and books T h is estim ated co n d ition s "best" tetra ch o ric im p lies plu s the scien ce ca teg o ries. of T h is home in T est elev en the the of the ex ists in terest be­ corre­ ietw een as in the of of students the betw een together of were the th is w ith the sixth , reported favor students "p oorest” category con cern in g through numbers co rrela tio n head in q u estion in stru ctio n .8 9 read in g in the estim ated read in g books. and the two be students in terest. valu e than classroom T wo h u n d r e d gory to greater in techn iqu e .0 0 9 . so cia l-eco n o m ic the "low" the the factors ap p roxim ately of in terest supported of head in tellig en ce cent was to home in per " h igh ” d ifferen ce by the fo llo w s group. h igh teen 20 on "best" su p erio rity in terp retation the of 8 .6 7 9 .6 0 and w ith achievem en t of the of eigh th category. sm alln ess u sab le p eriod s and and "best” cate­ p rovid ed seventh, "poorest" factor the number in scien ce grades. the The on answers d ifferen ce low the d ifferen ce 112 betw een of the m eans determ ining the amount of p rior scores of the there is the two groups ore elu d es p red icted effect the in stru ction "best" and a d ifferen ce exp erien ced by chances low be of are found in the (l£ other in have "poorest” in two w ould the groups 100) sam ples on of a the in the Read the Test in stru ction th is sim ilar drawn from in A lthough p rior in clu d ed that n ecessity d ifferen ce groups. amount the study the d ifferen ce n in th w ould grade popu- 1 ation . The d iscu ssion p rovid es further associated The "high" about "low" seven on have The wor di ng books through 99 of th is in terp reta tio n of d ifferen ces d ifferen ces based the in home of rend this v; as to have used in the i r Individual te acners students in on th esis background if - me n t i o n the con d ition s. the scien ce p os t peeved categories scien ce exclude rre-ntnth 'rr a d e and students form . books two to books rep lies Inform ation students their the students* an;/, during in read in g the personal b o w rna n y , you of in terest was ren d s — "About in ten t the cla ssifica tio n scien ce scien ce the in 96 1.' 17 FURh ;iCES A330CI IT ED h T > I I Fi'ERENT DEf-REES OF INTEREST IN REAtINO SCE'ENCE BOOKS and number aid w ith VI. on p a g e s be or science q u estion books three books Q uestion T h is faulty. a; v snd to or of about years?" The science text­ classes. differed in their 113 in terp reta tion spnears to of have the q u estio n been to but in clu d e the general scien ce pattern textbooks in the e stim ate* Those scien ce books category four of were An cant the students or books "low ” in d ifferen ces the enough by tiv e of in in terest in in terest of lin e , category mean mean T h is adjustm ent, of observed. scores other was scores the errors raw i f of "high" the more shows in terest term s of raw than s ig n ifi­ group score on ra in the d ifferen ce was ^n favor the d ifferen ce alm ost great p a < Te s 96 sclen ct on the Read T est even was of w ould of w ould oif^ eren ce .3 0 of when elim in a ted . q u otien t the was reported degree groups estim ate as it fair for q u otien ts 99 a factors and through books retain ed for ap p lied , score in XXIV in tellig en ce lO Li.05 in tellig en ce standard p oin ts study in itia l w ith on th is mean placed sig n ifica n t. read in g the no reported T ab le In in several who or in w ith th esis w ith were one category. p o sitio n group th is students same these rank read in terest the scores. s ta tis tic a lly be co rrela tio n d icted of to overlap p in g th is favor fin a l Those data in terest that the the havin g scien ce "high " "low " E a rlier shown of in and about the in sp ectio n in itia l reported in terest. p laced and m a i n t e n a n c e of who for "low " th is be and 3^ .33 .3b and "high" Pre­ w ith 33*^2 resp ectiv ely . resolve on ly of p oin ts 7*9-3 the and the A long 1 02.30* size p o si­ about 1 .5 o ririn a lly l l h TABLE X X I V COMPARISON OF THE I N I T I A L , F I N A L , AND C A I N SCORES OF ST ■T! 33 T 3 WITH "n . l OR" AND "LOW” I NT ERNST I N READI NG S C I E N C E BOOKS Raw k In itia l Score z SI3 3 1 . 1 2 1 0 . 70 3 1 .35 3. 3° 5 . - ’ 1 . 11 .7 1 3.67 3 . 29 "H i^h” i n t e r i i s t "Low” i n t e r e s t DI ' ' f e r e n c e Q*rT* J^di f f t-ra tio Raw S c o r e Gain ’’ H l r - h ” i n t e r e s t . "Low” i n t e r e s t D ifference siCdL r r t-ra tio 7.91 1.73 - • "}7.3u . 60 1.2.5 F in al Score SD Score M Raw I; .51 -.1 3 . 69 .07 ■■. 3 0 1+6.10 1 1 . 2 0 [4.0. 0 1 E J 4 6 6 . 02 • 7) L .60 . % 7 .1 6 1 .2 3 G a i n a s i'a o f C ain Pos s ib le 22 20 2 1 .3 1 .1 5 z Score 0 a in -.1 0 .014 - . 1<4 .05 2 . 30 z Score M .1+1 - .11+ .59 .07 7 .36 G a i n as I e an D I f f . betw een T-Score s -.9 9 .5 3 -1 .5 7 . 51+ 2.91 113' The in two respect reported The groups to the through " h igh ” whereas ence in to r 5 .0 3 tion and w ith a scores on the the overlap p in g p eriod s Thus of n in th in terest to form , refers the error Read of . 02, that T h is the on is scien ce the way to ex ists Read of the or so .in stru c­ .13 over­ and elim in a tio n for the number is a and sig n ifica n t w hether the th eir about personal of . 21. betw een books scien ce The low , lit t le that le st and *35* in terests w ith im p lied in terp ret textbooks no b iseria l read in g p rior is constant books d esign of read in g r held is d iffer­ am ounts The betw een there p artial the .37* however, w ith co rrela tio n read in g scien ce r and cla sses 9 .7 9 The proup of is, of I4. . 7 6 . p erio d s betw een T est. students no of grades. number cla sses Test in stru ctio n in error cla sses eig h th a mean in terest number sig n ifica n tly scien ce and scien ce in terp retation grade is p rior the of reported w idesoread . 2 l\. a n d a defect to standard ex clu siv e there group a p rior in "low ” w ith Read the reported co rrela tio n is of f^roup of d iffer seventh, "high" on to number the betw een on total of number standard observed sixth , u sin g scores lap p in g Due by and co rrela tio n of the favor ca lcu la ted degree the cla sses in terest mean in terest cla sses is were perform ance reported scien ce. in form ation th is °ictio n . co rrela tio n 116 V I I . D I F F E R E N C E S A S S O C I A T E D WITH D I F F E R E N T AMOUNTS OF S C I E N C E I N S T R U C T I O N THROUGH TH:„ S I X T H , S E V E N T H , AND E I G H T H GRADES The In the data students* together w ith in form ation hav'' each Seventh a week Of but by 1 ,9 7 3 u sab le answers the the scien ce was of to these in in the rolled , scien ce the rep resen ta tio n Read the grade? ____ data a ll the of T est personal d id w ith in on the on The on ly o rig in a ted cla sses six th _____. " not rr a d e s did was were The whom p erta in in g had p ieced that rem ainder they of you thus of the lim its students* what q u estio n and co n stitu ted you a have grade i f the reg u la r the and the number for the to answer student* s w h ich textbook?" reported in d ica ted or papers q u e s t I o n - - ” In scien ce of d iscard in g marks un able d iscard ed student then fin al p rovid ed q u estio n v, t w e e n to to and reason were those d iscrep a n cies a p a rticu la r 1,<393 predom inant waj d ecla red In itia l ob tain ed , students of above from q u estion other The cases the T est the some A d iscrep an cy cla ss in on q u estio n in terp reted th eir cla sses. that represented to scores the grade? students Head q u estio n s. answer on to factor cla ss. the in d ica ted be fin a l were E igh th to th is how many you h avin g also on oapers w h ile have scores o rio r rep lies ____ im posed scien ce and f o r m - - ”About w ill m em ories con cern in g in itia l th eir grade? acquired tio n s reported no h avin g scien ce used 117 a scien ce textbook through As p r e v i o u s l y w ill have face valu e. may b e to be The gaining? or number of to nin th the citv ed and of a degree of th is rela tin g some of co llectio n of these concerns to cla sses prade. of gain D uring received by rep ortin g it these in stru ction eigh th trades. P rin cip als current eigh th nin th number ^rade grades m ight p r o g r a m s made in d ivid u al by of in often during than to teachers, often the reflec t­ actual seventh th eir taught th eir seventh, adjustm ents adjustm ents and and that that sixth , the p rior sixth , scien ce the due too im plied of d istrict im plied the in encountered estim ate w ith rather confidence data. students often through error in d ivid u al teacher's by th eir however, d ifficu lties classes students be orig in a l o fficia ls d esirab le at observations a relia b le was students a n a ly sis, the the the purposes conferences scien ce the of the experien ced of of ren lies sta tistica l su perin tend en ts statem ents the the for attem p tin g reports amounts by the scien ce school annual to first grade. in terp retation en ligh ten ed made p u r s u a n t in in ferred , accepted The that in terest in and d aily reflectin g in teach in g scien ce. O b servation s may be in d icative students' m ation rep lies of record in g form to renorted the of q u estion s. the q u estion by some of con d ition s th eir w ich reo lies Students the to classroom accom panied the reportedly; concerning ^rio" teachers personal tended scien ce to the in for­ compare cla sses. 118 P iscren ancies were often sch ools Rmonr the exp lain ed or m issin g as data reported students w ith from per through W ith the XXV r a n g i n g apnroxiraately to to 2.75 a six th , a for total Is the fifte e n to another* 1 ,1 9 3 cla sses grades. reoorted su ffic ie n t or scien ce betw een class changin g from eighth m eans same reason drawn and d ifferen ce o o in ts one of these in students XXV w e r e seventh, of .6 5 , students In d ivid u al T ab le errors around of cla sses In zero the standard due scien ce The week re p lie s in m eans reach T ab le of s ta tis tic a l sifl-ni f I c p n c e . The num bers of the n on -regu lar of rrlo r scien ce co rrela tio n tech n iq u e to in crease test ra tio the in moans w ith cla sses nroripted and use the lin e a r ity of of the In creasin g the the ca lcu la tio n en silon -sq u are rela tio n sh ip and the -| ^ sirn i^ lcn n ce of the co rrela tio n . orovid ed tab led valu es per le v e ls of cent compare a that cou ld tio n when the used in scores the of be true w ith Is one .at expected the Ib id . . of pp . k-1 per on the were equal cent 9)-|- 9 7 - These w ith co rrela tio n students en silo n -sq u ere .011 ra tio ca lcu la tio n 1 ,3 9 3 ep sflo n -sq o o re co n fid en ce. co rrela tio n tio n of P eters the the is and at b asis EQro. of to lev el 7 The and of five can of and used one to co rrela ­ flu ctu a ­ colu m n s ra tio ta b led h -1 be chance E igh t co rrela tio n used. the valu es decree Van V o o r h i s e jual con fid en ce. and the valu e to were of 1,000 The 119 TABLE XXV COMPARI SON OP T H E I N I T I A L S CORES O P S" T E ^ . T o ETTH V A R I O U S .AMOUNTS OP S C I E N C E C L A S S E S THROHOH THE S I X T H , S E V E N T H , AND E l IHTH T R A D E S T o t a l Number o f C lasses R eported Lean N V SD 3E]v) 0 - 1 311 3 0 .7 5 3 .5 0 P - 3 lh 7 31.03 9 ,90 ' - i' 203 33. 514- 9 .3 9 6 - 7 133 3U .33 9 .6 9 3 - 9 189 3^ .93 9 .19 10 -11 219 31+.U-J 9 . 30 12 -1 3 1"° 3 ,i U - 2 9 .2 " 11+ - I S J}57 33.50 9.3 5 ! In tellig en ce Q u otien t N IQ 21+3 101.1+ • >= 31+ 1 0 r .1 . 6? 17i + 1 0 7 .2 159 1C 2 . 6 • 67 I I 4.6 1C 2 . 3 • o' 1. 1 - 1C 1 . 3 f.fS 1 ’; 2 ^ 22.1+ • US 303 1 0 2 . l\ P e a r s o n P r o d u c t - T o m e n t r b e t w e < ;n R e a d T e s t S c o r e s n n d N u m b e r o f S c i e n c e G l o s s e s ..............................1 3l+ SE = .02 C orrelation R atio, corrected for ssn o le siz e and n u m b e r o f c l a s s e s , b e t w e e n R e a d T e s t S c o r e s a n d N u m b e r o f S c i e n c e C l a s s e s ..............................1 7 SE r .02 120 ensilon -sq u are value a degree of Test and the The product-m om ent . I 3 I4. w i t h of a at scores are ship than betw een grades In five the ca lcu la tio n p rior of the tab u lation s on through the sixth cla sses per week that grade. attem pt occurred to Read eq u alled ep silon -sq u are T h is value confidence if test is sig n ifi­ only one hundred that scores and the reported total the 3ixth , seventh, and the above ju stify 1,000 that the enough, co rrela tio n w a s r ua de in stru ctio n . For grade that were may chart treated have been XXVI r e p o r t s estim ate T'est in clu d ed of con sid eration through enough great factors The of the in co rrela tio n T ab le Read students no the by h ig h e r to these .009* lev el on classes* .0 2 . of scores in d ica tes there rela tio n ­ number eig h th lin ea r. recency an the w -ich follow s through r, in of ,025 in terp retation chances nroduct-m om ent eirh th The be scien ce betw een cent Read T e s t to betw een a valu e used. cla sses is r error per been scien ce p rior rev ea led five had less of standard the observed rela tio n sh ip number lin ea rity cant of real was the scores the but three of grade These to prompt an w ith through data to d ifferen ces in however, per tends beyond study. cla sses recency. g en era liza tio n s th is the the the and rela tiv e in Id en tica lly sortie o f the the exam ple, reported effect eigh th of ratio week three the gathered In stru ctio n be acconroanied are not sarm le great of d iffe r e n c e s w ere in v estig a tio n of the 121 TABLE XXVI COMPARI SONS OF THE I N I T I A L S C OR E S OF GROUPS OF S T UDE N T S D I F F E R I N G I N R E S P E C T TO THE GRADE I N WHICH P R I O R S C I E N C E I N S T R U C T I O N HAD OCCURRED Group N U 80 30 .25 1 0 .4 3 1 .1 4 C la s s e s In Grade o n ly 68 32 .1 9 9 .7 5 1 .1 8 S cien ce C lasses in E ig h t h Grade o n ly 128 3 3 .5 5 9 .6 5 .85 S c ie n c e C la sse s In S i x t h Grade o n ly S cien ce Seventh SD SEm S cien ce 6 th and C la s s e s In 7 th Grades 68 3 1 .9 0 9 .5 1 1 .2 0 S cien ce 7 th and C la s s e s In 8 th G rades 550 3 5 .7 7 9 .8 5 .27 S cien ce 6 t h and C lasses in 8 th Grades 18 3 1 .9 0 9 .3 5 4 .8 8 a ll 1423 35 • 59 9 .7 0 .2 6 S c ie n c e C la s s e s in none o f th e Three Grades 318 2 9 .3 0 9 .4 0 .5 3 S cien ce C lasses Three Grades In (These d a t a were c a l c u l a t e d f r o m the total group of e n t e r i n g n i n t h grade students. This Included those w ho were taught science t h r o u g h the n i n t h grade as w e l l as those who were not • ) 122 effect of w eigh tin g A random sam ple phase th is of test the the seventh by by per 200 study prade by Thus treated , week through a total grade week a total each of whereas week of students 200 paper at sam ple eq u alled .1 2 6 ; sam ple in fer that of found XXVII. for of show a d ifferen ce sig n ifica n t the of = The sig n ifica n t of the scien ce the Read Test students w ith varyin g test scores. standard errors ap p roxin ately d ifferen ce betw een 3*0 of is these w ith of the from can th is th is be asso cia ­ cla sses. or erd-of-year am ounts sim ila r data the and answers from fin al are These cla sses usable r as su fficien t m eans. of to appear m eans as the id en tified resu lts w hich to seventh, d ifferen ces orior h an d led eig h ty -n in e p rovid ed .0 7 . eig h th be three product-m om ent rela tio n sh ip s in itia l Wi t h The betw een groups in stru ctio n no recency D ifferen ces scores hand. 3E hundred reported cla sses p rior be to the five the a used the w ould reported w ould sam ple was cla sses scien ce eirh th w ith through grades through One of rep ortin g in who 7U) through none cla sses. q u estio n the cla sses the (page reported three student through the the cla sses. con n ection number student six th , the w ith of a the tw elve in a scien ce number the number th irty through ner the the one, of in ea rlier o f m u ltip lyin g sixth number drawn reported three. three ted scores and n in th to reported tw o, havin g per of effect throurh the p rior those in T ab le renorted, to show a 123 TABLE XXVII COMPARISONS OF THu. F I N A L SCORES OF STHDil HTS WITH V A RI O US NTTKBNRS OF S C I E N C E C L A S S E S THROUGH THE S I X T ” , S E VE NT H , AND EI GHT ■’ C H A I R S N M SD sen 0 - 1 311 39.27 1 0 .5 0 . 60 2 - 3 l >+7 UO.OO 1 1 .7 0 .97 203 La . 60 10 . 