DOCTORAL DISSERTATION SERIES PUBLICATION: 5922 AUTHOR: Gerald Lloyd Kincaid, Ed. D ,, 1953 Michigan State College TITLE: SOME FACTORS AFFECTING VARIATIONS IN THE QUALITY OF STUDENTS' WRITING University Microfilms, Ann Arbor, Michigan SOME FACTORS AFFECTING VARIATIONS IN THE QUALITY OF STUDENTS* WRITING By G erald L . K incaid A THESIS S ubm itted to th e School o f G raduate S tu d ie s o f M ichigan S ta te C o lleg e o f A g ric u ltu r e and A p p lied S cience in p a r t i a l f u l f i l l m e n t o f th e req u ire m e n ts f o r th e degree o f DOCTOR OF EDUCATION School of E ducation 1953 80KB VICTOR* AfrVTZVO VUOifXHtt XV TUI q u iik ov 8 r m h < v m n v *7 Rmp814 I . K lM ftid A* AMIRAOT |* H L th > 4 %# %lw M m I § f Qm Rn MMi K i H i i § f Ita te O t llif i « f ip lM lla r t « a i AfpUid lsl«n e* la pnrt& lX WXTXASm m A o f tlMi V9RlriUNMKt8 tm t tv * dagTM t f BOOyqi IM Tu t A w ro w i X0UCATX0V # f M m ttm I ff) ff u f ! I I fI f S ff if . f ; f ( m 4 11 | * { ! lh 1 I !ill I i * I r i i i f S« i H tflS tt* ftm taaflytia i f ito i w i | i w i t t a i y i y f w iiii by g w p af fM is to ! i t «m fanad teat* m ID h t tte w Wi i dlffarant taplaa aaadfMd, i n ta t t i in tte afflalaM y a f i t a M ftMi day ta day an tte m m taplaa, n r ik t payate la g la tl praaaara t i M M l by tte fla a l i t e t e l t e H t e i t e ted agy d p l f t i i r t a ffw t mi t e tvigttM aaallbr a fM itiM bar a bnmb af tdM tr ar m m ite te to . twm tte i H l |i l i i f tte w i t t n pmrttmmmm by t t e v f t t e l atndaata in cMfe p t e i lb «M f«M i t t e t i 1* aaataal f l i t e i bad wftftUia> la tffte is tr a r t rtw i itd lV MapaMlbla fir algnlflaant M ifttin i la tte faiiigf at anting by U7 if tte 60 atndaata isvAvad la tte atndfrrj dad ttete arl* atlaaa low n d nite rtpiHaaHy g te te te p n ty fir tte ibM f atndaata ttea far tte Mik ntedaBtn. ft, far tte atraag itatetfp dlaalallar taplaa mm r a p f lt t i far m mm aianlflaaat MrlntlaM ttea mm tea aminr laalaa. far tte walk atndanta, teanaar, dlaaiaflar taplaa did im ta an* adt la a Mpif flaatitiy yaa te frataaway af tarlntlaaa la tte Mfeiltar af nritlna ttea did ib d lir tanlaa. 3. tte teOratelagtnal pwaa r a a f tea aMafnatfan did M t ite d t la a alg alflaastty graatar fragaaray af gttaa aad/ar laaaaa f a r tadHrldml atadaa ta tean t e a te a t praaaart ana ateaat. t e a tte raaalta a f te la i t e f * I t aaaaa raaaanabla ta aa*» a&nda te a t fa r tte fte y aii af atelnatiag atndant aahlaraMnt a t ajy tftna, ar fa r tte pnr,?aaa « f atelratln g fnyrnraaant af indM daal atadaata la a a n tin g aaaraa# atnplaa af a n tin g abated te abtaiaad an d iffaraat t apl aa an tte t e a day aad an tte aate tap laa an di f faraat teya. ACKNOWLEDGMENTS The a u th o r w ishes to e x p re ss h is s in c e r e a p p r e c ia tio n to h is a d v i s e r , D r. M ilosh M untyan, f o r h is encouragem ent and c r i t i c a l a s s is ta n c e th ro u g h o u t th e developm ent o f t h i s stu d y . He i s a ls o in d e b te d to D r. H arry W. Sundwall f o r h is h e lp fu l su g g e stio n s in p la n n in g th e stu d y and i n a n a ly z in g th e r e s u l t s . The w r i te r d eep ly a p p r e c ia te s th e c o o p e ra tio n o f Mr. P aul D. B agw ell, D r. Clyde W. Dow, and Mr. Judson M. P erk in s i n making a v a ila b le th e s tu d e n ts f o r t h i s s tu d y . G ra te fu l acknowledgment i s a ls o due D rs . John Schmid and W illa rd G. W arrin g to n f o r t h e i r su g g e stio n s and ad v ice r e l a t i v e to th e s t a t i s t i c a l tre a tm e n t o f th e d a t a . * ■— VITA G erald Lloyd K incaid c a n d id a te f o r th e d eg ree o f D octor o f E d u catio n F in a l e x a m in a tio n , May 2 0 , 9*00 A .M ., 202A M o r r i ll H a ll. D is s e rta tio n * Some F a c to rs A ff e c tin g V a r ia tio n s i