70 .75 6 - 7 189 Ll? . i 5 10.95 .30 8 - 9 189 ^ 2 .3 0 1 0 .7 0 .7 3 u\ i T o t a l Dumber o f C lasses R eoorted 10 -11 219 U2.70 10.23 .69 12 -13 170 14.3.90 1 0 . 20 • VV 1 1 /|. -In l \ S 'f 14.2 . 1 0 1 0 . 65 .5o Product-K om erit r b t t w e e n Reed T e s t S c o r e s a n d N u m b e r o f S c i e n c e C l a s s e s ............................................... 0 9 SE s .0 2 C o r r e la tio n R a tio , c o r r e c te d for sam rle s i z e am] n u m b e r o f c l a s s e s , b e t w e e n R e a d T e s t S c o r e s and l u m b e r o f S c i e n c e C l a s s e s . SE .02 .12 - 1214The decrease in betw een the T est is sig n ifica n t tio n betw een tio n . in itia l Thus betw een tio n the co rrela tio n that if fin al the for r*s the to that fin al errors te s t standard of co rrela ­ in to of the A sim ila r the Read the scores betw een r the take error .O la . d ifferen ce be the number test chances of rev ea ls sig n ifica n t rela tio n sh ip reported product-m om ent a d m in istra tio n s eq u alled the the con sid era­ d ifferen ce in terp reta ­ in itia l and fin a l ra tio s. .120 the of standard and er> s 1 1 o n - s q u a r e of further* and in itia l two fo llo w s valu e valu e ca lcu la ted , these The the are le s s betw een p rior at the the one per than one in these scien ce co rrela tio n Read cla sses ra tio cent one lev el and hundred T est scores and is lin ea r rela tio n ­ a the sh ip . E stim ates variou s and numbers eirh th XX VIII. made of An the mean of raw the fin a l the raw scien ce may be gain s gain s to scores and expressed are and due fin a l expressed the data the been fin a l proups of through from these have by cla sses through estim ate in itia l made made of gain s in itia l d iffic u lt betw een gain s in sp ection betw een errors the of trades sig n ifica n t tio n are of show3 corrected Read the data year. T est the scores. the action score.:. of -"ain T ab le group for to per each in standard cent the reported w ith seventh, The per as sixth , that as test students errors co rrela ­ The standard P o ssib le of co rrela tio n If the cent of In itia l the total and 125 TABLE X X V I I I COKPAH I SON OF THU KKAH DI FF ERUNCUS h h t Im UF; I N D I V I D U A L F I NAL AND I N I T I A L . T - S C C R I . 3 OF STUDENTS H T ' ! VARIOUS NUMBERS OF S C I E N C E CL AS S ES TURO’JC-H THE S I X T H , S x I V : , . ' l - i , AMD n F H I H SHADES >tal Number >f C l a s s e s R eported •fr N h SD 0 - 1 311 .63 7.30 2 - 3 U ? .ll3 7.59 h - 5 r o "* rTi» 203 -.0 3 7.29 139 .13 7.33 3 9 139 -.3 6 7.2 6 10 -11 219 .12 6 .7 2 1? -13 173 .lo 7.11 Ilf. - 1 6 U5? -.6 3 6 . 63 - SEjwi P r o d u c t -i\ orient r b e t w e e n Read T e s t S c o r e s and K ean D i f f e r e n c e s b e t w e e n I n d i v i d u a l F i n a l a n d I n i t i a l T - S c o r e s .........................................................- . 0 5 2 C o r r e l a t i o n R a t i o , c o r r e c t e d f o r sam ple s i z e and n u m b e r o f c l a s s e s , b e t w e e n R e a d T e s t S c o r e s and Number o f S c i e n c e C l a s s e s . ■Ji-See p a fire 1 2 6 . . -.0 3 5 126 score, the standard error ap p roxim ately three errors d ifferen ces of the age sco res' w ould per cent by betw een the of have in itia l the groups cla sses same of through students seventh, w ou ld be made when expressed in raw G ain s expressed as mean T -scores sh ou ld p osition . reduces a ll follow tio n The that w ith in betw een mean be scores if to there two estim ate the as reported in T ab le betw een be from ratio . three The tim es of no the standard rela tio n sh ip estim ated the there XXIX b u t mean error betw een in The betw een in scores and be no just T -scores it w ou ld rank and abort req uirem en t p o si­ d ifferen ces It su c h mean T -score rank to rela tiv e w culd r in d iv id u a l rela tiv e sig n ifica n ce product-m om ent standard two scien ce d ifferen ces raw betw een the is any grades. d istrib u tio n s. in d iv id u a l r of eig h th changes changes two s ig n ifi­ of numbers d istrib u tio n errors product-m ornent its as a common no p o in ts. con vertin g were gain s the two con d ition s the d ifferen ces d istrib u tio n s scores to of percent­ co rrela tio n these and of score in terp reted process the are variou s standard in itia l there betw een is ap p roxim ately Under that w ith six th , In terp retation gain s follow of scores the and for scores. gen eral, the error co rrectio n w ou ld b asis fin a l standard fin al in percentage On t h i 3 betw een the and d ifferen ces, cent* a ap p lyin g in terp reta tio n cant per of* t h e s e of is d iffic u lt d ifferen ces the w hole d ifferen ces the of for may co rrela tio n the arb itrary sta tistic a l 127 TABLE XX IX COMPARISON 0 : ’ TRIO READ TES T GAIN SCORES OP’ GROUPS OF STUDENTS WITH VARI OUS NUMBERS 0 - ’ S C I EUCE CLA S S E S IN T UE S I X T " , 3EVE2T" , AND EIGHTH "-F r DKS T o t a l Number o f C lasses R eported N Raw Score G ain ^ g a in G ain as 5 o f G ain P o ssib le G a i n a s Mean D i f f . betw een in d ivid u al T -Scores 0 - 1 311 8 .5 2 .1+2 1 9 .2 • 63 2 - 3 llt7 6.9 7 . 66 20.1; .14-3 u - 5 20 3 3.05 .5 3 19.1) -.03 6 - 7 139 3.27 . 56 20. 6 .13 3 - 9 139 7 • 37 . 55 l5.lt -.3 6 10 -11 219 3. 22 -U9 20. 3 .1 2 12 -13 173 9.73 • 5.e 23.9 .1 3 1)} -15 )i 5 V 3. 60 .3 5 20. 7 -.5 3 P r o d u c t - M o m e n t r b e t w e e n pa i n s e x p r e s s e d as Fean d i f f e r e n c e s between In d iv id u a l T - s c o r e s and t h e num ber o f s c i e n c e c l a s s e s i n t h e s i x t h , s e v e n t h , and. c l r h t h rades . C orr.la tio n Eta wit?) ra'lo eo si.l on between square these two . -.052 fsc t o r s . -.035 c o r r e c t i o n ......................... . 0 OU 123 sig n ifica n ce. to b e -.035# error the The T h is d erived valu e of w ou ld by the ep silon -3q u are be the co rrela tio n sig n ifica n t sim ple test ^ ives a value of of the .007 req u ired where 1 ,0 0 0 scores were used in the co rrela tion is based not fern the of of the scores on oroduct-m om ent The ship the Read Test test cla sses through the a value of .001 when .003 the five per cent lev el is of . Ohii, a value sig n ifica n ce in ca lcu la tio n . on standard char': and The nega­ of the that cases in sp ection sixth , to be lin ea rity Ins T -scores no r e a s o n the score in d ivid u al there the the valu e of r. betw een at for co rrela tio n ep silon -sq u are betw een ap p lyin g found but short sivn was form ula: comes tive by ratio and m easured the of ieve and be req u ired that the number eigh th con fid en ce. the as mean reported seventh, w ould of rela tio n ­ d ifferen ces of grades for scien ce p rovid ed sig n ifica n ce T ois means rela tio n sh ip that is non -1ine a r • The tion and betw een may r e c a l l mean in tellig en ce, also low tion that students having the reader reported r e c h n i que who m a d e th eir test. d ifferen ces an:1 n e g a t i v e . the If high scores th is that too product-m om ent betw een on name T h is as the 32 in d ivid u al of th is T -scores th esis, m ight lead to nmol f e d here n e n a l i .es the scores on the in itia l clo se to the fu n ction al In terp retation is not correla­ in terp reta ­ test v a lid was the through c e i l inn: o f then it w ould 129 fo llo w rtrade who to that the general are in stru ctio n a l scien ce in itia lly m ain tain th is course su p erior rela tiv e in exp erien ces do not rank through provid e p o sitio n su p erio rity . the an the n in th students op p ortu n ity CHAPTER V THE DATA SUMMARIZED AND G E N E R A L I Z A T I O N S PH'i'PTED BY I TIE DATA T h is betw een study the students in In itia ted scien ce and such in tellig en ce, est was school scien ce and p rior seventh, and ei of the n in th the use of G eneral and on In out-of-sch ool the tio n ences on o ffice and The revealed d ifferin g pected file s , and correspondence sfb ectin r by in the the of to on in ter­ home through the S cien ce T est. The con­ six th , a the in q u estio n s the on in form ation th eir of of the by study the was ob tain ed school based inform a­ from fran th eir confer­ teachers. ice te s t p o ssessio n sta tis tic a lly of ob tain ed betw een sole enter­ c la s sific a ­ a personal q u otien ts by ob tain ed rep resen ta tiv e rela tio n sh ip to possessed were w ith c o . ip a r I s o n I f as econom ic scien ce in clu d ed p o ssessio n resnect factor. qrade >| -H C l u b s , students in tellig en ce id en tity in and n in th factors and in form ation ca teg o ries rep lies the Scouts so cia l ^rade factors stu dents’ form , school of* Read students in scien ce end-of-year of by rela tio n sh ip trades, and tio n the out-of-school books, ing the possessed in stru ctio n hth E stim ates and m em bership d itio n s, determ ine in form ation sex, read in x to a factor in form ation scores or 1 ack s i p n l r' i c a n t of of suspected was croups the sus­ d ifferen ce 131 was id en tified , was estim ated betw een the Data the by fu n ction al ca lcu la tin g factor and con cerning scien ce In stru ction of study th is 1. n in th through the tenth through mean scores groups vho n in th grade the were decree on the of rela tio n sh ip co rrela tio n le st. d i f f e r ing in respect the grade. n in th on and who but general not to general 'T'he r e s u l t s taught showed Re ad T e s t scien ce taught students were grade the taught who w e r e grade, n in th scores the Read through students the the of show: Students grade, value general taught no the the scien ce b iology general s i o n i f ie ant betw een through through scien ce increases fin al and in th eir in itia l admin i s t r a t i o n s • 2. greatest scien ce 3. fin al the lif e , students gain , made There test k. from The least the w~s was subject had 5. scien ce B oth the students who were correlation of three a ll h igh general not scien ce taught made the general gain. end areas the obtain ed through in itia l of the in itia l the natural part and scores scien ces; earth, scores on the test. a sam ple of 2f0 students n in th grade. from and betw een the total the beiw een groups. co rrela tio n m atter were t aught a high and p h y s i c a l , co rrela tio n s had the and scores There who w e r e f'inai mean scores of all These who *hree 132 ?oups show lien ee item s 6. roup than The was rea r^reeter w ith p reatest in the The preatest of the lif e The ap p roxim ately nd the fin a l cent of the earth p ain o f earth scien ce the and lif e item s. n o n -scien ce n in th prade scien ces. biolom y second The be score Up p e r of cent, of proup preatest total p o ssib le n tlon s study was in pain the in the n in th total rrouo "rqde students p ossib le was score ap p roxim ately score. from the resn lts of th is le s t are related to the are: on the Read a c tiv itie s the th is n c c m i n r the the the item s to mean of iz the and not the score in stru ction a l jlass of mean of G eneral 1, the p h y sica l s c i e n c e s and in itia l as ihase of w ith scien ces, 8. 'S p e r the p ain area 7. hy s t e a l nay fam il 1 a r ity in the a c tiv itie s en ro lled in of eith er n in th n in th a prade prnde general peneral scien ce students scien ce or who b iolop y h a s s , 2, to item s on the subject m atter course than the course or are the The en ro lled 3, and to The b iolop y to the in Read of subj the ct everyday n eith er courses tend ninth, m atter are these of of have clo sely peneral the tenth boys scien ce prnde and rela ted b iolop y ’i r i s who cm rses, exp erien ces to more mra. de a c tiv itie s of in stru ctio n a l n" e s t . about in the the peneral sa. e s hence effect on 133 all students In regard to the gain in g of ad d ition al scien ce Ln f o r m a t I o n . I4 .. scores In terp retation s are 5. ap p licab le Students scien ce course tion the the of and the on study of the the fam iliar in form ation b asis of the subject n in th m atter grade w ith total areas. general a w orth w h ile cu stom arily test in clu d ed por­ in the 2. Is and Read showed test the betw een The r e s u l t s i n t e l 1 igence from th is phase a m oderate the degree of co rrela tio n betw een d istrib u tio n s of the scores in itia l T est. 1'here Of r el a t i o n s h i p the F c a d l e s t . ^here in tellig en ce 3. the show: in tellig en ce is and the about the the fin al factors create st same degree scores in clu d ed decree o f in on of the ftis co rrela tio n Read r[e s t . study, co rrela tio n betw een w ith in tellig en ce the In itia l scores. )|_. the the en terin g concerning s core s 1. on each already scien ce on course. Data of to upon are made In decree scores betw een 5. was con n ection of co rrela tio n exceeded in itia l The w ith and only d istrib u tio n betw een by fin al co rrela tio n the the of In tellig en ce decree of ^ iu al and scores, fin al co rrela tio n scores. betw een in tellig en ce and gain s in 13U scores be on the Reed s ta tis tic a lly T eat, although n egative, was too low to sig n ifica n t. G en era liza tio n s accru in g from th is phase of the study are: 1. on the V hatever also scien ce grade scien ce b righ t te sts g iv es scien ce In tellig en ce p red ictin g 3. in itia l The and d u ll ad d ition al the the D1f f e r e n c e s n,h e such student scien ce student were to U3ed an an to advantage estim ate advantap;e en rollm en t in in the p ossess­ n in th cla ss. is of a student p rior scores are gives w h ich in stru ctio n a l cla ss sex. that in form ation general 2. in is in tellig en ce in tellig en ce i ng- it m ost on relia b le the Read sin g le in clu d ed nature the have equal for 'iest, exu erien ces that factor in the general in te llec tu a lly op p ortu n ities to gain in form ation . in ach ie vement resu lts ob tain ed r s soc lu ted from th is wi. t h d 1 f f e r e n c e s chase of the study ar e : 1. Read ^est 2. of The the 3. boys than 'J h e r e boys The d id was and mean sig n ifica n tly in v a ria b ly the no 3 cowed h igh er mean scores on -xirls, sig n ifica n t difference betw een the g ir ls. in tellig en ce h igh er the than that quotient, of the of the boys. ir is was --a i n s 135 Jq. and of The o-irls d ifferen ce was su fficien t co rrela tio n and .1 5 on of the .1 6 , the study 1. The that subject be of boys m atter and p ir ls the is a Read than in tellig en ce of the students Scout from of by the resu lts boys a the boys co efficien t d istrib u tio n of th is and rather is p irls. everyday w ith phase of rela ted T h is sex p rosaic p rin cip le course clo ser and con com itan ce to the assum es out-of-school ^est rela tio n sh ip and the these tests o r p; a n 1 r a t i o n s a c tiv itie s whereby of the and fM.rl and betw een everyday d ! fference s The in itia l associated surface con cern in g Boy the b iseria l the the be determ in ed . sig n ifica n t 2. to were this n h a s e 1. from the the betw een the in of in in D ata on of there a c tiv itie s r ir ls. There of .03* show natter d ifferen ces 2. on does a c tiv itie s and a p oin t found although s ta tis tic , to = score show accru in g d ifferen ce academ ic everyday SE mean are: d ifferen ces, the to the fin a l. fen era liza tio n s of betw een Il-H the a c tiv itie s and the wl th subject of boys ex ercises in tellig en ce a s s o c 1 -.ted 01 u b s . the q u otien ts member s h ip The r e s u l t s o b t a ined study are: Scouts co n sisten tly su p erio rity on the Feed s\ip erio rity of the Scouts snowed sta tis tic a lly le s t. decreased betw een the 13 6 in itia l and fin a l 3 * M embers testin g of the in tellig en ce q u otien t, members " h ig h ” of w ith th eir m em bers category, the and six th , i|.. a Scout a organ iza tion s greater in terest among the greater seventh, The p eriod s* and b iser ia l had a h igh er con cen tration in rea d in g , students in amount of eigh th , grades* co efficien t a of per ’’ b e s t " exp erien ce and Head Scout exp erien ce and in tellig en ce q u otien ts, .1 3 3 ; co rrela tio n ca lcu la ted from ch o ric c o e ffic ie n t cases betw een Scout c o n d i t i o n s , •lipo* betw een J. 6 7 > of and the scien ce eig h th equal to sh ip the more exp erien ce r The other Scout ,0-35* re tim es ressio n exp erien ce factors in r the tetra - w id esp read from cases w id esp read book Macro, o f rea d in g exp erien ce six th , its betw een home Scout the .1.37* so cia l-eco n o m ic scien ce betw een three p a rtia l and t h r o u *h eq u alled than an d tetra ch o ric In stru ctio n betw een the exp erien ce b i 3e r i a l grades p. of Scout o^ eq u alled through betw een Scout Test cent home in stru ctio n co rrela tio n scores th eir greater the scien ce of mean in te re sts, and seventh, these standard co efficien t p erio d s and co efficien ts is error. for and Read T est lfip,T a b o v e h eld constant the scores r e la tio n ­ w itn each eq u alled . 