n th e Q u a lity o f S tu d en ts 1 W ritin g O u tlin e o f S tu d ie s M ajor f i e l d s o f em phasis: Cognate f i e l d : E d u c a tio n a l P sy ch o lo g y , Guidance and C o u n selin g Communication S k i l l s B io g ra p h ic a l Item s B orn, March 1 , 191^, P a l e s t i n e , I l l i n o i s U ndergraduate S tu d ie s , E a s te rn I l l i n o i s S ta te T eachers C o lle g e , 1935-39 G raduate S tu d ie s , U n iv e rs ity o f I l l i n o i s , 19U0-1±1, M ichigan S ta te C o lle g e , 19^8-53 E x p erien ce: Speech te a c h e r and d eb a te co a ch , P ek in Community High School P e k in , I l l i n o i s , 19U5-H6, I n s t r u c t o r in Communication S k i l l s M ichigan S ta te C o lle g e , 1 9 ^6 -5 0 , E d u c a tio n a l R e sea rc h , Board o f E xam iners, M ichigan S ta te C o lle g e , 1950-53 TABLE OF CONTENTS CHAPTER I II III IV V IV PACE STATEMENT OF THE PROBLEM AND ITS IMPORTANCE.............................. 1 RESEARCH ON METHODS FOR EVALUATING WRITING ABILITY—REVIEW OF THE LITERATURE................................................................................... 8 DESIGN AND PROCEDURE FOR CONDUCTING THE STUDY......................... 30 A ssignm ents and D esig n .............................................................. C o n tro ls P ro v id e d ................................................................................... 30 36 METHOD FOR EVALUATING THE QUALITY OF STUDENTWRITING bh S e le c tin g th e R a tin g M eth o d . ................................ O b ta in in g R e lia b le R a tin g s ................................................................ C o n tro l of F a c to rs A ffe c tin g R a te r s ............................................ C r i t e r i a f o r R a tin g Themes........................................... Summary......................................................................................................... UU 53 56 56 60 ANALYSIS OF THE DATA............................................................................... 61 Background A n a ly s is ............................................................................... E f f e c t o f Combined F a c t o r s ................................................................ C o m p a ra b ility o f C ontent F a c to rs and V a r ia tio n s i n E f f ic ie n c y ................... C o m p a ra b ility o f S im ila r and D is s im ila r T o p ic s .................... E f f e c t o f th e P re s s u re F a c t o r ......................................................... 62 79 SUMMARY, CONCLUSIONS, AND IMPLICATIONS............................. 83 86 86 92 BIBLIOGRAPHY........................................................................................................................ 101 APPENDICES............................................................................................................................ 105 CHAPTER I STATEMENT OF THE PROBLEM AND ITS IMPORTANCE S tatem ent o f th e p ro b lem . T each ers o f E n g lish co m p o sitio n c o u rse s have been fa c e d w ith two m ajor problem s i n e v a lu a tin g s tu d e n t ach iev em en t. F i r s t has been th e problem o f o b ta in in g r e l i a b l e and v a lid r a t i n g s f o r each sample o f w r i tin g . Second has been th e problem o f d e c id in g w hat sam ple, or sam p les, o f a s t u d e n t 's w r itin g sh o u ld be used f o r a p a r t i c u ­ l a r e v a lu a tio n p u rp o s e , When th e t e a c h e r 's p u rp o se i s to a s s ig n a grade b e s t r e p r e s e n tin g achievem ent in a w r itin g c o u r s e , th e sam p le, o r sa m p les, o f a s t u d e n t 's w r itin g should be o b ta in e d a t th e end o f th e cou rse . But when th e te a c h e r wants to e v a lu a te improvement i n th e q u a l ity o f w r i t i