014-2. 6, ca lly Students h igh er w ith ou t w ith in itia l I4. - H C l u b i q- H C l u b and fin a l exp erien ce. exp erien ce mean scores showed than statisti­ did students 13? 7. not Students w ith sig n ifica n tly I4 - F more C lub exp erien ce through the gain ed n in th grade more but general scien ce course. 3. G irl in itia l mean whereas there 9. The lap p ed by a I4. - H score C lub than was no m embers d id such su p erio rity g irl non d ifferen ce of com parable the showed the I4 - H degree of in a sip n ifiea n tly Lp-H C l u b the case C lub m em bers su p erio rity in n igh er members of boys. was over­ in t e lli­ gence . G en era liza tio n s of the study 1. is M em bership by on the 2. E lim in ate Read in Scout some ‘J e s t resu lts also on g iv es of rela tio n sh ip and Read of other factors and there is T est no and in th is ij-H students in tellig en ce the organ ization s phase hetw een scores the sig n ifica n t C lubs an advan­ te sts. m em bership overlap p in g degree of corre­ rem ain in g. 3. The d u p licate exp erien ces some of the organ !zation s members p rior D ata w ith that from these these the organ ization s factor and in la tio n from are: accom panied tage accru in g to the in general exp erien ces p rior to en rollm en t regard in g d ifferen ces of shared, in stru ctio n in d ifferen ces home scien ce the in by the but course m ust members d en ied the of non- course. achievem en t backgrounds. The associated resu lts from th is 138 phase of 1. Read the There Test general home study were mean ground The d ifferen ces of en terin g course su rerior students from degree in total 3. on over a high the the ru ra l, n in th There Students than those o. no in the v illa g e, a b iseria l sit ' m i f i c a n t 6. the r the in itia l n in th city , grade or m ixed from the same amount Read Test through 7. The overlap p ed a was boin " of gave home them back­ scores. su fficien t r-enerally T h eir to show ap p licab le of the the and d ifferen ces four "best” fin al the of Read "poorest" the from was w idesp read the "rtuns. homes showed Test, m ean sig n i­ scores hom es. students d istrib u tio n betw een in the "best" su fficien t cases of to . 26, home give a rela tio n sh ip . the of "best” scien ce the su p erio rity by of from advantage in itia l and m ix e d d istrib u tio n students from ca lcu la ted Students city students cop u lation . in itia l of rural sig n ifica n t com ing degree by the fin a l q u otien ts com ing The on the grade were greater category over o r p ro b a b ility fica n tly d id made v illa g e in tellig en ce I.|_. gain advantage students advantage the sig n ifica n t backgrounds. a sig n ifica n t m ain no scores scien ce 2. mean ares n in th in su p erio rity Read in and "poorest" in form ation grade Test tend as m ea su red general scores homes is scien ce to by course. v irtu a lly in tellig en ce. .d 139 8 . d iffer Students in scien ce the to th eir respect wb e s t n and reported "poouest" in terest homes in do not read in g books. 9. The econom ic p a rtia l home exp erien ces, h eld from con d itio n s and In tellig en ce, constant sig n ifica n t reg ressio n was found degree of co efficien t Read and to be T est so c ia l- scores scien ce .0 2 3 . of book T h ia w ith Scout rea d in g was not Interest a rela tio n sh ip . G e n e r a l i z a t i o n s a c c r u i n g f r o m this phase of the study 1. eq u ally are: or R u ral, unaware of th eir everyday grade general clo ser to the v illa g e , the a c tiv itie s scien ce actu al of scien ce of in th eir retain a greater c ity rela ted n ess p rin cip les scien ce and of p rior cla ss. of and thus everyday of scien ce to are in form ation in stru ctio n Rural p oin t amount ch ild ren ch ild ren , a p p lica tio n become more a c tiv itie s the of in aware to the n in th however, many aware cau sin g of of may b e the the ro le them to d evelop ed in the more of a in form ation in in form ation course. 2. The stim u lu s scien ce except to "best” a student cla sses in students the w ith home or sam e environ m en t to pick elsew n ere way su p erior that p rovid es up scien ce than 'oes the "best” in te llig en ce . the home no "poorest” tends to home d evelop 11*. 0 D ata d ifferen t concerning; the decrees in tere st books about study ares 1. in scien ce, The fin al gains in the in 3. The bi seria l w idespread in itia l Read degree of Test in terest and alm ost betw een scores co rrela tio n . th is and sc-c l a l - e c o n o m i c books chase of the derree of in terest su p erior Test scores. "roup showed fin al great and testin g enough to on the the o erlod s. be sta tist!' ro la tio n sh ip was The w ith home of correlation reoorted fotind to p a r t i r! read in g be ,2 i2, regression in tellig en ce, con d ition s Scout h eld ca lcu la ted in terest a and sig n ifica n t coefficien t exp erien ce, c m s t «nt was found .2 22. [j . books Read in itia l was th is a " n igh ” of c o e f Tic l e n t oases po r be the sc le n c e sig n ifica n tly "low" ~ain from w ith sig n ifica n t. cully to resu lts were associated r e ad i nf ? reported books betw een d ifferen ce from who in d istrib u tio n s Students greater The scien ce and 2. The students reading; in itia l in d ifferen ces The had science s t u d e n t s v; * t h ex p er ienced cla sses ”hi m n in te re st si m i T icnntly through the sixth , in re adi nr -coster seventh, number scieu.ce of and e i g h t h -r ude s • ■• n e r a l i n a t i o n s a c c r ting from t u s oh a so of the are : 1. The decree of related n ess betw een the scie.ce study li+ l Inform ation reported the in terest related n ess factor 2. w ith scien ce the same degree There 5* cla sses and he c o n c e r n i ng seventh, of the and any than other in tellig en ce reflect a ord in a rily low in of clo se the ju ven ile read in g the scien ce by the in scien ce degree offered associa­ in clu d ed in tellig en ce in Read number The of grades, is student has to read have d1ffe r c n c e s am ounts and study a a the d if ferent Al t h o u g h eigh th 2, and books apt more betw een rcoorted scien ce greater the Test d ifferen ce the nhase found Read in terest no books is th eir constant. high contact w1th 1, study, sem i-p opu lar The m ore six th , th is is and books, show about books. of stim u lation ’’ b e s t " and hom es, Data the w ith students in form ation in form ation and of read in g "poorest" the scien ce Students cia ted on textbooks Ip. th is grade scien ce such consid ered 3, tow ard in item s the n in th reading: betw een being The by in encountered students tion possessed, o f eig h th was rela tio n sh ip form al scien ce books. achievem ent scien ce grades. in str The decree scores, scien ce it in w ith scien ce asso­ ction resu lts through from are: s ig n ! fie ant Test had in itia l cla sses so low betw een oT as co rrela tio n and through to Read be i eat fin a l, the and six th , alm ost ’w a s the seventh, n e g li gib le. scores, in itia l I ’; 2 and final, was found 3. There co rrela tio n betw een scien ce cla sses grades betw een There rain s wa3 Read tra tio n s and the scarcely of a “R e a d was betw een gain s on scien ce sig n ifica n t decrease T est and the T est scores six th , and degree of number co rrela tio n no Read cla sses G en era liza tio n s alm ost of of eig h th p erio d s. co rrela tio n p rior degree and betw een fin al scien ce ad m in is­ cla sses. n eg lig ib le and sig n ifica n t. reason the was and in itia l of the nnnber testin g n egative the in the seventh, fin a l betw een reported s ta tis tic a lly There n o n -lin ea r. in itia l a th is p. p rior was the the valu e be through on The to is to T est b eliev e that and reported the the rela tio n sh ip number of n o n -lin ea r. accru in g from th is phase of the study are: 1, grade The general d u p lica ted in subject general ein-hth 2. tl'moui'h by m atter scien ce course is by students sim ila r to in but scien ce in form ation acq u ired scien ce cla sses through sixth , the the far the by n in th from students seventh, and grades. Somewhere betw een the grades three nujriber of use in stru ctio n a l of learn ed scien ce "none a t p rior cla sses tim e. that to a ll" and tne n in th w ould make " five days there the m ost is a week" a e ffic ie n t Hi-3 3. tends w ith in In stru ctio n to clo se a m inim um scien ce. p recociou s is not It m ain tain h is the the gap and a maximum betw een fo llo w s a b ility p rovid ed in in from the grade students amount th is of that a cq u isitio n in stru ctio n a l rela tiv e n in th who p rior enter scien ce the course In stru ctio n a student who of scien ce in form ation exp erien ces su p erio rity . general en ab lin g shows him to cours CHAPTER VI RECOMMENDATIONS FOR FUTURE S T U D I E S Trie pattern resu lts in so Read T e s t are ob jectives subjected the to far of to scien ce of the ob jectives O ther factors id en tify and the focus o^ cu stom arily in clu d ed in concerning grades ad d ition al in course. p rovide the p o ssessio n at the 'these the to resu lts, other m easured and resu lts. more A ddi­ sp ecifica lly sc ien tific in volvin g one m ethods the beginning o f the on w ith on p rin cip les natural or more whereby m atter the areas w h ich of the scien tists m atter course ra ises Further m atter beyond to the of top ics research su itab le sub je c t en terin g subject a llo ca tio n op p ortu n ity in form ation course. the to scien ce nin th . greater the d o ree general ad d ition al a scien ce rela tiv e fam iliar subject students of if con sid er w ith research p rior reveal the m ight the are the problem s the these w hether w ou ld , apply by problem s. students among to a ssociated grade q u estion of of atten tio n d efin ite m easured a n a l y s i s , s row s i m i l a r stu d ies Id en tifica tio n a as q u estion thought solve a rather An e x a m i n a t i o n students of show in stru ctio n m ight solu tion phenom ena. n in th the sim ila r ab ility variou s as study concerned. stu d ies the th is brings t o m i n d however, tion al from for m ight in clu sio n areas mi r h t advance th eir level ex isten t 11+5 The and the (rrade lack general m in ation the lev els that the of scien ce new course of of research a b ility the sh ou ld to scien ce cou ld subject and w ell be another be of T h is of a d d itio n a l that in tellig en ce through csuse d irected areas a b ility . grade. betw een in form ation capable som ething acq uire n in th is m atter w ou ld be co rrela tio n course in tellectu a l there through p o sitiv e a cq u isitio n A d d ition al in of for tow ard could be ch a llen g in g the concern. the scien ce deter­ in clu d ed the recom m en d ation a normal n in th upper assum es d istrib u tio n in form ation of A tih W i «fiw A&k£fMMvit» ^ * #* ■»».. 1 ^-3 # »..■•! -at.. * .. S k * - .rd't$srn--m * , * ".ir \*j * — A * , ?.«* . - * *•'»\ I * £>•’ ;’ t *•*» * n c a ** l?5s t i m I.St imMj - 1U7 BOOKS i.dward s , / . l i e n L . , S t a t I s t i c s i P s y c h o l oct and E d u c s t i o n » Co^nany, I 9 I16T 3^9 PP• Anely 3 i s f o r S t u d e n t 3 i n New Yorks R i n e h a r t and ' T o o d e n o u p h , F l o r e n c e L . , Mi . n t a l T o 3 1 i np~ , I t s P r i n c Sp i e s , a n d A n o l i c a t i o n s . Ne w Y o r k : and C om pany, 196-9. b09 pp . R1 s t o r y . R in eh art G u i l f o r d , J. P . , Fund ament a l S t a t i s t i c s i n P sych oloryy Edu c a t i o n . N e w Y o r k : M c G r a w - H i l l Con n a n y , 1 oil 2 . and 333 nn . p e t e r s , C h a r l e s C. and V a n V o o r h i s , W a l t e r R . , S t a t i s t i c a l P r o c e d u r e 3 a n d T h e i r F a t nein a t i c a l B a s e s . New Y o r k : F cG-r a w —H i l 1 Comn a n y , 1 9 U 0 . 31 ’ n o . 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" U n p u b lis h e d t e s t e r ' s t h e s i s , Temple U n i v e r s i t y , P h il adel p h i a , P e n n s y lv a n ia , 1937* 109 pp. B e a u c h a m p , W i l b u r L e e , "An A n a l y t i c a l S t u d y o f A t t a i n m e n t o f S p e c i f ic L ea rn in g P ro d u cts in E lem entary S c ie n c e ." U npublished D o c to r ’ s d i s s e r t a t i o n , U n iv e r sity o f C h icago, C hicago, I l l i n o i s , 1930. A bstract p u b lish ed in A b stracts o f T h e s e s . H u m a n i s t i c S e r i e s , Volume V I I I , C h ic a g o : U n i v e r s i t y o f C h i c a g o P r e s s , 1 9 2 9 - l c' 3 0 , n p . 9 1 - 9 9 . B o r o f s k y , J o s e p h , " F a c t o r s A s s o c i a t e d w i t h P u p i l s Whose A c h ie v e m e n t i n Grade N in e S c i e n c e D i f f e r s G r e a t l y from t h a t I n d i c a t e d by T h e ir L e v e l o f I n t e l l i g e n c e . " Unpub­ lis h e d M a ster’ s t h e s i s , B oston U n iv e r s ity , B oston, M assachusetts, 1999. 230 pp. P r e s s m a n , E l m e r , "The O u t - o f - S c h o o l A HI<~h S c h o o l P u p i l s i n R e l a t i o n t o Econom ic S t a t u s . " U npublished D o P en n svlvan ia S tate C o lle g e , htate 19 3 7 . ’ c t i v i t i e s o f Junior I n t e l 1 1 &:e n c e a n d S o c i o ctor’ s d isse r ta tio n , Co l l o r e , P e n n s y l v a n i a , D a h l , A l f r e d , " R el a t i o n s n i n s o f N i n t h h e a r S c i e n c e and S u c c e s s in Subsequent S cien ce." U npublished h a : t e r ’ s t h e s i s , S y r a c u s e irn i v e r s t t v , S y r a c u s e , New 3 o r k , 1 9 3 . 9 . -s9 u p . F a r n u m , D o n E . , "A C o m p a r i s o n o f t h e S u c c e s s i n T e n t h G r a d e N a t u r a l S c i e n c e o f 93 S c u t s and 33 N o n - S c o u t s a s R ela ted to T heir S u ccess in E ivh th ^rade N atural S c ie n c e ." U n p u b l i £ h e d If a s t e r ’ s t r e s i s , U n i v e r s i t y o f f i c f l ' a n , An n A r l t o r , E I c h i man , 1 9 9 n • 9 7 u p . .'o s ie r , R ichard Jam es, "D erree o f R e p e t it io n or e x p a n sio n o f C o n c e p t s i n S e r i e s o G • n c r a l S c i e n e e ’: c x t . for Grades S e v e n , E i r-iit, and f i n e . " Part I. U noubli shed I a s t e r ’ s t h e s i s , U n i v e r s i t y / ' o f I o w a , I o w a C i t y , I o w a , 191*0. 168 pp. h a c k , W a l t e r , "A S t u d y o f I n c i d e n t a l L e a r n i n g I n G e n e r a l Scien ce. U n p u b l i s h e d Ka t o r ’ s t m e s i s , Uni v e r s i t y o f Io w a , Iowa C i t y , Io w a , 1 9 3 7 . JiO p p . H e c h t , M i l t o n , " P r o g n o s t i c M e a s u r e s o f Ac i e v e m e n t i n N i n t h Year S cien ce." U npublished D o c to r ’ s d i s s o r t a t io n , C ornell U n i v e r s i t y , I t h a c a , Ne w Y o r k , 1 9 9 1 . 11+9 Howard, L e s t e r , m ent in th e P u p ils.” U C olorado, B ”A S tu d y o f th e I n i t i a l S t a t u s and Im p ro v e­ G en er a l S c ie n c e K now ledge o f S e v e n th Grade n p u b lis h e d P iaster* s t h e s i s , U n i v e r s i t y o f ou ld er, C olorado, 1932. 7 2 ,pp. Johnson, K eith C ., " O n t-o f-S ch o o l S cien ce E x p erien ces o f P u n i l s i n t h e T h r e e G r a d e s o f J u n i o r 113,o h S c h o o l . ” U n p u b lish ed M aster* s t h e s i s , G eorge W ash ington U n iv e r s i t y , W a s h i n g t o n , D . C . , 1 9 U- 1. 67 p p . U nr 'e y D . , C o n c e p t s of Scien ce P o s s e s s e d by P u p i l s E n t e r i n g the S e v e n t h G r a d e . ” T J n o u b l i s h e d M a s t e r ' s t h e s i s , It a t . t e . - 3 0 n , State U n iv ersity of Iow a, Iowa C ity, Iow a, 1939. Jj.7 n p , M i l l e r , E a r l A . , " S c i e n c e C o n c e p t s A c q u i r e d by J u n i o r H i g h S c h o o l P u p i l s P r e v T. ous t o E r t e r i n r a C o u r s e i n G e n e r a l Scien c e .” T T n r m b l i s h e d Ma s t e r * s t h e s i s , U n i v e r s i t y o f Iow a, low s C it y , Iow a, 1931* 101*. n p . G c h a u s a , l a b e l , "A C o 7" r> e r a I i v e ;3 t u d y o f P r a c t i c a l S c i e n t i f i c K n o w I. e d g e P o s s e s s e d b y R u r a l a n d C i t y C h i l d r e n . ” Unpub­ l i s h e d 11 a s t e r * s t h e s i n , I n d i a n a S t a t e Te a c . e r s C o l i e p e , T e r r e h a u t e , Ind i a n a , 19 3 6 • ' 96 p p . T s m a g n i , J o s e p h H . , "A 3 1. u d y o f t h e S c i e n c e S c o r e s i n t h e C a r n c r i e E x a m i n a f i o n s o f 1 9 3 G a n d 1 9 3 3 a t. T e p i e U n i v e r ­ s ity .” U n o u b l i s h e d i a s t e r * s 1 n e s i s , Te- o l e U n i e r s i t y , P h i l a d e l p h i a , P e n n s y l v r. t i a - , l c- 3 1-' • W oods, L e i a G la o h y r o , ” 3 e x D i f f e r e n c e s i n A c h ie v e m e n t and I n t e r e s t s I n G e n e r a l S c i e n c e a n d T ^ o i r 1.e a r i n g o n t h e C l a s s i f i c a t i o n and I n s t r u c t i o n o f P u p i l s . " U n pu blished r a s t e r ' s t h e s i s , U n i v e r s i t y o'" C r i c a r o , C U . c a t o , I l l i n o i s , 1937. O tis, A rthur A n i l i t ?; . 3 . , T h e O t i s G e 1 f - A dm I n l s t e r i n r t e s t s N <: w P o r k : to o r l d * 0 0 k Co r .•)a r y , 1 9 2 2 . P i n t n e r , R udolph, F i n t n e r u e n or a l Wo r l d B o o k C o r •■'>a nv , 1 '; 3 3 . A-bll i t y To s t s . of I-i e n t a 1 Hew Y o r . ; : P o w e r s , 3 . R . , P o w e r s G e n o r a l 3 c 1 c - ■c e T e s t . How D o r k : B u r e a u o f P u b l i c a t *o n s , T e a c h e r s C o l l e r e , C o l u m b i a U n iv ersity , 1927. 150 ‘V g d , J o h n C • , W orld Book Kuch, C i l e s Sc le n c e The Read Company, IT. e n d T est.. r ener al 1 9 50 Scien ce Te s t . N e w "Yor k : H e r b e r t E. P o p e n o e , R u c h -P o p e n o e C -eneral N e w Y o r k : "World h o o k C o r o a n y , 1 9 2 3 . S t i l l i v a n , E l i z a b e t h , W i l l i s W. C l a r k , a n d l i r n e s t W. C a l i f o r n l a S h o r t - F o r m T e s t o f M e n t a l 11 a t u r i t y . A n p eles: C a lif o r n ia T e st B ureau, 1939. 'lien s, Los '['err a n , I . . Me n t a l '.i e s t o f 19U1• M. a n d < n i n n M c N e m a r , T h e T e r m a n - ? . c N eir, a r A b ility . New Y o r k : W o r l d R o o k Como a n y , AFFKIDXX &***»-fit,«4 «1W i~*ii|i^fe *1«S j i F I ~ n"Ri Initial Paw Sc'OT*en o f 1,9'73 S t ' ’r e n t s “* F 1n n l Paw Scores of 1,9/3 31 jce nt ~° F i n , *21 R a w Scores oC 3 * 1j 9 2 Student; I n i f 1 ql F ln n l Raw S Haw S c c r c ^ o f l » r ,7 3 3 t ' i r o r t a 3 o f* 1 , '?~3 S t r i d e n t 3 Pinal Raw ^ccrea oT 3, A9P Students or> r> r A 3 m ' := ■Vf.. 154 TiiBluL XXX DISTRIBUTION OR THE JORRELATED IUIIIAL AO. Ol.XL SCORES OR ^975 RIxrH BRADE BXOERAL SCIENCE ST U N T S M i d p o i n t ------------------------------------------ I j r i t W S-tp r m -------------- -----------------Of c . I . 5 O 15 i f 25 23 55 > : 45 4o 55 do 65 o3 75 Tot 4 f3 60 1 12 2o 0 3° 19 U 1 1■ “✓2; 41 50 ■ -.o 37 15 4 231 95 5 ;> 19 '*1 1 502 44 4 1 331 13 2 i 4 14 3- 54 0 Scores F in a l —r “ • ( < I i_ 7 20 74 9 ** 4o 20 - 5 1 4. 5.) 22 5 <- 2 52 13 2 5 O .j 1 5✓ 5 1 •) 25 1l uC ^ El 15 ____ OOC]3 5 __ c - „ *1 -■ 1 0 4 - Z ' s ' 1 3 1 O 13 3 53 2o 1 15 I 1 5D 17 ‘r 3 53 5 6 *1 ...■j ..-.0 '"i 4 ✓ 4 - 43 2 5 1 55 55 1 ■ V ' ^ ' *2 1 7! 1- "\ ' - v>0 0 s 47 1 1 319 1 2 .4 i I 63 X 1 94 34 i a. t I 56 14 ","r . '5 1 T if 57 0^ *•+ 2 1 ' ,973 155 TABLE XXXI D I S T R I B U T I O N OF THX CORRELATED I N I T I A L OF 1 9 8 AND F I N A L SCORES NINTH GRADE STUDENTS WITH NO GENERAL S C I E NC E THROUGH THE NINTH GRADE hidpoint o f C. I . In itial 3 8 13 1 ) 2 3 2 ; 33 scores 38 >i3 1+8 5 3 5 J 63 63 73 T o t a l 73 63 1 l 63 1 58 1 53 1+8 I 1 2 3 2 8 1 12 2 25 1 3 ■7 9 .i 2 31 h 2 39 o i+3 3 i 8 C ', ® 38 1 p 13 17 1 O 10 12 11 23 1 7 6 7 1 23 U 6 h 1 13 3 I 1 13 1 <8 1 • rH 33 1 Ul 1 23 1 16 5 l 8 Totnl.-s 1 10 O'* HI )t p )JO PI pp I 3 193 196 TABLE XXXII D I S T R I B U T I O N OF T E E CORRELATED I N I T I A L AND 7JX.AL S 'C'^ES CF 2 2 7 TENTH GRADE BIOL OOF S l U I X F T S WEO HAD HAD NO OFI FRAL S C O N C E ffTRO'HD-: n HK H I N T 1 ORA DE , , , , m idp oin t of C. I. In i t i al cores ______________________________________________ 3 3 13 1 1 03 23 33 3 3 U3 0 3 5 3 53 63 63 73 T otal 73 68 63 1 3 53 2 Final Scores 53 U3 1 7 li3 33 3 < —> 9 2 9 9 3 1 lh 12 1 13 16 7 3 *-> 23 1 3 3 1 1 18 2 5 U h 2 ~I7 r-' "3 2 1 7 11r 33 23 3 71 1+ 8 3 20 29 29 1 1 2 Li3 U8 1 28 111 r -' 2 2 1 3 13 8 T otals 1 5 1 3 3 IJ 3 6 31 36 27 16 3 227 157 TABLE X X X I I I D I S T R I B U T I O N OP THE I N I T I A L SCORES 01' A 2 0 0 PAPER SAMPLE ON THE EARTH SC IE N C E ITEMS CORRELATED WITH TOTAL I N I T I A L SCORE M id p o in t of c. I. 1 .5 3 .5 S c o r e o n Ear»tv S c i e n c e I t e m s 5 .5 7 .5 9 .5 1 1 .5 1 3 .5 1 5.5 1 7 .5 T otal 73 68 63 2 58 1 53 Scores 53 1 Total 53 O 1 3 1 5 1 12 3 5 3 *~“7 1 o 2 22 33 2 5 11 15 o 37 33 5 3 15 3 2 35 1 6 19 10 5 23 3 10 3 3 13 oj 6 1 13 3 2 16 30 23 * 2 1 51 25 16 J 8 rro t a l s 1 1j 1 55 37 19 10 2 200 153 TABLE XX XIV D I S T R I B U T I O N OF THE I N I T I A L SCORES OF A 2 0 0 PAPER SAKPLE ON THE L I F E S C I E N C E I T E E S CORRELATED WITH TOTAL I N I T I A L SCORE c. i. 1.5" 3-5 Score on L if e S c ie n c e Item s 9.5 113" 13 .5 i 5 . 5 1 7 3 " 7.55 .5 T otal 73 63 63 2 2 53 l 1 1 k 2. Score 1 U3 3 7 2 U3 b 11 6 Total 53 33 7 17 12 1 37 2 10 16 n( I 36 7 12 16 1 33 23 r^ 23 2 10 12 k 3 13 1 7 13 2 3 8 12 1 22 2k 1 16 5 159 TABLE >LXV L I S T R I B H T I O N OF THE I N I T I A L SCORES OF A 2 0 0 PAPER SAMPLE ON THE P H Y S I C A L S C I E N C E I T EMS CORRELATED WITH TOTAL I N I T I A L S 'ORE M idnoint o f C. I . Score 1 k 7 10 on P h y s ic a l 1.3 1 6 19 22 Science 25 23 Item s 31 3k 1 1 37 Total 73 63 63 S3 p 53 Score 1 ).-3 33 ! r—f ce 4-> O tr-i 33 1 ).! 1 1 1 1z_> h 12 3 22 11 17 2 2 37 33 3 1 ' 1>! h 36 23 G 2U 1 al 23 2 .17 >L 1 3 3 1 h ] 3 13 1l 6 1 2k L6 5 3 T o t si s 2 15 33 3 3 h? 3a ] 3 b o i l 200 160 TABLE XXXVI D I S T R I B U T I O N OF THE F I N A L S ..'ORES OF A 2 0 0 PAPER SA‘ PLE 0 M THE EART ' S C I E N C E I T EPS CC-RRj.i,'LA;’ ED WITH F I N A L TOTAL SCORE ’vi 1 36 C. y i 1 2 3 rpO t S i S PC 20 18 \ !t 200 TABLE XXXIX o f tk .. i i . t t i a l s j o r e s o f 1 , 5 2 0 s t u d e n t s c o r r e l a t e d WITH IX7ELLIGX4JE ^UGTIELTS M i d p o i n t s ________________________ I n t e l l i g e n c e Q u o t i e n t s 72 9 3 105 1 0 3 1 1 5 113 125 1 2 3 1 5 5 1 5 8 53 38 Of J . I . 65 35 95 75 1 75 1 63 1 2 4 2 4 5 2 4 4 3 7 4 6 5 o 10 17 19 14 3 1 1 65 55 2 00 5 5 1 1 1 1 2 < D m H oP) 1 *40 2 CO ^5 — 1 12 21 24 57 29 22 16 11 5 22 59 44 45 58 51 20 12 8 2 2 « i 2 2 1 6 4 11 25 47 59 42 52 29 23 C! 2 5 n 2 *5 18 25 59 53 57 42 50 21 3 25 4 o 17 15 2o 45 52 29 17 o 2 1 l - 74 111 ISM 2 0 5 212 2 0 7 150 122 6? 42 56 «H 5 5 1 15 5 4 o 9 11 lo 15 10 12 15 4 5 o 1 5 5 5 2 5 1 1 1 3 T o ta ls 8 16 55 50 1 1 o4. < 1 1 1 5 1 5 2 12 03 I e Erl 164 TABLE XL DI3THI3UTIOX OF TEE IEITIAL 500Ha3 OF 1 7 5 WIwTH GRADE oTUDE^Ta wITH EC GEEER/.L SOIEECE IE THE Nli.TH GRADE OORRELATED «'ITH IiiiijLLXGrEi^Jw'TIcE.To ro H 1-1 m i d p o-Xi n t s _______________________ I n t e . l . I i s o n s e /4 u o A i c n t s /*»> 0 • X• 65 6. 73 78 Op _>o 9 5 9 8 105 103 115 125 125 133 133 1 1 73 60 65 5o 1 1 2 Initial Scores 55 48 1 45 1 ]_ 5S >5 2^ i_ 1 y C. 7 8 0 y X- 2 4 5 •x p 1 2y 27 s' 0 15 1 X 1 5 15 ]_ 5 0 20 1 5 5 y 5 5 2 5 4 5 L1 1 2 1 1 1 1 1 1 - 24 G\ 4 5 K> 2 1 CM 5 7) r>*.n 1 r, 1 A. i 25 i 1 .. 5 3 1 3 165 TABLE XLI DISTRIBUTION 0 ? TaE INITIAL SOGRsD OF 2 0 3 TLNTH GRADE dlOLOGi BTNDNirrB CORRELATED .VITH INTELLIGa.. -E ^UOTIEI.Ts M idpoints of C. I. 6^ 6- 75 70 I n t e l l i g e n c e _C j u a t i e n t s _____________________ 33 95 9 3 1 0 5 1 0 5 1 1 5 1 1 5 125 1 2 5 155 15S 35 75 65 65 53 I n it i a l S cores 35 *TO 2 1 1 2 1 5 4 2 2 2 5 1 4 4 y 6 2 1 2 2 1 1 45 1 1 2 2 1 y 4 l 53 1 5 . 7 7 10 7 2 3 2 7 k-v y 4 7 5 5 L- 56 5^ ^4 H 55 1 4 2o 1 2 1 4 2 25 2 5 2 2 2 5 1 1 17 26 24 13 15 1 5 T o ta ls 5 2 a 7 2 2 166 TA3L1£ X L I 1 D io r R I3 U T I O O f iiiE PliWiL d O F 1 , 5 2 0 AlOTn. ORAD2 STUD—*.IS COR: .ELATED fflTH INTELLIGENCE QUOTIENTS ” id r )o in t3 o f C. I . 65 66 75 I n t e l 11" e n c e Quo t l e n t s - 5 63 9 5 9 3 1 0 5 103 1 1 5 115 1 2 5 123 1 3 5 13S 73 1 1 73 o il m i y 10 7 5 1 O 4 5 2 2 1 1 cL 2 /-v *— 2 1 - 2 1 17 2: 24 50 5^ 2h Final Scores 05 4p 56 6 55 2 25 16 1 2 5o 2., 0 1 1 1 2 2 1 2 1 1 2 1 1 1 2 1 1 1 1 1 1 15 8 T otals 5 2 6 7 11 4 6 7 t-i ohj H r: - D i f f e r e n c e s between I n d i v i d u a l T -Scores r 1 ro 1 V -1 (V 1 M 01 1 t—1 IV) di 6, 1 Vi CO VI e. VO M Ol v-> Co 21 ro 12 o c+ p CD CO • M • CD ► —1 c. Vi O'. I-* ro r fO -tr-- r■ ro c> T-"* m 01 1—* O ro 01 O -4 4- 1 — > »-* (-> K* -4 M '0 10 * ro )1 P. h-> h-J 01 212 t—< ; ro O r j ro Vi f -> N* V-* ' r.; t—> ro ro H-* V! •*r'- ■ .-J K-* ro C-> Vi 0 Vi -4 ro M ro ro y V» c> h-> -4 f—< VO '0 ro 0) r1 On VO Co M On Vi (—■ M VO 1-* -u Vi »-> ro M VO t- 1 r -4 M t-1 Vi 0" t—* VO i—1 01 ro ro Vi 0. V£ Vi ro M ro (-> t-* H* O (V> 1 — ' >-> O; Oi ro ro M -4 VI Vi t! r: t- to t> t“* Hi M O -■‘J Q *=y C. * H 2 O o Vi € o MP O HD Co C 3 I-* c* )-< (D Vi )-• M ro ro Kd Ki Hi M O t* £4 HI O is M Cj <-j VO 01 Vi (—> Vi C> Co h-> c 'Ko )-> ~4 i- 1 0 Co Vi I—1 w tn ^ cj m c: O: h-> »-> c_. Vi (. 1 -4 Vi >• M C O t; -4 M ro c 'S ro O'. -4 Vi M 4- _i 4 r CV Co ro )—* ro ro y~> u: 0 1—' K-* Vi a V -J r . 4-- 1-* ( >3 (7 071 4-’ o> VI IO 01 C\ VI M VI i■ t-1 r r» h* 1J (-* CO "BE §o 0to Si H > 03 £ t- H ► S tJj W c pp: t) *--> ^ t •W fji Htoi 5r P. C. M o «£: c; m < EE M -4 4 IV) ro ro t-» 4--- U1 (0 V) k-< *-• vo -4 4-- M O! ro -P- (;•. c\ ) 01 01 M H-< M ro C) M ro »-■ ro h-> h-> M Vi M 1—* ro b-> ro ro Vi H* ro tJ t- Co H Vi Vi vM H )£ 0 VO 170 TAdLE LI DISTRIBUTION ON DIFFERENCES BST-.EEN INDIVIDUAL FINAL AND INITIAL T-SCORES OF 1 7 5 STUDENTS CORRELATED #ITH in t e l l ig e n c e q u o tien ts N id p o in ts of* ^ • I « 75 73 35 33 21 95 1 9 3 1 0 5 10 8 1 1 3 118 1 2 3 1 2 5 1 3 3 138 1 1 15 CO Q> ^ LO 0 CO 1 E-> r-J CD 'D 1 1 1 X 1 1 1 2 -*• 3 5 4 "7 1 5 3 5 1 4 y 4 2 <5- 1 4 2 w1 4 6 4 6 5 7 1 1 1 5 3 1 5 4 2 2 3 3 1 1 1 12 ^ 1 0 “f 2 5 5 'O c hH 0 c <*> - 5 cd y -M . o> ~o X) m -o CD o £-12 CD Ei 9 7'3 6k -12 31! 37 -1 3 16 11+ -1.3 3 k -21 3 2 -2 k k 3 -2? 3 1 969 1,001;. 175 TABLE L I v D I S T R I B U T I O N OP HE I N I T I A L S C O R E S OP 1 , 9 7 3 STHDKNTS ARRANGED ACCORDI NG TO BOY AND G I R L SCO< k ST IDE TS WHO REPORTED " I N C H " I N T E R E S T I N READING S C I E N C E BOOKS AND 6 0 3 ST^DE. . T3 WHO REPORTED " L I T T L E " I N TERES T IV! } Hpn t nt. o f C. I . rS CD cr. P in al " L ittle” In terest "Much" Intere st " L ittle" Int ere st 73 1 3 63 1 0 63 2 2 10 10 53 13 1 30 1 i 10 5 h2 33 32 19 »!.)! 56 36 iii . 33 36 3U 51 . 53 CD 0 )] 3 0 rC m £ I n i t i al ^Tuch" Intonest 1 3 33 1.1 6 33 hh 103 2k 39 23 33 103 11 ij-3 23 21 36 7 32 13 -3 39 2 U) 13 1 is 1 Jj TJ, - - , '0 3 3 1 3 1 Totals 2 ‘»h Ol 2 182 TABLE L V I I I D I S ! R I B H T I O N OP THE I N I T I A L SCORES OF 1 , 9 7 3 STUDENTS «\RR FITTED ACCORDING TO THE TOTAL NUMBER OF S C I E N C E C L A S H E S REPORTED THROUGH THE S I X T H , S E V E N T H , AND EIGHTH GRADES Number Fid roin t o f C. I . 0-1 2-3 h-2 3-7 of 3-9 Cl a s s e s 10-11 R eported 12-13 11. - 1 3 1 73 1 63 1 1 23 1 2 0 '"■>3 1 2 0 11 .3 10 Lt ■/H r - 1 1 1 ) 1 h !i 1 2 ■7 3 12 7 13 2 1 1 3 1h 13 17 8 30 1 22 11 27 23 20 2? 26 66 7 'oJ WO O :■! No R e p l y 32 23 3ii h2 39 33 26 13 3 33 OS 2l\ Mi 33 :•J 37 33 33 9 23 63 2 -> 32 2 "? 31 >! 6 U2 91 in 23 >8 26 23 21 1 21 21 36 21 18 2? 111 1 10 13 12 13 9 3 1 3 3 1 3 1. 4 T o t-Is 311 , ‘7> *8> 2 ■ ; 7 2 '! '?f 1 1 1 UV 203 1 39 1 1 I 21; 1V3 ,'} 3 7 30 133 TABLE LVIX I;T 7 T R I 3 H T I 0 N OF TI TE PI'- i Afi oCC;RE 9 OF 1 , 9 7 3 o'T ;BE.,TS ARRAHGES a c c o r d i n g TO T T!E TOTAL NTlB^ivR OF S C L E 9 C E C L A S S E S REPORTED 1 y\ H >r TTV9OHOT T THE <3__ 1V‘: , SEV.i. •i 3TO , AND EIGHTH GRADES r Id n o in t o f C. I . Hsr; h e r 0-1 S-l o O rw A^ h- 5 6-7 C lasses 3-9 1 73 CD 2-3 of 10-11 R ep orted 12-13 ll+ -l^ 1 No R e p l y 2 1 3 3 o 3 i. 0 •7 5 6 9 13 2 I 7 10 1h 19 32 5 27 19 2k 2 3 2,9 99 7 19 2 3 -> 2'o- 32 3 >i 33 66 { 2h 30 36 36 3 ’i 31 30 9 >'3 O C .. o 2^ 30 31 ill 29 \9 7 33 7 133 33 22 2 ;! 2 27 t >0 23 36 19 2 )- 13 K') 9 36 23 13 9 1o 9 10 3 h 23 13 7 6 1 h 2 l 2 i 2 2 219 173 9 37 80 -3 1 1 63 2 2 3 3 16 11 16 A3 29 l/l 1 :, h > .’a 31 1 1 in CD 13 T otals 1 1 311 1U 7 ) 20 3 139 139 12 k 19 J 12 U 181* TABLE LX D I S T R I B U T I O N OP TrTE I N I T I A L SCOR .eS OF A 2 0 0 PA PER SAKPLE CORBELATJED E l TH TRE " CORR EC TED " NUI.BER OF PR LOR SC I E NCE CLASS LS F id o o i n t o f C. I . 1 U 7 Number 10 13 C la s s e s R ep o rted 16 22 28 19 23 of 31 73 63 63 1 1 1 53 1 cd 5 3 o 1*3 CO 1 l 3 i 3 3 1 33 5 2 1 28 7 3 1 2 23 6 3 1 2 13 3 2 2 13 1 it UJ ^3 •H c! HH T o t a l s'* (---Eleven 35 15 students 2 6 did l 1 2 2 3 h 1 6 2 3 2 2 6 1* 3 2 3 7 1 3 2 3 k ). 7 2 3 1 3 1 1 2 9 not 1 1 3 2 1 2 13 27 provide 3 3 1 2 1 10 13 usable 15 5 8 1U an sw ers.) 32 33 185 TABLE L X I D I 3 T R I B T 71'I O N OF THE D I F F S R E N C 3 3 BETWE&N I N D I V I D U A L F I N A L AND I N I T I A L T - S C O R E S CORRELATED WITH THE REPORTED NUMBER 0 ^ P RI O R S C I E N C E C L A S S E S B id p oin t o f C. I . Number 2 .5 21 0 .5 2 a) L 0 ° an 1 1 3 6 1L5^ 6 EH 12 rH •i— i •rH C 'a c a? i— i CD £ *U -H -. § Jt'ii > ■ r ' ^-‘ >„,,' -.*■**?>-v . * * * « ^ *- -?£''*.■*&,.+ **& *■ ■*— f ^ ^ n y y s M 1^ f ^ # 31, >*4 ^ # # ^ “ «R™ fwiv" * W ^ IW p «?p wWPfWr ’# ’*•* fW * ’JWWfwWB' *£aitqw t^5W^“^3WBP(HW^SS ' WWTOr wWWw* W # TOw m * r^ i-^- ''■•.--is m jide filH ii/ "Jv>* - .>„- -*&a?\ • -* -a*- 4 ?n. ■l«« '*wj«iti 77 ;**» i«w.a V -a’: ft, L«*afef T- U‘:-i*-i» b'm*.*:f*n t , JUniUsf i^iim m x 4, Tfe«>in.7« l a SitiTiK iH a»J SJsMi^iu e.ayfsai.ja^ner far Sa ana K ^ n 7 n Uor*>*:-1' '" ■vtui^j. m «*' :.v-1.-.i>'jr-tj;, .^•.r^V-»' •■: I * heir.y t>L#*k raarn sivii 4a> ':;*;% '■*n }.0. '»••'••■■■ ■^ : '-■ -v : *j givi'-n, ^ ^j > ai c^i'.h au'' f*.;'> -r: * S',■..<.■■ -a---,*^ *. ,«,■ t^ .T<>a thesfeTp&rat.^ < > . r \ - ■'.; "-; '■ '’■'^r-i ■■■■>,;' ? r^wtcrs, always W- ;-uiv. ;:.~.u '. ■.- ’. \ ■ (!ti> *i'UW*:.r .sfiix;;., Tvfa^ cr^'...-^*'‘ >■^-: <■ ■•■'■ " •*■' *H ? kind o n y o u r w w ^ r / - y r f-"‘? ■*« Ito k li ibm m tk m t m i beiisni. r.la u i:.» s.-. .«; /f ^ ly a,%y w c*ii, w» fm ^ m m tk»ld &a m m r Pmbtukmd bv W mU B*-*k H W vrte ■ , - - ,., I ,;V t %*|>I4 % b y \'?.;ra-‘ci m m m w ia<5 K- ^A W ^C ' II 7 , '7 'i' 71.7 77;'|7 C.i'r^tCt1 ': ■a--' '" -- , : ‘N-- *.• a, 7>”17RS3?£ _ - :■■: ' ■. . ■■■<--i |-u*'(a' f" ■»*'•■ ' - ,>! • '7 ,«-. -77'^ >•:■'■ ■:, • • ■;’ i- . . 7 .1, ■, i 5-^ . 1 ■•■ 7 (.,\'» : . ( ■ , , , ' 7.;7- « 7 , . ; i eiv E V A L U A T I O N GENERAL EDITOR. C06RDINAT0R WALTER N . DUROST, A N D A D J U S T M E N T SCHOOL OF EDUCATION, FOR S C I E N C E TESTS. V I C T O R S E R I E S B O ST O N UNIVERSITY H . N O I L , M I C H I G A N STATE C O L L E G E A D G E N E R A L S C I E N C E TEST HN G. READ F EDUCATION, B O ST O N UNIVERSITY FORM DONS: D o not open th is booklet u n til you are told to do so. is a test of your know ledge of general science. For each qu estion there are five possible answers. Y ou ecide which answer is th e b est one. Y ou m ay answ er a qu estion ev en w hen y o u are n ot perfectly ,t your answer is correct, bu t you should avoid wild guessing. D o n ot spend to o m uch tim e on any stion. y the sam ple questions below , and notice how th e answ ers are m arked on th e separate answer sheet. Sample A . The correct name for fluffy summer clouds is — 1. cirrus. 2. stratus. 3. nimbus. 4 . cumulus. 6. thunder. Sam ple A th e correct answer, of course, is “ cum u lus,” w hich is answ er 4. N o w look a t your answer At the top of th e page in th e left-hand colum n is a box m arked S A M P L E S . In th e five answer spaces m ple A , a h eavy m ark has been m ade filling th e space (the pair of d otted lines) marked 4. Sample B . The man known as the “ wizard of the plant kingdom” was — 6. Joseph Lister. 7. Louis Pasteur. 8. Luther Burbank. 9. Thomas Edison. 