n g , a sam p le, o r sam p les, should be o b ta in ed a t th e b eg in n in g and a t th e end o f th e c o u r s e . To accom plish th e s e p u rp o s e s , te a c h e rs f r e q u e n tly use o n ly one sample of w r itin g i n each case . The re a s o n f o r t h i s i s th e amount o f tim e and e f f o r t n e c e ssa ry to o b ta in r e l i a b l e and v a lid r a tin g s o f E n g lish com posi­ tio n s . The q u e s tio n has been ask ed w hether a s in g le p ap er p ro v id e s a r e p ­ r e s e n ta tiv e sample o f w r itin g a b i l i t y . Does th e q u a lity o f a s t u d e n t 's w r itin g v ary c o n s id e ra b ly from to p ic to to p ic and from tim e to tim e? Thus f a r , no s tu d ie s have been re p o r te d wliich p ro v id e a d e f i n i t i v e answer to th a t q u e s tio n . The purpose o f t h i s t h e s i s was to determ in e w hether a s in g l e paper w r itte n by a s tu d e n t on a g iv e n to p ic a t a p a r t i c u l a r tim e can b» 2 co n sid e re d a s a r e p r e s e n ta tiv e sam ple o f iiis w r itin g a b i l i t y —and th u s p ro v id e a v a l i d b a s is f o r e v a lu a tin g a b i l i t y a t any tim e i n a w r itin g c o u rs e . The use o f a s in g le p ap e r f o r e v a lu a tin g a s tu d e n t* s achievem ent under th e s e c o n d itio n s in v o lv e s th e fo llo w in g b a s ic a ssu m p tio n s: 1) t h a t , f o r p r a c t i c a l p u rp o s e s , any given to p ic p ro v id e s th e same stim u lu s a s any o th e r t o p i c , 2) t li a t such a stim u lu s w i l l e l i c i t c o n s ta n t re sp o n se s a t d i f f e r e n t tim e s , 3) t h a t , s in c e ouch a p ap er would be a f i n a l ex am in atio n f o r th e c o u r s e , th e p s y c h o lo g ic a l p r e s s u re in tro d u c e d by th e f i n a l ex am in ation s i t u a t i o n would have no a d v e rs e e f f e c t on th e q u a l ity o f w r i t i n g , and ii) t l i a t th e q u a l ity o f w r itin g i s s ta b le from to p ic to to p ic and from tim e to tim e , w ith o r w ith o u t th e p sy c h o lo g ic a l p r e s s u r e o f a f i n a l e x a m in a tio n , f o r a l l s tu d e n ts r e g a r d le s s o f In d iv id u a l v a r ia tio n s i n w r itin g a b i l i t y . T h e r e f o re , i n o rd e r to d eterm in e whether a s in g le p ap e r w r i tte n on a g iven to p ic a t a p a r t i c u l a r tim e p ro v id e s a v a l id b a s is f o r e v a lu a tin g s tu d e n t achievem ent i n a w r itin g c o u r s e , i t was n e c e ss a ry to t e s t th e fo u r assum ptions s t a t e d above . T his t h e s i s i s a r e p o r t o f a s tu d y p lan n ed and conducted f o r th e p u rpose o f t e s t i n g th o se assu m p tio n s. Im portance o f th e p ro b lem . P erhaps th e im portance of o b ta in in g a r e l i a b l e sample o f s tu d e n t w r itin g f o r e v a lu a tio n p urposes can be b e t t e r u n d ersto o d by exam ining 1) th e r e l a t i o n o f t r a i n i n g in language s k i l l s to o th e r e d u c a tio n a l o b je c ti v e s , 2) th e r e l a t i o n o f t r a i n i n g in w r itte n e x p re s sio n 3 to th e t r a i n i n g i n th e language s k i l l s , and 3 ) th e i n a b i l i t y o f com posi­ tio n te a c h e rs to a d e q u a te ly answ er th e c r i t i c i s m t h a t to o many s tu d e n ts do n o t develop s a t i s f a c t o r y w r itin g s k i l l s . T ra in in g in th e u se o f th e E n g lis h lan g u ag e has been ac ce p ted a s one o f th e m ost im p o rta n t o b je c tiv e s i n Am erican s c h o o ls —a s d em onstrated by th e u n iv e r s a l re q u ire m e n t t h a t a l l s t u d e n t s , from th e elem en tary to th e c o lle g e l e v e l , s u c c e s s f u lly com plete c o u rse s w hich in v o lv e such t r a i n i n g . The r e p o r t o f th e P r e s i d e n t s Commission on H ig h er E d u catio n i s t y p i c a l of th e em phasis cbmmonly p la c e d on th e im portance o f t r a i n i n g i n language e x p re s s io n . A ccording to t h a t r e p o r t , "Few o f th e a b i l i t i e s men p o sse ss a re o f g r e a t e r human s ig n if ic a n c e th a n t h e i r power to o rd e r id e a s c l e a r l y and to s e t th e s e b e fo re t h e i r fe llo w s by tongue o r pen."'