10. none of the above. correct answer for Sam ple B is “ Luther B urbank,” w hich is answ er 8; so y o u w ould answ er Sam ple B by a heavy black mark th a t fills th e space under the num ber 8. D o th is now . If th e correct answ er had n given, you w ould have chosen answ er 10, “ none of th e a b o v e.” i each question carefully and decide w hich one of th e answ ers is best. N o tic e w h at num ber your choice 2 n, on the separate answer sheet, m ake a h eavy black mark in th e space under th a t num ber. In marking swers, alw ays be sure th at th e qu estion num ber in th e te st book let is th e sam e as th e question number nswer sheet. Erase com p letely any answ er you w ish to change, and be careful n o t to m ake stray m arks kind on your answ er sh eet or on your te st booklet. W hen you finish a page, go on to th e next page, in ish th e entire te st before th e tim e is up, go back and check your answers. W ork as rapidly and as ely as you can. ?n you are told to do so, open your booklet to page 2 and begin. Published by World Book Company, Yonkers-on-Hudson, New York, and Chicago, Illinois Copyright 1950 by W orld Book Company. Copyright in Great B ritain. A ll rights reserved Read: O n Jch one of the following causes the wind to blow? J ., 2. S. 4. 5. differences in air pressure moving tree branches attraction of the moon the presence of water vapor in the air dust in the air Sun. Mon. Tues. Wed. Thur. Frl. San. what day, according to the above graph of barometric »sure, did a very bad storm occur? 6. Monday 7. Tuesday 8. Wednesday 9. Thursday 10. Friday three dishes of vanilla ice cream and one of chocolate ice ;am are set on a table out-of-doors, the chocolate ice cream LI melt the fastest because — 1. it is always softer when it is in the package. 2. it reflects the heat better. 3. it absorbs heat because it is colder. 4. it radiates heat because it is thicker. 6. it absorbs more heat because it is dark in color. 8. Charges of electricity which move along a copper wire tad which make up an electric current are called — 6. protons. 7. positrons. 8. neutrons. 9. electrons. 10. deuterons. 9. Which word does NOT describe a form of energy? 1. crystalline 2. electrical 3. atomic 4. mechanical 5. radiant 10. There 6. 7. 8. 9. 10. is night and day because the — earth revolves around the sun. moon revolves around the sun. earth rotates on its axis. sun revolveB around the earth. moon rotates on its axis. 11. Most erosion in the upper Mississippi Valley was cauad by the — 1. mining of iron. 2. mining of coal. 3. cutting of timber. 4. building of dams. 5. building of hydroelectric plants. >ods are heated when canned to — 6. kill the bacteria. 7. keep the color of the food. 8. remove the moisture. 9. improve the quality. 10. increase the air pressure. 12. Which one of the following is NOT a color obtained when white light passes through a prism? 6. red 7. yellow 8. brown 9. green 10. indigo hich one of the following statements is FALSE? 1. It is better never to drink when driving. 2. It is practically certain that alcohol will slow down your reaction time. 3. Alcohol is considered to be a poor food. 4. Everyone can take one drink without having it affect him. 6. Alcohol is often habit-forming, and its users find it difficult to stop drinking. 13. If an extremely long-needled variety of pine tree produced some cones whose seeds grew into short-needled tree*, it indicated that — 1. the parent pine tree was getting old. 2. there was not enough rain that year. 3. pollen from a hemlock tree reached the long-needW tree. 4. pollen from a short-needled pine fertilized the Ion* needled tree. 0. the seeds of the pine were damaged by squirrel*. asteur is known for his work with — 6. electricity. 7. bacteria. 8. molds. 9. radium. 10. X rays. >ne danger with most fuels is that when they are burned ley may produce 1. carbon tetrachloride. 2. carbon monoxide. 3. nitrogen monoxide. 4. hydrogen. 14. Most of the northern part of the United States is cover* with sand and gravel deposited by — 6. tidal waves. 7. sandstorms. 8. hurricanes. 9. meteor showers. 10. glaciers. 15. In an automobile, oil is used in the — 1. radiator. 2. crankcase. 3. vacuum tank. 4. gasoline filter. Which one of the following is most necessary for proper growth of the bones? 6. calcium 7. iron 8. fluorine 9. iodine 10. carbon It is possible to contract tuberculosis ONLY if one — 1. loses weight. 2. comes in contact with the tuberculosis bacillus. 3. gets overtired. 4. does not get enough fresh air at night. 6. is bitten by a certain kind of mosquito. . Sound vibrations from the human voice are changed to elec­ trical energy in the — 6. telegraph. 7. teletype. 8. telautograph. 9. teleportation. 10. telephone. i. Which one of the following statements about air on a moun­ tain top is true? 1. It has color. 2. It has odor. 3. It has weight. 4. It is visible. 6. It has taste. ). At present most gasoline comes from — 6. petroleum. 7. kerosene. 8. natural gas. 9. plant oils. 10. coal. * 1. On a sunny spring morning, spider webs in the grass were covered with tiny drops of dew. Where had the dew come from? 1. the air 2. the grass 3. the spiders 4. the morning sunlight 6. melted frost 2. Which one of the following is replaceable as it is NOT a natural resource of the country? 6. nickel 7. plastics 8. tungsten 9. petroleum 10. copper !3. Two explorers measured the height of the same mountain in Alaska— one in 1898, the other in 1940. Their results were different by over 500 feet. Which one of the follow­ ing best explains this discrepancy? 1. The 1898 figure was obtained in the summer. 2. The 1940 figure was obtained in the winter. 3. The 1898 figure was obtained by climbing the mountain. 4. The 1940 survey was by airplane, using photo­ graphic mapping. 5. None of the above rives a completely satisfactory 24. Which pair of terms is correctly matched? 6. Sun — satellite 7. Neptune — planet 8. Meteor — star 9. Moon — asteroid 10. Comet — sunspot 25. A green vegetable like lettuce is valuable in the diet because it supplies — 1. carbohydrates. 2. fats. 3. proteins. 4. vitamins. 6. all of the above. 26. Which one of the following causes the handle of an alumi­ num saucepan on a gas stove to become very hot, although the handle is not over the flame? 6. convection 7. evaporation 8. radiation 9. insulation 10. conduction 27. In poems and legends, ships which have sunk are said to “Float forever and forever Halfway between the ocean floor A nd stormy waves above.” These ships are thought to reach a point where the water is so dense that they will not sink. Why is this FALSE? 1. Wooden ships would be broken up by the water. 2. Metal plates on ships would bend under the great pressure. 8. Water can be compressed very little. Therefore, its density cannot be increased very much. 4. Ships with cargoes which will float cannot be sunk. 5. Salt water is much more dense than fresh water. 28. The geological formation above constitutes evidence of — 6. volcanic action. 7. erosion. 8. folding. 9. sedimentation in a running stream. 10. movement in the earth’s crust. 29. The distinctive shape of “ Green Mountain” potatoes U due primarily to the — 1. amount of cultivation they receive. 2. amount of rainfall. j 3. hereditary character of the seed potatoes. | 4. amount of fertilizer applied. >0. Which one of the following does NOT refract light? 6. eyeglasses 7. microscope 8. Galilean telescope 9. mirror 10. reading or magnifying glasses 11. Which one of the following does NOT usually carry bac­ teria which are harmful to man? 1. ticks 2. flies 3. mosquitoes 4. fleas 6. bees 32. It had been a clear, cold November day with the tempera­ ture at 25° F. That night at the railroad yards a leaky steam pipe sent a white cloud of steam into the air all night. The temperature remained at 25° F. In the morning what would probably be on the ground near the leaky steam pipe? 6. dew 7. sleet 8. frost 9. hail 10. steam 36. Which one of the following is an example of a ‘himiui change? 6. melting wax 7. breaking glass 8. burning wood 9. crushing stone 10. freezing water 37. If pulley X is turning at 178 revolutions per minute, the arrangement of pulleys that will give pulley Y the lowest speed of rotation is — X Y 1. ( 0 H 3 > X Y 2. « s n o > X Y 3. (Q~~To) X Y 4. 6. none of the above 33. Many low, rounded banks of sand, boulders, and pebbles were probably formed by — 1. glaciers. 2. meteor showers. 3. tidal waves. 4. sandstorms. 6. hurricanes. 38. About every seven years everyone should be vaccinatei against — 6. typhoid fever. 7. diphtheria. 8. smallpox. 9. influenza. 10. colds. 34. A comic-book science story showed a man building a big balloon out of very thin sheets of aluminum cemented to­ gether so as to be airtight. He pumped the air out of the balloon, and the balloon then floated. At present this would be impossible because — 6. aluminum cannot be made airtight. 7. it would take too much cement. 8. the outside air pressure would crush the balloon. 9. the balloon would not hold hydrogen. 10. aluminum is too heavy. 39. After the explosion of the gasoline occurs in a cylinder of a automobile engine, the next action in that cylinder is — 1. intake. 2. exhaust. 3. compression. 4. carburetion. 6. suction. Pistil - 35. Which one of the following diagrams shows best what will happen if 4 holes of the same diameter are punched at the same time in a tall tin can full of water? 2. A 1 — Anther Pistil - ■ -Anther 40. The process shown above at Y is called — 6. self-pollination. 7. cross-fertilization. 8. mutation. 9. cell division. 10. budding. 41. A dynamo causes electricity to flow by — 1. chemical action. 2. moving a coil of wire across a magnetic field. 3. moving a coil of wire in a storage battery. 4. moving static electrical charges to an insulator. iVhich pair of terms is correctly matched? 6. speed of light — 93,000,000 7. rotation of the earth — 186,000 8. revolution of the earth — 365^ 9. distance from earth to sun — 240,000 10. none of the above rracks of dinosaurs left on the muddy banks of streams are :ound now as fossils. About how many years ago were ;hey made? 1. 1 thousand 2. 10 thousand 3. 50 thousand 4. 100 thousand 6. 1 million Why does heat make iron easier to shape? 6. Heat often causes the iron to become red. 7. Heat increases the motion of molecules. 8. Heat causes the iron molecules to expand. 9. Heat decreases the elasticity of the iron. 10. Heat increases the density of the iron. Musical sounds result ONLY from what kind of vibrations? 1. amplified 2. supersonic 3. regular 4. slow 6. fast Astrologers use the position of the stars and the planets at the hour, day, and minute of a person’s birth to predict his future. Which one of the following statements regard­ ing this practice is true? 6. The modern astrologer can now predict one’s future more accurately because there are better telescopes in use. 7. Some astrologers inherit' the ability to understand the stars from their mothers or their fathers. 8. Study and long years of training in astrology make an astrologer’s predictions of one’s future more ac­ curate. 9. Very good astrologers are worth the high fees which they charge. 10. Scientific evidence has not shown that astrologers can predict the future of an individual on the basis of what they know about the Btars. 49. If a 500-pound weight is placed at the arrow, which lever will lift the 60-pound weight W the highest? 1. 1 3 2. 1 2 3. 1 1 4. 1 5. i 1 1 ‘ i A i A A i Iwl A Iwl J Iwl 2 Iwl 3 fwl 50. Which pair of terms is correctly matched? 6. Ursa Major — Big Dipper 7. Ursa Minor — Little Dog 8. Cassiopeia — Dipper 9. Polaris — The W 10. Orion — Milky Way 51. A warm cyclonic storm moves across the country from west to east in July. Winds blow strongly toward its center and rain falls near the edge of the whirling mass of air. In the diagram above the place where the temperature is most likely to be the lowest is at point — 1. 1 2. 3. 4. 5. 2 3 4 5 52. A pulley arrangement which gives NO mechanical advan­ tage is the — 6. single movable. 7. single fixed. 8. double movable, single fixed. 9. double fixed, single movable. 10. double movable, double fixed. Which one is NOT a lever? 1. pencil sharpener 2. seesaw 3. derrick 4. fishing rod 5. scissors 53. What part of the blood is effective in destroying invading bacteria? 1. plasma 2. red corpuscles 3. toxin 4. white corpuscles 5. lymph Which one of the following statements is true and applies both to magnets and to static electricity? 6. Copper particles are attracted. 7. Like charges or poles repel. 8. Paper is attracted. 54. The chemical name of the gas which is produced when coal is burned with plenty of oxygen is — 6. carbon tetrachloride. a 7. nitrogen. 8. hydrogen. 9. carbon dioxide. * i i _____ j . _ J : Gto. &0.-A S. Penicillin is obtained from — 1. molds. 2. bacteria. 3. vaccines. 4. laboratory animals. 6. serums. o 16. The circle above represents the age of the earth, and the shaded part represents the time that civilization may have existed. About how many years are represented by the shaded portion? 6. 50 thousand 7. 750 thousand 8. 30 million 9. 100 million 10. 1 billion 57. A large soap bubble will rise in the air if it is filled with — 1. carbon dioxide. 2. air. S. nitrogen. 4. oxygen. 5. hydrogen. 58. In an experiment, an iron ball at a temperature of 200° F. was placed in a pan and covered with water whose tempera­ ture was 72° F. The room temperature was 70° F. After 10 minutes the temperature of both ball and water was measured and found to be about — 6. 72° F. 7. 150° F. 8. 2 0 0 °F. 9. 201° F. 10. 272° F. 62. The oxygen in the air is necessary for all EXCEPT whu one of the following? 8. decay of wood 7. burning 8. respiration 9. rusting 10. photosynthesis 63. In January a warm cloud from which rain fell moved from the south northward. When it reached Vermont, the nin changed to snow. What probably caused the change? 1. The lakes were frozen. 2. N ot enough moisture was left in the cloud for it to rain. 3. The temperature of the air around the cloud waa 36° F. 4. The air temperature at the cloud level was 25* F. 5. The direction of the wind changed. 64. Radar depends for its operation on an electronic tube which sends out pulses of energy, and on a device called the — 6. spectroscope. 7. oscilloscope. 8. telescope. 9. camera. 10. projector. 65. A 125-pound box on rollers is pushed up an inclined plane. Which inclined plane will require the greatest force to move the box? 59. A vital factor in producing a new variety of tomatoes is — 1. selection of the best seed. 2. self-pollination. 3. good soil. 4. plenty of moisture. 5. cross-pollination. 60. Which one of the following has probably had the LEAST over-all effect in the breaking down of rocks into soil? 6. running water 7. wind, carrying sand 8. tides 9. explosives used by man 10. chemical changes 61. Which pair of terms is correctly matched? 1. longer string — higher pitch 2. heavier string — higher pitch 3. slower vibration — lower pitch t 4. faster vibration — lower pitch 5. 66. An acid used in the home is — 6. Boap powder. 7. bicarbonate of soda. 8. onion juice. 9. vinegar. each one of the following was expressed by a number, Ich one would be the largest? 1. speed of light in miles per second 2. distance from the earth to the sun in miles 3. distance from the earth to the moon in miles 4 . number of days necessary for one revolution of the earth 6. number of miles in a light-year 70. If a large empty tomato-juice can is completely sealed and then placed in a glass container from which most of the air is pumped, the can then will most resemble diagram — !! 1i ii i i 1l 6. sailboat going from a point 100 miles up the Mississippi iver to the ocean without stopping would — 6. float higher in the ocean. 7. float lower in the ocean. 8. weigh less in the river. 9. weigh less in the ocean. 10. be buoyed up less by the ocean. \ I n d ia In d ia n Ocean Vbout May 20, a southwest wind called the "wet monioon” begins to blow over most of India from the tropical Indian Ocean toward the Himalayas. Tremendous thunierstorms occur, and then the rainy season continues for ;wo or three months. The best reason why it rains so long sver most of India is that the — 1. cool air from the mountains is saturated with mois­ ture. 2. warm air from the ocean is cooled over the land. 3. warm dry air bumps into cool mountain peaks. 4. cool air from the ocean carries more water. 6. cool air from the mountains has picked up snow from the peaks of the Himalayas. 1i i1 11 11 11 7. i i i 1' 1! 1 i i 8. u 9. 10. 71. Which one of the following is a compound? 1. sugar 2. iron 3. hydrogen 4. sulfur 6. mercury 72. The resistance of conductors of electric current is measured in — 6. volts. 7. w a t t B . 8. amperes. 9. ohms. 10. coulombs. 73. Which one of the following is NOT a legume? 1. string beans 2. soybeans 8. corn 4. clover 6. alfalfa 74. If a friend says, "Oh, nobody in my family ever had diph­ theria, so I won’t ever have it,” you might properly make all EXCEPT which one of the following statements? 6. "We can ask the school doctor about diphtheria.” 