*' A lthough t r a i n i n g in b o th o r a l and w r itte n e x p re s s io n has b een u n i­ v e r s a lly re c o g n iz e d a s an im p o rta n t e d u c a tio n a l o b je c ti v e , w r i t t e n ex­ p r e s s io n has re c e iv e d th e g r e a t e s t amount o f a t t e n t i o n . T h is i s demon­ s t r a t e d by th e u n iv e r s a l em phasis on w r i tin g i n Am erican p u b lic s c h o o ls , and by a c o n tin u o u s stream o f c r i t i c i s m to th e e f f e c t t h a t to o many young people h av e n ’t been ta u g h t to w r i t e . The r e s u l t s o f t r a i n i n g in t h i s a re a seem t o have been s u b je c te d to more c r i t i c i s m th a n th e r e s u l t s o f t r a i n i n g i n any o th e r a r e a . Greene has summarized th e c r i t i c i s m s o f t r a i n i n g in w r itte n e x p re s­ s io n . He s t a t e s t h a t High sch o o l and c o lle g e g ra d u a te s a r e s a id to be u n ab le to w r ite l e g i b l y , s p e l l a c c u r a te ly , o r compose an a c c e p ta b le 1 . P r e s id e n t’s Commission on H igher E d u c a tio n , " E s ta b lis h in g th e G o als", v o l. 1 , H igher E d u catio n f o r Am erican Democracy. U. S . Government P r in t in g O f f ic e , W ashington, D. C . , 19 ^7 , p p . 5 2 -5 3 . ... h l e t t e r . P a r t i c u l a r l y a r e th e y c r i t i c i z e d as b e in g unable to th in k c l e a r l y and l o g i c a l l y anu to ex p re ss t h e i r th o u g h ts in w e ll-c h o se n , p r o p e r ly e n u n c ia te d words a rra n g e d i n i n t e r e s t ­ in g and c le a n - c u t s e n te n c e s .^ Many te a c h e rs o f E n g lish co m p o sitio n have come to a c c e p t such c r i t i ­ cism a s an in e v ita b le co n co m itan t to t h e i r p r o f e s s io n . From th e w rite r * s o b s e rv a tio n , how ever, co m p o sitio n te a c h e r s r e s e n t th e im p lic a tio n t h a t t h e i r te a c h in g i s i n f e r i o r to t h a t i n o th e r a r e a s . They m a in ta in t h a t in c o r r e c t language h a b i ts a re d i f f i c u l t to change—t h a t p ro g re s s in changing such h a b its i s n e c e s s a r ily slo w . t h i s c la im . S e v e ra l s tu d ie s te n d to su p p o rt Lyman s t a t e s t h a t " I t i s now g e n e ra lly a c c e p te d t h a t ab o u t .5 of a s te p on a te n - p o in t s c a le i s th e norm al co m p o sitio n Improvement in one y e a r ." ^ H uddelson r e p o r te d an av erag e improvement p e r y e a r o f about fo u r p e r cen t.^4 A nderson and T ra x le r r e p o r te d an av erag e im prove­ ment p e r y e a r f o r h ig h sch o o l s tu d e n ts o f 3 .3 p o in ts when th e p ap ers were £ r a te d on a s i x t y - p o i n t s c a le An u n p u b lish ed stu d y by th e w r ite r showed an average improvement o f fo u r p o i n t s , a t th e end o f a y e a r* s t r a i n i n g o f c o lle g e freshm en, when th e p a p e rs were r a te d on a f i f t y - p o i n t s c a l e . These a v e ra g e s a re im p o rta n t o n ly to th e e x te n t t h a t th e y in d ic a te sm a ll in crem en ts i n w r itin g im provem ent. N a tu r a lly , some s tu d e n ts make 2 . H. A. G reene, " E n g lis h -L a n g u a g e , Grammar, and C o m p o sitio n ", E ncyclo­ p ed ia o f E d u c a tio n a l R e se a rc h , M acm illan, New Y ork, 19f?0, p . 3 8 5 . 