7. “ Let’s look it up in a health book.” 8. "I had the diphtheria toxoid and now I probably won’t have diphtheria.” 9. “ Maybe you are right.” 10. "I don't believe that immunity from diphtheria is hereditary.” 75. If a completely new kind of melon appeared in a melon patch, and this new type of melon reproduced the same kind of melons from its seeds, the cause of this new type of melon probably was — 1. injury to the melon blossom. 2. mutation. 3. an extra amount of fertilizer. 4. self-pollination. 5. cell division. Go back and check your answers. ■ /.j * ► M tt ',, _, ^ , • f , wbmtm* 1 ftkftlftM.. C ewwteafc A • $, ' ' ■ ~ ' Sr:-: ■: „ ; IS » a 4 tr. f o r SMflpIt A. Die aom«( iw w r , w is k k w t Vow took m ftm m m m •bent* At tbe top of t&6 pup; in tlw Ie?t4uuid <«{.*«&» ** *•« RAMPUK5S. In tbr firing SffSWWr •fwr Sample A ,a baavy mark fea* been mmkt W-hag tfc «>m* ■'■&*im r nt dotted {met) m m m 4 BampkM. TJw iwn knows m ik» f. j»''r»-jin I jetor. ** A» M i l *‘ win ~ ?. I *."■;» ft, LAttc*r iiiirb&nkt, 1 ?fdtw*s .1®. n*m* **Cthe *hovu Yfsa « m * t **ww*r tor Sample B is **L n tW Burbank," «b»cb ** n m r •;* > yon wawM atwwtr ftaRC* I % frying a h«*vy fil&ek »*:*?« iias fills the- s i u n d o r t.hv nam lw 8. f * i t b o r» j n v w , , v o t t w o u l d h a w - c h o s e n IJo this now. ! f i e £ $ , < . . <'i t J > r *y i f - a C - 'W " '! .;■«»>•■••■ ' J i . - i K C •'< If tfse oamr-ef nMMHr W ’ «u. r*, • -,, ...n O A w i d . ')h ^ C C K JS f !' l * c K-v.cr • wh»» ;• •■• ■• ', ’■ «••• f c ■■■■'-•,- 'hi,-. h--ji , r : - * c !i, c^.i'c.h^r -r >,K.;- fci? 1:kx»,’ '-.o ..■ ■' « ,.- f t f ; a f v'Msf e h o fc* C ' - J ■ ' «’T ' * 'J tltf k iB J ‘ h-. '. c' „;. • I"-,.., .-• , •-; ; •.■■■ ■.C.lrtW •. "■ •• *•■. C'Ci.f.l-l ;v ' • , OV';*?*; ■..■ ■■■'■ • h .w oafli.* 1>?; ,.■■•■-■ 3-.*..; ;■: , .'>0' O,' c- -he;. %'h'C Vc,c ' > : ,'i^ ,' . ' ^ - IH’l! <'*8#*, I an :aci 4,ch ■'0\-.-y If v.1 . fia ; -h is.*; t-ci;-!-• ‘Iiiits*urn>h' v you iao '? «r::* Uth' W'h«- you ors: u-:h r.O' ,-t to ■i «*y WAITER N. DUROST, S C H O O L OR E D U C A T I O N , F O R S C I E N C E TESTS! VICTOR H. NOLL, M I C H I G A N GENERAL EDITOR! B OS TO N UNIVERSITY CO&RDINATOR STATE C O L L E G E R E A D G E N E R A L S C I E N C E TEST iy JOHN G. READ FORM S C H O O L O F E D U C A T I O N , B O S T O N UNI VERSI TY DIRECTIONS: Do not open this booklet until you are told to do so. This is a test of your knowledge of general science. For each question there are five possible answers. You are to decide which answer is th e best one. You m ay answer a question even when you are not perfectly sure that your answer is correct, but you should avoid wild guessing. D o not spend too much tim e on any one question. Study the sam ple questions below, and notice how the answers are marked on the separate answer sheet. Sample A . The correct name for fluffy summer clouds is — 1. cirrus. 2. stratus. 3. nimbus. 4. cumulus. 5. thunder. For Sample A the correct answer, of course, is “ cumulus," which is answer 4. N ow look at your answer sheet. A t the top of the page in the left-hand column is a box marked SA M PLES. In the five answer spaces after Sample A, a heavy mark has been made filling the space (the pair of dotted lines) marked 4. Sample B. The man known as the “ wizard of the plant kingdom" was — 6. Joseph Lister. 7. Louis Pasteur. 8. Luther Burbank. 9. Thomas Edison. 10. none of the above. The correct answer for Sample B is “ Luther Burbank," which is answer 8; so you would answer Sample B by making a heavy black mark th at fills the space under the number 8. D o this now. If the correct answer had not been given, you would have chosen answer 10, “ none of the above.” Read each question carefully and decide which one of the answers is best. N otice what number your choice is. Then, on the separate answer sheet, make a heavy black mark in the space under that number. In marking your answers, always be sure that the question number in the test booklet is the same as the question number on the answer sheet. Erase com pletely any answer you wish to change, and be careful not to make stray marks of any kind on your answer sheet or on your test booklet. When you finish a page, go on to the next page. If you finish the entire test before the tim e is up, go back and check your answers. Work as rapidly and as accurately as you can. When you are told to do so, open your booklet to page 2 and begin. Published by World Book Company, Yonkers-on-Hudson, New York, and Chicago, Illinois Copyright 1950 by World Book Company. Copyright in Great Britain. A ll rights reserved a PUNTEDINC.S.A. RGB:B-l 1. A fire bums more slowly in a stove or fireplace when the dampers are closed because there is less — 1. 2. 3. 4. 5. oxygen. nitrogen. smoke. fuel. heat. 2. The only source of heat given below which may NOT pro­ duce carbon monoxide is — 6. gasoline. 7. electricity. 8. kerosene. 9. coal. 10. oil. 3. A person can be sure that he is free from active pulmonary (lung) tuberculosis ONLY by having — 1. yearly skin tests. 2. radium treatments. 3. a blood test. 4. a throat examination. 5. yearly chest X rays. 4. Millions of dollars were spent to build the 200-inch telescope on Mount Palomar in California. It will be used largely to take pictures of stars billions of miles out in space. Which one of the following statements is probably true? 6. This 200-inch telescope is useful only to the men who enjoy looking at the stars. 7. The discoveries made by looking through great telescopes have been of little use to ninth-grade pupils. 8. The money used to build the 200-inch telescope should have been used to find the causes of some human diseases. 9. No one can tell what discoveries, useful to man, may be made by the 200-inch telescope. 10. It was a waste of money to build the 200-inch telescope, as smaller telescopes are just as good. 5. Which one of the following statements is probably true? 1. Willingness to study hard for long hours is impor­ tant if a person is to become a doctor. 2. No one can be a successful doctor if his parents are wealthy. 3. It is possible to become a doctor today with very little formal education. 4. Only those who have saved money enough to go to medical school can become doctors. 5. Poor home living conditions prevent success in the field of medicine. 6. Which one of the following does NOT belong with the other four? 6. frost 7. hail 8. dew 9. sleet 10. snow 7. The most effective way to prevent future floods in hil country where lumbering is a major industry is to — 1. 2. 3. 4. 5. reforest after cutting mature trees. make ditches. build dams. build restraining levees. build hydroelectric plants. 8. A 125-pound box on rollers is pushed up an inclined plan Which inclined plane will require the LEAST force 1 move the box? (Neglect friction.) 8. 9. 15' 10 . 9. The most effective way eventually to wipe out small] in the United States is through — 1. 2. 3. 4. 6. quarantines during smallpox epidemics. regular health inspections in schools. inspection of foods. vaccination of all children. chlorination of drinking water. P is til- - 10. The process shown above at X is called — 6. 7. 8. 9. 10. self-pollination. self-fertilization. cell division. budding. cross-pollination. 11. White light can be broken into rainbow colon by means of a — 1. photometer. 2. telescope. S. prism. 4. reflector. 5. mirror. 12. Water used in an automobile battery should be — 6. chlorinated. 7. distilled. 8. carbonated. 9. filtered. 10. sterilized. 13. The dust storms of the Great Plains and the deserts carry soil for miles. As the velocity of the wind dies down, which particles of material are deposited first? 1. the heaviest 2. the driest S. the lightest 4. the smallest 5. the smoothest 14. Very short electrical waves of extremely high energy given out in pulses are “ bounced” off objects which are normally invisible because of darkness, fog, or distance. This form of communication is called — 6. short-wave telephony. 7. radiation. 8. radar. 9. telegraphy. 10. radio. 15. A thermometer made of a plastic that stretches a little would NOT be accurate when tested in hot water be­ cause — 1. the molecules of the mercury would stick to the plastic. 2. the molecules of the mercury would have more space between them. 8. the molecules of the plastic would be changed to mercury. 4. the mercury could expand in more than one direc­ tion. 6. the mercury molecules would escape through the plastic. 16. Which one of the following insects is most likely to be a carrier of malaria germs? 8. fly 7. ant 8. mosquito 9. flea 10. bee 17. A famous laboratory discovered that alcohol even in small amounts will slow down a man’s “reaction time” by as much as 20 per cent. An automobile driver who has had a drink has an accident. In the police court, the most scientific statement for him to make is — 1. “ Alcohol never bothers me.” 2. “ I was driving carefully.” 3. “ The weather was good and I could see the road way ahead.” 4. “ I didn’t have time to stop.” 5. " I shall depend on the doctor’s report of mycondi- 18. Sound is possible ONLY if some material is — 6. heated. 7. vibrating. 8. stretched. 9. compressed. 10. electrified. 19. All materials which are used to change electrical energy into heat energy must — 1. be easily oxidized. 2. be made of nichrome. 3. be enclosed in vacuum tubes. 4. havfe a low melting point. 6. be conductors of electricity. 20. When starchy foods are eaten, they are usually first changed by a digestive process that begins in the — 6. stomach. 7. small intestine. 8. mouth. 9. liver. 10. pancreas. 21. Petroleum is found in — 1. sea water. 2. plants. 3. granite. 4. limestone. 6. porous rock layers. 22. Of the following, the most important source of calcium is — 6. potato. 7. meat. 8. celery. 9. chocolate. 10. milk. 23. Which one of the following statements best describes tht air in this room? 1. It is nitrogen. 2. It is oxygen. 3. It will burn. 4. It is a mixture of gases. 5. It is visible. 24. Which one of the following shines by reflected light? 6. star 7. moon 8. sun 9. meteor 10. sunspot 25. Stalagmites and stalactites found in underground cavei consist principally of — 1. mica. 2. lava. 3. slate. 4. limestone. 6. anthracite. ^ aL* hm«4 rt/lflJi Qtn. Uq.. 26. If a bar magnet is broken into two parts, it will produce a total of — 6. two S poles. 7. three N poles. 8. three S poles. 0. four N poles. 10. four S poles. 27. In the winter, a mile of railroad track was laid in a straight line over a flat sandy place. The ends of the rails were fitted carefully together, so that when a train went over the joining cracks there would be no bumps. Why, after a very hot day the next summer, did the originally straight track have curves and bends in it? 1. The sand reflected the heat. 2. Steel molecules do not vibrate. 8. Heat increased the motion of molecules. 4. The steel rails softened in the heat. 6. Molecules of steel were changed to iron. T h u rsd ay 6 A.M. T h ursd ay 6 P.M. F r id a y 6 A.M. F r id a y 6 P.M. Barometer 30.00 30.01 29.98 30.00 Temperature 44° F. 36° F. 30° F. 20° F. Wind Direction West North­ west North North Clouds Cumulus Cumulus None Cumulus Weather Rain Clearing Clear Clear 28. According to the chart above, what is the best weather prediction for Saturday? 6. snow, clearing 7. Bnow, colder 8. rain, colder 9. clear, colder 10. cloudy, warmer 29. In developing a new blueberry, which one of the following methods is most apt to produce a sweeter, larger berry? 1. plant cuttings of very sweet berries near cuttings of large berries 2. cross-pollinate very sweet berries with very large berries 3. self-pollinate very sweet berries 4. self-pollinate very large berries 6. mix the seeds of very sweet berries with those of very large berries, and plant them together 30. Scarce metals used in industry may in some situations be replaced by — 6. plastics. 7. copper. 8. nickel. 9. steel. 31. The kidneys are necessary in — 1. respiration. 2. elimination of wastes. 3. circulation of the blood. 4. reproduction. 6. digestion. 32. A tightly fitted steel plug rests on top of water in a ste pipe. Why will the pipe burst if the plug is struck with heavy hammer? 6. The steel plug will not float on the water. 7. The water makes the plug stick. 8. The water is not pure. 9. Steel is harder than iron. 10. The water is not compressible. 33. The terms of which pair belong together? 1. Lister — yellow fever 2. Reed — antisepsis 3. Pasteur — bacteria 4. Jenner — radium 6. Curie — smallpox 34. When a boy drinks milk through a straw, what nukes 1 milk rise into his mouth? 6. osmotic pressure 7. differences in air pressure 8. capillary action 9. fat particles in the milk 10. molecular motion in the milk 35. On New Year’s Day, when it is early afternoon in C fornia, it is nearly dark in Boston. This difference in ti is due to — 1. daylight-saving time. 2. revolution of the earth. 3. rotation of the sun. 4. rotation of the earth. 5. mean Greenwich time. 36. A motor converts — 6. electrical energy into chemical energy. 7. rotary motion into electrical energy. 8. electrical energy into mechanical energy. 9. power into rotary motion. 10. chemical energy into rotary motion. 37. If pulley X is turning at 178 revolutions per minute arrangement of pulleys that will give the greatest spee rotation to pulley Y is — X Y i- 0 n > X Y 2. f(oT : U«.8A-i 52. Which one of the following levers will lift the 60-pound weight W if a 20-pound weight is placed at the arrow? (Neglect weight of the lever.) 6. •!________ 3________ A l Iwl A 7. 1 2 8. \ 9. L 10. 1 1 1 A 1 A 2 [wl 58. Wind and running water are most effective in breakim down rocks into soil when they — 8. are cool. 7. are warm. 8. move slowly. 9. carry sand. 10. are changing direction. ]wl Iwl [wl 53. Two scientists in a balloon filled with helium gas ascend to a height of 2000 feet. They have with them the follow­ ing equipment: 2 tanks of compressed helium; an air pump; 10 heavy canvas bags each filled with sand and fastened to a strong 100-foot rope. To take some meas­ urements at 1000 feet, the scientists must — 1. pump air into the balloon. 2. release some of the helium from the balloon. 3. pour the sand over the side of the basket. 4. lower one or more of the bags of sand to the full length of the rope. 5. let some of the compressed gas from the tanks flow into the balloon. 54. If the geological change shown above should occur in the United States today, it would be accompanied by — 6. erosion. 7. an earthquake. 8. a volcano. 9. sedimentation. 10. folding. 50. The diagram above is an illustration of — 1. Ursa Major. 2. Big Dog. 3. Canis Major. 4. Cassiopeia. 6. Draco. 60. Heat travels from a hot-air register near the floor to t farthest corner near the ceiling of a room by — 6. humidiflcation. 7. evaporation. 8. convection. 9. conduction. 10. radiation. 61. Which arrangement of pulleys gives the greatest mechi ical advantage? 1. double movable, single fixed 2. double movable, double fixed 3. single movable 4. single fixed 5. double fixed, single movable & 55. Which one of the following is NOT a base or an acid? 1. salt 2. vinegar 3. lye 4. milk of magnesia 6. grapefruit juice 56. The distinctive bright red color of ripe “ John Baer” tomatoes depends primarily on the — 6. amount of rainfall. 7. amount of sunshine. 8. temperature. 9. hereditary character of the seed. 10. amount of fertilizer used. 57. Which tool does NOT belong with the other four? 1. saw 2. chisel 3. knife 4. wedge In d i a I n d ia n O cean . In India, after three months of rain, the northeast ‘ monsoon ’ begins to blow in October and cold air from Himalayas covers almost all the country. Why is t little or no rain at this time? 6. The cold air is too heavy to form clouds. I" co.^ a'r ^as snow, not rain, in it. o rp ^ a*r can hold little moisture. 1 a" oc.ean wa^er does not evaporate in the fall 10. Cool air becomes colder as it flows down froir . Charges of negative electricity which move freely are called — 1. protons. 2. neutrons. 3. atoms. 4. molecules. 5. electrons. . If a neighbor says she is not going to have her child given the Schick test to see if he is immune to diphtheria, as no one gets diphtheria nowadays, you should be willing to do all EXCEPT which of the following? 6. Agree with her decision. 7. Explain that the test is harmless. 8. Tell her about the four cases in the local hospital. 8. Ask her to request free information from the school doctor. 10. Help her to arrange for a Schick test. I. Which one of the following is the largest? 1. meteor 2. star 3. comet 4. moon 6. earth f. Conversations over telephone wires really travel as — 1. sound waves. 2. light waves. 3. mechanical energy. 4. heat and energy. 5. electrical energy. A pilot flying an airplane over a mountain range whose highest peak is 3000 feet checked his altitude with his altimeter (air-pressure height-meter) at points P, R, S, and T, as shown above. The altimeter readings the pilot made at these points were most like those below in column — 7 P-4000 R-4000 S-4000 T-4000 P 2000 R-1000 S-2000 T-4000 8 9 10 P-2500 R-4000 S-2000 T-1000 P-1000 R-2000 S 3000 T-4000 P-4000 R 2000 S 4000 T-1000 72. Legumes can take nitrogen from the air with the aid of certain — 6. bacteria. 7. chemicals in the soil. 8. cultivation methods. 9. temperature changes. 10. molds. 73. Which one of the following statements about the air is true? 1. It is mostly oxygen. 2. It is about one-half carbon dioxide. 3. It is about one-fifth hydrogen gas. 4. It is about four-fifths nitrogen gas. 5. It is about one-third krypton, neon, and argon. 5 ea level 6 70. Which one of the following is an element? 6. water 7. limestone 8. sulfur 9. wood 10. carbon dioxide 71. Gas used for cooking in homes is often made from — 1. lime. 2. nitrogen. 3. kerosene. 4. wood. 6. coal. i. A bright blue coat contains a dye which absorbs all the following colorB EXCEPT — 6. red. 7. orange. 8. green. 9. blue. 10. yellow. 8. 69. On a very calm December day, the air temperature up to 1600 feet was below 30° F. Above 1600 feet the tempera­ ture ranged from 38° F. to 43° F. If rain falls from clouds at 3400 feet, what strikes the earth? 1. frost 2. dew 3. rain 4. sleet 5. hail 74. Geraniums can be started by cutting a “slip ” from a plant and rooting it in sand. If a red geranium is “slipped” and grown in sand between a white geranium and a salmoncolored one, the slip will produce a bloom which is — 6. salmon-red. 7. pink. 8. salmon-red and pink. 9. white. 10. red. 75. In a gasoline engine, when the energy of the gasoline is changed into heat, it is called — 1. intake. 2. compression. 3. explosion. 4. exhaust. 6. carburetion. rn 1 Go back and check your answers. { v1r s t ° re l ircin^ry ;?o " o r t +o Cooperating Teachers) the I L L I N O I S 3TA1H I JR.' AL 'TNI VLRSITY NORLAL, I L L I N O I S ( a d d resses to the In dividu al cooperating sch ools) I am o f f e r i n g t h i s p r e l i m i n a r y r e o o r t o f my p r o j e c t i n w h i c h yo u a re h e l p i n g by g i v i n g t h e Read l e n e r a l S c i e n c e T e s t to your students, I h a v e s p e n t so m e t i m e s t u d y in t the s c o r e s o f th e 2 ,3 0 0 or so s t u d e n t s . The r e s u l t s are th o u g h t p r o v o k in g . S u ffic ie n tly so, in fa c t, that I am n o w a s k i n g y o u t o h e l p me e x a m i n e t h e w h o l e p r o j e c t t o s e e i f t h e r e a r e f a c t o r s t h a t I may h a v e o v e r l o o k e d w h i c h m a y , i f b r o u g h t u n d e r c o n t r o l , h e l p w i t h an a n a l y s i s o f t h e data, TocvI have w ondered about th e e x t e n t to w hich th e i n t e l l i g e n c e o f t h e s t u d e n t s may a f f e c t t h e i r p e r f o r m a n c e o n t h i s t e a t . In a n t i c i p a t i o n o f t h i s I as,.ed th e a d m i n i s t r a t o r s o f th e c o o n e r n t i n r s c h o o l s i f I n t e l l i g e n c e s c o r e s o f so m e s o r t w o u l d be a v a i l a b l e f o r t h e i r s t u d e n t s . By now I b e l i e v e t h a t I n t e l l i g e n c e may be a s i g n i f i c a n t v a r i a b l e and h a d b e t t e r be exam ined. W ill you p le a s e ask you r p r i n c ip a l or su p e r in te n d e n t t o g i v e me t h e i n t e l l i g e n c e s c o r e s f o r y o u r s t u d e n t s ? I t m a y b e c o n v e n i e n t t o w r i t e th e m o n t h e e n c l o s e d y e l l o w s h e e t w h i c h l i s t s t h e i r s c o r e s on t h e Read L e s t . P l e a s e be su re t o h ave someone i n d i c a t e w h ich i n t e l l i g e n c e t e s t was used and w h a t t h e s c o r e s m e a n , 1 . e . , raw s c o r e s , p e r c e n t i l e r a n k s , or i n t e l l i g e n c e q u o t ie n t s . .A n o th e r h u n c h I h a v e i 3 t h a t t h e s o c i a l and e c o n o m i c c o n d i ­ t i o n s o f t h e hom e b a c k g r o u n d s o f t n e s t u d e n t s may b e a s i g n i f i ­ cant v a r ia b le . Do y o u k n o w y o u r s t u d e n t s w e l l e n o u g h t o b e a b l e t o p l a c e a n "R i n f r o n t o f th e names o f about t e n p er c e n t w h o com e f r o m d e f i n i t e l y g o o d h o m e s a n d a HP ,f i n f r o n t o f a n e q u a l ni nmber w h o com e fr o m d e f i n i t e l y " p o o r ” s o c i a l a n d e c o n o m i c h om e b a c k g r o u n d s ? P l e a s e f e e l f r e e t o o f f e r a n y g u e s s e s y o u c a n t h a t may h e l p a c c o u n t f o r the d a ta on t h e a t t a c h e d r e p o r t . T hese "-nesses ma y i n v o l v e t h e q u e s t i o n s o n t h e p e r s o n a l i n f o r m a t i o n f o r m , t h e H e a d T e s t i t s e l f , o r my w h o l e e n c r o a c h t o t h e p r o b l e m o f the r e l a t i o n s h i o o f the p r e - n in t h grade sch ool s c ie n c e ex p er­ i e n c e s t o the a ch iev em en t in the n in t h "rade g e n e r a l s c i e n c e course, ' T i a t r u e t h a t m y m a i n focus i s o n a c h i e v e m e n t . T h is c a n 't b e e x a m i n e d u n t i l t h e s c o r e s a r e i n h ro m t h e s e c o n d f o r m o f t h e t e s t t o b e itiven in t h e s p r i n t . H ow ever, I p r e f e r to probe as any o f t h e d a ta a s I cai w r i l e th e p r o j e c t i s f r e s h in o u r m i n d s . Thanks f o r y o u r c o o p e r a t i o n and I hope th a t someday I can h e lp y o u i n v e s t i g a t e a problem th a t has o r i g i n a t e d i n y o u r m ind. S in cerely J o h n H. A ssist. (Page yours, Woodburn P rof. o f Scien ce 2) The f o l l o w i n g r c n o r t c o n s i s t s ain ly of oresen tin ? t h e m i d o r m e d i a n s c o r e and a r i t h m e t i c a l a v e r a g e s c o r e o f p r o n n s o f t h e s t u d e n t s w h o t o o k t h e He a d T e n e r a l Scien ce l e s t th is fa ll.. For e x a m p le, the f i r s t p o r t i o n may b e r e a d : " 2 2 9 6 s t u d e n t s who e n t e r e d t h e n i n t h p r a d e i n 27 C e n t r a l I l l i n o i s s c h o o l s t h i s f a l l h a d a edian s c o r e o f 3 2 . 5 6 and a n a v e r a g e s c o r e o f 3 2 . 6 2 . " Number 2236 3392 D escrip tion S tu d en ts e n te r in g the n in th m ad e general s c i e n c e c o u r s e in 23 C en tra l I l l i n o i s s c h o o l s ...................................................................................................... S tu d e n ts c o m p le tin g the n in sc ie n c e cou rse l a s t sp rin g t h r o u g h o u t 'J. S . ( N a t i o n a l p r o v i d e d by t h e W orld Book Students 8l 6 LU4.6 en terin g the ninth M edian Mean 3 2 . Il6 32.62 th grade general in 56 sch o o ls e n d - o f - y e a r norma C o m p a n y . ) .................. llO grade in .H u ............... S tu d e n ts e n te r in g the n in th -rade g en era l s c i e n c e c o u r s e who i n d i c a t e d t h a t t h e y h a v e a t o t a l o f b e t w e e n 0 and 3 w e e k l y c l a s s e s in science d u r i n g t h e 6 t h t h , and 3 t h t r a d e s . Same as a b o v e ex cept t h a t t h e y i n d i c a t e d e total of between U a n d 7 w e e k l y c l a s s e s i n UO. 8 3 ............... 29.02 scien ce du rin g the 6th, 7 th, betw een and 8 3th tr a d e s. and 3 3.7 5 51+2 Students in d ic a tin g 11 c l a s s e s . 752 S t u d e n t s i n d i c a t i n g b e tw e e n 12 and 15 c l a s s e s in s c ie n c e d u rin g the th r ee g ra d es p r i o r t o t h e n i n t h ..................................................... 314..1+3 3 I4. . I I N o t e : T h e s t u d e n t s fr o m in d ic a te that th e y have had on th e a v e ra g e a t o t a l o f w eek ly c l a s s e s in s c ie n c e d u rin g the 6th , 7 t h , and 3 t h g r a d e s . A random provid es 2lj_0 216 sam ple o f about o n e - f i f t h the fo llo w in g data: of the total papers B o y s ............................................................................................................... ' I i r i s ............................................................................................................. N ote: A nother sarm le th e se r e s u l t s - Boys: 3 1 . 3 and 3 2 . 1 . 87 Students w i t h fa r m 75- Students w ith v i ll a g e 29h Students w ith c it y 3U-.2 31 - 2 32+. 9 31 . 1 32.1 32.3 33* 6 33*9 32.35 32.3 s i m i l a r l y drawn y i e l d e d 3 5 . 5 and 3 5 . 2 . O i r l s b a c k g r o u n d ...................................... b a c k g r o u n d ............................ b a c k g r o u n d ...................................... N o t e : The d i s t i n c t i o n b e t w e e n c i t y and v i l l a g e w h e n l e f t un t o t h e s t u d e n t s w a s s o m e w h a t l o o s e . A n oth er c h e c k b a s e d on th e s i z e o f the c i t y i n w n ich th e s c h o o l was l o c a t e d showed t h a t 527 stu d en ts in 5 sch o o ls in c i t i e s w ith a pop­ u l a t i o n above 3 0 ,0 0 0 had a m edian sc o r e o f 2 3 . 7 0 and an a v e r a g e s c o r e o f 2 9 . 1 3 * 76 163 20? 222 Students w ith ItH C l u b e x p e r i e n c e 32.7 33.7 S t u d e n t s w i t h m o r e t h a n 3r y e a r o f S c o u t w o r k .............................................................................................................. 33- 2+ 33* 8 S t u d e n t s who r e o o r t e d t h a t t h e y more t h a n 2 b o o k s ab o u t s c i e n c e p a s t two o r t h r e e y e a r s 32.1 32.1 32.1 32.1 have read d u rin g the S t u d e n t s who r e p o r t e d r e a d i n g l e s s two b o o k s ab ou t s c i e n c e d u r l r n th e t w o o r t h r e e y e a r s ............................... than past A random s a m p l e 5 l •!% o f I4.OO p a p e r s of the earth 51 • h f° o f the life 3 3 .2 $ o f the corre c t l y . science science ph ysical The n a t i o n a l n o r m s 5 3 » k .'* f an, by u s i n g Total score a g a i n s t t h e t o t a l num ber o f s c i e n c e c l a s s e s r e p o r t e d by th e s t u d e n t s i n t h e 6t h , 7 t h , a n d 8 t h g r a d e s .................................................................................................. 14. 0 0 Total score a g a in st score on e a r t b scien ce ^4-00 Total score again st score on l i f e 14. 0 0 Total score a ga in st score on p h y s i c a l science .17 item s. .35 item s.. .82 science item s .8 3 ( T h e o r i g i n a l c o n y o f t h i s r e p o r t w a s i n t h e fo r m o f a m im eographed l e t t e r so a r r a n g e d as t o p e r m i t f i l l i n g in the d a t a , where a p p r o p r i a t e , fo r ea ch s c h o o l . ) put*? . 5,fc m M kl * : yjm *S %«*•$£&' yuafej^ . " ’"/-V ^, %h* M M « & i p m $ m - .L ^ .^ w —^ -- ?^ y y * ^ y s « ? y « - ^ % & . ^J.i'ic s* * * * * » ..« * * *«**» * * * * * * * * f t m * ( » 1w ^ ' - |4M l**»4 i» . lib* WU**S* #Wfc*g $patf**a *£*.*»©■* «*»*** tea?. th « %*fc*** A a»««p>M»r «)S^ fe*% ar*G*fc »im * * *%*«««*«. f ‘J N m - « m # 1 » a lc t t SKml f c * W M & -.^ -#’;’; a it ’c ^ a t a c k . v t oh » i:-t‘fisai.?i o f o f ,v$*ur t-ewr^ft 3f?‘«t»,r«cl o r too % I 'Ssy m i « # *rh\o « | » # Ti>.. s \« c i l o o t « ifS®- ;fe*<;S;i>v.5'' ,'| fj.-c IucOt o i n t„>.1 « wt.^-2:y 41- S r, OO? 'ft I f •'i- -■"S*'J.O-;'.i0 ^>'- 0 O'# Of -;a-d CN^mtr--*! ? ;:■ r o # 1 'T'rri 1 T o r e i 1 *•■■■/-xn-Ami^m :OOf,xi t0«*.* t'Ou • l '% •t , ■::> U ov. lo. I ': •■ O 'Of "■■ . i:?o « ;:i . *:. f i ■• O.OJ : ovJ I'Tf'- 1 ' * : •»:' r< ■', }' “ . ■' "*‘..V j',' . ^■‘-'-0? ? o . .0 : -'.' :i: -ft 'i 4 - i '", r 1 o r ..■ o, - 'I -if. rA n € ’,. i .-:■'al. l3 t*K ■mJm „ ■"'-I $1* i-i '• :-r* t ii • : .. i* - i» ia 8 .a4 1 s*»« w Ai-.* *»W U hS ;# •' •-»■ •• -,; •>•=••>'•-' • *?rr .t ' •” - ' t - .> *: t £» l e t ' , li iy vtvi^it? to? '’if*# r * : iti- t'* « i&w% . ,tt'v * i*"1 i>r* ?>*■hh \?c i Vi *-l*r 'I " * ‘ <«"t j,.. a*j»• ^ f f .* r \ IW '* I 4a > -.- - j.;,>. - ' •-v-' '4 v- v..*., <, v '* isA » *V , th » C o o p e ra tin g T e a c h e rs ) -> «•,; a *i ~ ; , v : I •*<*#* <* %. • ■y»: i* ’ tt i,;* " , >>?:ii fc'Vt *»-'- . <;;/ , t f / ,tr. *?ith n ”r*v 'V_ .*■* • i<, * £* i« .*> -* I f e w t'r V* %*£,•-, *>: OttMfcT?-® ? J* ^ -',; Skusp** '-w H * * : J * « • * , '^ k S w -W ^ - m p f e * ' : i,i',4-’ • . ***''*„-«< i^|43l iij 'V" • ^ * iV ?t ? i‘ t ■** i; » , •*"’ i f " p 'tn r 'iiis m / ,' r . A4 * *Vt t># ■- • .ty ' •—t e v^ry* 4 i » ■. .-*t *'*rci* t/in v S %%r-vi _y * c i o i ? « i y y^1 I It '*M' vf#'. i ILLINOIS STAT'l ITORkAi UlTrCRSIhY ITor.uul, I l l i n o i s Septem ber 1 0 , 1951 T h is summer I f i n i s h e d s t u d y i n g th e r e s u l t s o b t a in e d f r o n th e g e n e r a l s c i e n c e p r o j e c t w it h w h ich you h e l >ed me l a s t w i n t e r . Ycu nay r e c a l l t h a t th e Read G en era l S c i e n c e T e s t was g i v e n t o ’■our n i n t h grade g en era l sc ien ce stu d e n ts. In a p p r o a c h in g t h i s b r i e f r e p o r t I hope you sh a re v /it h mo somewhat t h e same a t t i t u d e tow ard th e u s e o f t e s t s w h ic h hrve n o t b ee n composed by t h e c la s s r o o m t e a c h e r t o o b s e r v e th e p e rfo rm a n ce o f s t u d e n t s on le a r n in g e x o r c is e s . I l o o k upon su ch t e s t s a s th e one u s e d i n t h i s p r o j e c t a s a means w hereby a sam ple o f th e c l a s s e x p e r i e n c e s o r d i n a r i l y i n c l u d e d i n t h e n i n t h g r a d e g e n e r a l s c i e n c e c o u r s e may bo s e p a r a t e d from the t o t a l . A m etaphor may h e l p you s e e my a t t i t u d e . I have come to l o o k moon th e t o t P i com plex o f e x p e r i e n c e s w h ic h we p r o v i d e our s t u d e n t s a s so m e th in g l i k e a f l o w i n g str e a m . A t e s t th e n becomes a means to d i v e r t a p o r t i o n o f th e t o t a l e x p e r i e n c e s th r o u g h a sm a ll c a n a l so th a t a c l o s e r stu d y r.vy be made. I t th e n becomes a m a tte r o f judgment a s to how r e p r e s e n t a t i v e o f t h e w hole stream o f o x r x ir ie n c e s i n c l u d e d i n t h e c o u r s e i s t h a t s m a ll stream t h a t was d i v e r t e d t o p e r m it o b s e r v a t i o n . Some t o ’c h e r s t e n d t o l o o k unon a t o s t a s e x t e n d in g c l e a r a c r o s s th e t o t - 1 str ew n o f c o u r s e a c t i v i t i e s and sa m p lin g e a c h o f t h e e x p e r i e n c e s a r r a n g e d by th e t e a c h e r t o b r i n g about t h e g ro w th o f h i s or h er s t u d e n t s . The v a l i d i t y o f t h i s p o i n t o f v ie w a g a in r e s t s on th e t e a c h e r 1s judgment o f how r e p r e s e n t a t i v e o f th e t o t a l c o u r s e a c t i v i t i e s are th e e x e r c i s e s in th e t e s t . I can s e e how e i t h e r o f t h e s e i n t e r p r e t a t i o n s m ight bo a p p l i e d t o a i d i n u n der s t a r d in g th e re.r-vf t s o f your s tu d e n t s in my rose rrh p r o je c t. The o n ly i n t e r p r e t a t i o n tow ard w h ich I ta k e a v e r y dim v ie w i s t h a t a t e s t , c o m m e r c ia lly p r e p a r e d or t e a c h e r d e s i g n e d , p r o v i d e s a m easure o f th e w h ole com plex o f e x p e r i e n c e s r e p r e s e n t e d by a to u c h e r *s c o n t a c t s w i t h a group o f s t u d e n t s . The f a c t t h a t t h e e n d - o f - y e a r s c o r e s o f t h e s t u d e n t s who w ere i n ­ c lu d e d i n t h i s s t u d y d i d show s i g n i f i c a n t g.-»ins th r o u g h th e y e a r i s p r e t t y good e v id e n c e t h a t th e Road G en eral S c ie n c e T e s t i n v o l v e s l e a r n i n g s c l o s e l y a s s o c i a t e d v /ith what g o e s on i n th e n i n t h grade c o u r s e . T h is p r o j e c t was o r g a n iz e d i n i t i a l l y t o g a i n an e s t i m a t e o f th e r 1 a t i o n a k i n b e tw een th e s c i e n c e i n f o r m a t i o n p o s s e s s e d and a e n v ir o d by n i n t h gra.de s t u d e n t s and some o f t h e i r s c h o o l and o u t - o f - s c h o o l e x p e r i e n c e s . In my o p i n io n no s i n g l e c o u r se i n th e t o t a l s c i e n c e program o f many s c h o o l s w ould b e t t e r j u s t i f y t h e i n v e s t m e n t o f tim e and e f f o r t i n a r e v ie w and r o o x o m in a t io n . In many s c h o o l s t h i s c o u r s e i s t h e o n l y common s c i e n c e e x p e r ­ i e n c e t o be sh a r e d by u l 1 o f t h e s t u d e n t s who may e n r o l l i n t h e s c h o o l . In some c a s e s t h i s c o u r s e i s t h e o n l y c o n t a c t w i t h s c i e n c e i n s t r u c t i o n t h a t th e a d m i n i s t r a t i v e o f f i c i a l 1s o f th e s c h o o l i n s u r e e a c h , s tu d e n t v’i l l e x p e r i e n c e n r io r to g ra d u a tio n . I t i s i n c r e a s i n g l y becom ing th e o n l y form a l c o n t a c t r.f many s t u d e n t s w i t h th e e a r t h and p h y s i c a l s c i e n c e s . The n i n t h g ra d e g e n e r a l s c i e n c e ccmruo com ing a t t h e tim e i t d o e s i n t h e t o t a l s c h o o l program o f h o y s end g i r l s o c c u p i e s a s t r a t e g i c p o sitio n . The e x tr e m e i n t e r p r e t a t i o n o f t h i s p o s i t i o n w ou ld he t h a t a s t u d e n t ’ s whole l i f e i n t e r e s t i n end. a t t i t u d e tow ard th e t o t a l s c i e n c e e n t o r n r i s o may he s u b j e c t t o i n f l u e n c e b y t h i s c o u r s e . dm e s t i m a t e o f t h e amount o f r e p e t i t i o n o f p r i o r e x p e r i e n c e s w i t h i n th e c o u r s e a s nov; t a u g h t s h o u ld b e w o r t h w h i l e . Some t e a c h e r s nay he i n t e r e s t e d i n e s t i m a t e s o f t h e d e g r e e t o w h ic h t h e c o u r s e c o n s i s t s o f e x p e r i e n c e s w h ich a r e r e l a t e d t o p r i o r e x p e r i e n c e s l o t h w i t h i n and beyond t h e s tu d e n ts * s c h o o l e n v i r o n m e n t s . T h is f a c t o r becom es o f i n c r e a s e d c o n c e r n 0,3 new s t u d i e s r e v e a l how much a s e n s e o f n e e d and u t i l i t y c o n d i t i o n s a s t u d e n t ' s l e a r n i n g and r e t e n t i o n r a t e . I b e l i e v e t h a t e a c h s c h o o l and e a c h t e a c h e r r i g h t f u l l y r e t a i n s th e r e s p o n s i b i l i t y o f i n t e r p r e t i n g w h at e x p e r i e n c e s s h a l l bo most m ea n in g fu l t o each y o u n g s t e r u n d e r g u i d a n c e . I n o r g a n i z i n g t h i s s t u d y i t was my i n t e n t i o n m erely t o . p r o v i d e e v i d e n c e o f s o r t w h ic h may a i d s c h o o l a d m i n i s t r a t i v e o f f i c i a l s and c l a s s r o o m t e a c h e r s i n fo rm in g t h o s e i n t e r ­ p r e ta tiv e d e c is io n s, l i v i n g a s wo do i n a w o r ld i n w h ic h t h e im p a ct o f s c i e n c e on oven our most i n s i g n i f i c a n t e x p e r i e n c e i s b eco m in g s t r i k i n g l y e v i d e n t , I t h in k i t u n n e c e s s a r y t o do more t h a n c i t e t h e i n c r e a s i n g r e s p o n s i b l e i t y o f a l l s c h o o l s to add t h e i r stu d en ts to u n d e r s t a n d t h e realm o f s c i e n c e and th e f u n c t i o n i n g o f t h e w h ole s c i e n c e e n te r p r ise . out The f o l l o w i n g f a c t s may h e l p y o u i n t e r p r e t in t h i s stu d y. howyour s t u d e n t s made Avg r ago I n i t i a l Score Avo r-ago P i n a l Score Your s t u d e n t s .............................. 1*973 n i n t h grade g e n e r a l s c i e n c e stu d en ts . . 33*12 3 , 5 9 2 s t u d e n t s i n $ 6 c o m m u n itie s i n 2 1 s t a t e s u s e d by p u b l i s h e r t o e s t a b l i s h norm s. . . . 4-1.60 4-0.79 1 98 n i n t h grade s t u d e n t s who w e r e t a u g h t no g e n e r a l s c i e n c e th r o u g h th e y e a r . . . . . . 3 5 .1 2 3 7 .5 0 226 t e n t h grade b i o l o g y s t u d e n t s vrho had boon ta u g h t no g e n . s c i . i n t h e 9 t h pur do. . . . 3 8 .2 5 4 2 .9 1 The b o ys i n th e 1973 n i n t h g r a d e group . . . . 34-. 73 4 3 .2 8 31 • 5 ° 4h.OO 3 6 6 Toy S c o u ts 3 ^ .4 9 hd,. o'; 603 Toy n o n - S c o u t s ................................................. ...... 3 ;* 6 6 4 2 .8 2 The1 g i r l s i n th e 1 973 n i n t h g r a d e g r o u p . . . . 39 9 O i r l S c o u t s 3 2 .9 7 605 G-irl n o n - S c o u t s ............................................................................ . 375 S t u d e n t s w i t h **-K Club e x p e r i e n c e 1593 S t u d e n t s w i t h o u t h—E. Club e x p e r i e n c e . stu d en ts 3 0 .7 3 3 9 .3 2 3 ^ .7 0 . . . . 335 r u r a l s t u d e n t s 221 v i l l e g o ko.9 8 ''3.7 2 3 2 .7 5 ' t l .1 0 ^ 3 .1 0 3 2 .2 2 .................................. 112-’- c i t y s t u d e n t s 3 3 .6 ^ 3 3 .1 8 h o . 87 2 ’8 s t u d e n t s from t h e • 'b e s t 11 homos . . . . . . . . 3 8 .8 5 4 8 .3 5 l^'-O s t u d e n t s from t h e '’p o o r e s t 1’ hom es. . . . . . . 2 9 .9 5 3 8 .1 ? 2 5 ^ s t u d e n t s r e p o r t i n g " h ig h ” i n t e r e s t i n re* d in g s c i e n c e b o o k s ................................................................................... 5 03 s t u d e n t s r e p o r t i n g "low" i n t e r e s t i n r e a d in g s c ie n c e books . . . 38.X 2 ^ 6 .1 0 3 1 .3 5 ^ 0 .0 3 311 s t u d e n t s w ith p r a c t i c a l l y no s c i e n c e i n s t r u c t i o n 3 ° .7 5 th r o u g h t h e 6 t h , 7 t h , m d 3 t h g r a d e s ......................... 3 9 .2 7 5 9 6 s t u d e n t s w i t h c b o u t th e a v e r a g e * amount o f s c i e n c e i n s t r u c t i o n th r o u g h t h e 6 t h , 7 t h , and Oth g r a d e s 3 ,,',.7 6 ^J-2.72 ^57 s t u d e n t s w i t h a t l o a s t k or 5 s c i e n c e c l a s s e s p e r v/eelc th ro u g h e a c h o f t h e 6 t h , 7 t h , and 8 t h g r a d e s ...................................................................................................... h 2 .1 0 3 3 -5 0 The f o l l o w i n g c o r r e l a t i o n c o e f f i c i e n t s '-'oro fo u n d t o be r a th e r s i g n i f i c a n t and may h e l p w i t h y o u r u n d e r s t a n d in g t h e r e s u l t s o f th e who If; p r o j e c t . B etw een i n i t i r l t n d f i n a l t o s t s c o r e s ...................................... 72 B etw een t o t a l i n i t i a l s c o r e .-nd s c o r e on th e p h y s i c a l s c i e n c e i t e m s ............................................................................................91 B etw een t o t a l i n i t i a l s c o r e and t h e s c o r e 011 t h e e a r t h s c i e n c e i t e m s ......................... 82 " c tw e e n t o t a l i n i t i a l s c o r e end th e s c o r e on t h e l i f e s c i o n co i t e m s , ................................... *87 B etw een i n i t i r l s c o r e and i n t e l l i g e n c e q u o t i e n t s . . Betw een f i n a l s c o r e and i n t e l l i g e n c e q u o t i e n t s . .56 .. ^53 B etw een i n d i v i d u a l g a i n s and i n t e l l i g e n c e o u o tic - n ts *90 *Th ■ , vcroge was a t o t a l o f 8 c l a s s e s p e r woe]' th.rough t h e 6 t h , 7 t h , r-virl o+.h / t h ;1(- f? r.oT.ihi ned. U s u a l l y when p c o o l o c o o p e r a t e on s t u d i e s o f t h i s k i n d one o f th o m ost i n t e r e s t i n g a s e o c t s i s t h e e x ch a n g e o f o p i n i o n s r e g a r d i n g t h e g e n e r a l c o n c l u s i o n s and rocom m endations g r o w in g o u t o f t h e s t u d y . I hone f o r a c h a n c e t o t a l k w i t h you a b o u t th e r e s u l t s and h ave you g i v e y o u r o p i n i o n s o f t h e s i g n i f i c a n c e and v a l i d i t y o f t h e w h o le p r o j e c t . ky p e r s o n a l g e n e r a l i z a t i o n s w ou ld i n c l u d e su ch com nonts a s : 1. S t u d e n t s upon e n t e r i n g t h e n i n t h g r a d e g e n e r a l s c i e n c e c o u r s e arc. a l r e a d y f a m i l i a r w i t h a w o r t h w h ile p o r t i o n o f th e s c i e n c e i n f o r m a t i o n c u s t o m a r i l y s u g g e s t e d by t e x t b o o k s do s i g n e d f o r t h o c o u r s e . They g a i n a s i g n i f i c a n t a d d i t i o n a l amount o f t h i s i n f o r m a t i o n t h r o u g h t h e y e a r i n d e p e n d e n t l y o f e n r o ll m e n t i n t h o g e n e r a l s c i e n c e c o u r s e . ?.I. A l l s t u d e n t s r e g a r d l e s s o f t h e i r a b i l i t i e s o r b ackgroun d e x p e r ­ i e n c e s have ab ou t th o same c h a n c e t o p i c k up a d d i t i o n a l s c i e n c e in fo r m a ­ t i o n w h i l e e n r o l l e d i n th o g e n e r a l s c i e n c e c o u r s e . 3. U h a to v o r i t i s i n the a b i l i t i e s o f b o y s told g i r l s t h a t g i v e some o f them an a d v a n ta g e on i n t e l l i g e n c e t e s t s g i v e s thorn a bou t th e sai.io d e g r e e o f a d v a n ta g e on g e n e r a l s c i o n c c t e s t s . k . Such f a c t o r s a s S cou t e x p e r i e n c e , i'-H Club o x D o r io n c o , "good" homo b ack gro u n d , and s o f o r t h t e n d t o be a ccom p an ied by s u p e r i o r p erfo rm ­ an ce on th o Head t o s t . A s i m i l a r amount o f s u p e r i o r i t y on i n t e l l i g e n c e t e n t s v/as a l s o i n d i c a t e d . 5 . The g r e a t e r amount o f s c i e n c e i n f o r m a t i o n p o s s e s s e d by t h e s t u d e n t s who i n d i c a t e d ’’h ig h " i n t e r e s t i n r e d in g s c i e n c e b o ok s was n o t accorvo n io d by com parable s u p e r i o r i t y i n i n t e l l i g e n c e . 6 . Tho s u b j e c t m a t te r l e a r n e d by s t u d e n t s i n th o n i n t h g r a d e g e n e r a l s c i o n c c c o u r s e i s s i m i l a r to b u t f a r from d u p l i c a t e d b y th e s c i e n c e i n f o r m a t i o n a c q u i r e d by s t u d e n t s i n g e n e r a l s c i e n c e c l a s s e s th r o u g h th e s i x t h , s e v e n t h , and e i g h t h g r a d e s . 7 . Somewhere b e tw e e n "none a t a l l " end " c l a s s e s f i v e d a y s a week" 1 1.-.rough th e t h r o e g r a d e s p r i o r to th o n i n t h t h e r e i s a number o f s c i e n c e d e s s e s t h a t w o u ld nuke t h e most e f f i c i e n t u s e o f i n s t r u c t i o n a l t im e . 8 . I n s t r u c t i o n i n th e n i n t h g r a d e g e n e r a l s c i e n c e c o u r s e t e n d s t o d o s e th e gap b e tw e e n s t u d e n t s who e n t e r w i t h minimum and maximum am ounts o f a c c u m u la te d s c i e n c e i n f o r m a t i o n . I t f o llo w s th a t a stu dent who shows p r e c o c i o u s a b i l i t y i n t h e a c q u i s i t i o n o f s c i e n c e i n f o r m a t i o n i s n o t p r o v i d e d i n s t r u c t i o n a l e x p e r i e n c e s e n a b l i n g him t o n a i n t r i n h i s r e la t iv e su p e r io r ity . ? . A lth o u g h t h e r e v/as e v i d e n c e t h a t th e s c i e n c e i n f orm ati on t h a t i s s u g g e s t e d by t e x t b o o k s i s r e l a t e d t o th e e v e r y d a y a c t i v i t i e s o f b oy s and g i r l s t h i s d e g r e e o f r e l a t i o n s h i p i s v e r y lev;. The q u e s t i o n rem ains w h e th e r th o r o ! a t i o n s h i u i s s u f f i c i e n t t o c r e a t e i n t h e m inds o f t e e s t u d e n t s a s e n s e o f t h e n e e d and u t i l i t y o f s c i e n c e i n f o r m a t i o n . There i r some e v id e n c e t h a t y o u n g s t e r s do n o t rocom nizo t h e r e l a t i o n s ’ b etw een s c i e n c e and many o f t h e i r e v e r y d a y a c t i v i t i e s u n l .s s t h e y are !•.d t o e x p l o r e ar.d i d e n t i f y t h i s r e l a t i o n s h i p th r o u g h fo rm a l i n s t r u c t i o n . A 10. The s t u d e n t s who wore in c lu d e d i n t h i s stu d y t e n d t o ho norc f a m i l i a r w i t h th o e a r t h end l i f e s c i e n c e s th a n w it h th e p h y s i c a l s c i e n c e s . According; t o th e r e s u l t s o b ta in e d from th e 3 ,5 9 2 E tu d o rts i n t h e s t a n d a r d i s i n g group, th o d i f f i c u l t y o f th o ite m s from th e th r o e n a t u r a l s c i e n c e a r e a s was p r a c t i c a l l y th e s a n e . I hope you r e c o g n i z e how g r a t e f u l I am f o r a l l o f th e l a r g o and s n a i l i n s t u ' . o e s o f c o o p e r a t i o n t h a t arc i n v o l v e d i n th e c o n c o c t i o n a n d m a t u r ity o f t h i s r e so,arch p r o j e c t . E s p e c i a l l y sh o u ld I m en tio n my a p p r e c i a t i o n o f t h e i n t e r e s t w h ic h the a d m i n i s t r a t i v e o f f i c e r s o f I l l i ­ n o i s S t a t e Formal U n i v e r s i t y have shown. ITot o n l y have t h e y made i t ■norisible f o r mo t o u s e r.iuch o f my f r e e tim e on t h e p r o j e c t h u t th e y have a l s o shown t h e i r te n d e n c y t o encourage su ch r e s e a r c h by r o b in g many campus s e r v i c e s a v a i l a b l e t o me. I presume t h a t t h i s c o o p e r a t io n i s r e p r e s e n t a t i v e o f what may bo e x p e c te d from th o U n i v e r s i t y F i e l d S e r v i c e s r e c e n t l y r e o r g a n iz e d u n d er th e l e a d e r s h i p o f Dr. L. U. H i l l e r , I r e a l i z e t h a t t h i s r e p o r t i s q u ito s k e t c h y . I f t h e r e a r c any q u e s t i o n s w h ic h y o u would c a r e t o r a i s e or a d d i t i o n a l in f o r m a tio n t h a t I etui p r o v i d e , e s p e c i a l l y i n r e g a r d to your ovu grouw o f s t u d e n t s , p l e a s e f e e l f r e e t o c a l l on me. Pcrhrros wo cun t a k e advan tage o f c i r c x j n s t a n t i a l v i s i t s e i t h e r on ou r campus o r i n your s c h o o l to d i s c u s s the p r o j e c t t o our mutual s a t i s f a c t i o n . I n c i d e n t a l l y , I have no f u r t h e r u s e f o r the. .dead G eneral S c io n c c Ten b o o k l e t s and had p la n n e d t o l e a v e then w i t h t h e s c h o o l s . I f you would l i k e enough f o r a s e c t i o n or two o f s t u d e n t s I w i l l be glad to cone them a lo n g . hay tho coining sc h o o l y e a r be i n t e r e s t i n g many s a t i r f a c t i o n s . nd f i l l e d w it h a g^oat S in c e r e ly you rs, John K. H o o d lu m A s s i s t . P r o f . c f S c ie n c e w mm rd * # , « t i^wNf &*&#£** i u i “ "kt •* * * » t i« m i e n # * *»r*pborik. _ ' * y*.& * **>*■«* «(*•*.*-*; I * * • ?*** oy V i « « **,u& 4 r~ m ’ _ * ( r f N O A i l f tO fa x iiftti* * J to r a $ >U& tee* T*n>‘ a ;!*:■**?■ .•'' k» *** Ci/i >v« -?**. ** *d*\* *' #t> $ tei* e*‘ „ . * « * * » { * gv*4*? iis M tft .p m # * f : "*-‘- H I* Ill'.fcfcJsh Of -iUe^e ?rf c.-'“. ';! •' ■■:*«' I.fh# f.tK!i>vO c * i ’!*•> o:' .-*:■»• * "'■■ „it'i . . a t'M y i" .' W-*' •*£•*.';?»»' .r*^.- ,* ' U - ‘'4#'* «6##p&** V;-“ t t ;, & i*’*-* ’ V*. ^ /* ’ ?* *1 •!«** ’’ •* -'*' ' *' .£H' * v^if* .»' f t i ■’ u ’ * " i v : tit ' rt-3 > *‘ >" «*-'* '■' vKXIb# .-., t ** - j " <‘ PERSONAL INFORhA £ M 1 . N am e_________________________________Age S c h o o l _________________ _____________ _ 2 . Do you l i v e i n a c i t y , v i l l a g e , o r on a farm ?( U n d e r sc o r e o n e ; . 5 . How many o f t h e p a s t f i v e y e a r s h a v e you l i v e d on a farm? Boy o r G i r l . C ity ? V illa g e ? _ 4 . U n d ersco re a n y o f t h e s e h o b b i e s t h a t yo u may h a v e . G a r d e n in g . F i s h i n g . H u n tin g . C o lle c tin g in s e c t s . C o l l e c t i n g r o c k s . D e v e l o p in g ana p r i n t i n g p h o t o s . B u ild in g model a i r p l a n e s , b o a t s , c a r s , e t c . R a i s i n g r a b b i t s , n i c e , c h i c k e n s , e t c . Home s c i e n c e l a b . S c i e n c e s c r a p b o o k . B u i l d i n g r a d i o s . ____________________ _ 5 . How many y e a r s have you b e lo n g e d t o a s c i e n c e c lu b ? 4H Club?____ S c o u ts ? ____ 6 . About how many, i f a n y , s c i e n c e books o r books a b o u t s c i e n c e 'nave you read d u r in g t h e p a s t two o r t h r e e y e a r s ? ___ 7 . About how many s c i e n c e c l a s s e s d id you o v e e a ch week w h i l e you w ere i n t h e s i x t h grade? ___ S e v e n t h grade? ____ E i g h t h grade? N in th grade?____ 8 . I n w h ich o f t h e s e g r a d e s d id you have a r e g u l a r s c i e n c e t e x t o o o k ? ________ _____ 9 . ________________________________________________________________________________________ (The o r i g i n a l c o p i e s o f t h i s p e r s o n a l i n f o r m a t i o n form were mimeo­ g r a p h e d . The r e p l i e s r e c e i v e d f o r q u e s t i o n number f o u r end f o r t h e f i r s t p a r t o f number f i v e d id n o t p r o v id e d ata p e r m i t t i n g f u r t h e r stu d y o f th e se f a c t o r s .)