3 . R. L . Lyman, " I n v e s tig a tio n s i n th e F ie ld o f W ritte n C om position", Summary o f I n v e s tig a tio n s R e la tin g to Grammar. Language , and C om position. Supplem entary E d u c a tio n a l Monographs No. 3 6 , The U n iv e rs ity o f C hicago, 1929, p . 196. h. E a rl H uddelson, "The E f f e c t o f O b je c tiv e S tan d ard s Upon C om position Teachers* Judgm ents", J o u rn a l o f E d u c a tio n a l R e se a rc h , v o l. 12 (December, 19 2 5 ), p p . 329-lR). 5 . H. A . A nderson, and A. E. T r a x le r , "The R e l i a b i l i t y o f th e Reading o f an E n g lish E ssay T e s t," a second s tu d y , School R eview , v o l. i±8, 19^0, ^ p p . 521-30. /' 5 more th a n averag e improvement* b u t , a t th e same tim e , a s im ila r number of s tu d e n ts make l e s s th a n av erag e improvement d u rin g any g iv en t r a i n i n g p e r io d . I t i s a l s o tr u e t h a t f o r any group o f s tu d e n ts e n te r in g a w r itin g c o u rs e , u s u a lly a number o f them w ill be c o n s id e ra b ly below av erag e in w r itin g a b i l i t y . U nless th o s e s tu d e n ts make av erag e o r b e t t e r th a n a v e r­ age im provem ent, th e q u a lity o f t h e i r w r itin g i s l i k e l y t o be f a i r l y low even a t th e end o f a y e a r* s t r a i n i n g . Lack o f c o o p e ra tio n by te a c h e rs in o th e r a r e a s i s a l s o g iv en a s a re a so n f o r s tu d e n t f a i l u r e to make th e d e s ire d improvement i n w r itin g . Lange found t h a t s tu d e n ts were n o t h e ld r e s p o n s ib le f o r th e q u a lity o f com position i n o th e r c o u r s e s . He found t h a t when s tu d e n ts were ask ed to p ro o f-re a d t h e i r p a p e rs w r i t t e n f o r co u rse s o th e r th a n E n g lis h , th e y were a b le to c o r r e c t o n e - th ir d o f t h e i r s p e llin g e r r o r s and o n e - h a lf o f t h e i r p u n c tu a tio n e r r o r s . He a ls o found t h a t assig n m e n ts were a t f a u l t , t h a t some to p ic s were to o com plex f o r c l e a r and ad eq u ate answ ers i n th e tim e and space p ro v id e d , t h a t sk e tch y and ambiguous q u e s tio n s in v i t e d c a r e le s s an sw ers.^ T hus, th e s tu d e n ts * e x p e rie n c e s i n o th e r c o u rse s ten d ed to c o u n te ra c t th e e f f o r t s o f th e co m p o sitio n t e a c h e r s . F i n a l l y , th e r e i s th e q u e s tio n o f ad eq u ate te a c h in g methods and p ro ­ cedures f o r b r in g in g ab o u t th e d e s ir e d improvement in s tu d e n t w r i t i n g . C om position te a c h e rs have made numerous claim s f o r c e r t a i n methods and p ro c e d u re s , b u t have been u n ab le to p r e s e n t s u f f i c i e n t evidence to make t h e i r claim s c o n v in c in g , even to t h e i r f e llo w te a c h e r s . In h is summary 6 . P h il C. L ange, **A Sam pling o f C om position E rro rs o f C o lleg e Freshmen i n a Course O th er Than English**, J o u rn a l o f E d u c a tio n a l R e s e a rc h , v o l. 1*2 (November 191*8), p p . 191-200. 6 o f " I n v e s tig a tio n s i n Methods o f T eaching" (E n g lis h c o m p o s itio n ), Lyman s t a t e s t h a t m ost o f th e s tu d ie s were d e f i n i t e l y la c k in g i n c e r t a i n re s p e c ts * " l ) th e y e x e rc is e d in ad eq u ate c o n tr o l o v e r te a c h in g c o n d itio n s ; 2) th e y f a i l e d to i s o l a t e s in g le v a r ia b le s f o r m easurem ent; and 3) many o f them employed u n s a tis f a c to r y c r i t e r i a f o r im provem ent. The e x p e rim en te rs them selves f r a n k ly a d m itte d th e im p e rfe c tio n s th u s en u m erated ."^ A lthough c a r e f u l p la n n in g o f a r e s e a r c h s tu d y on m ethods o f te a c h in g com position may p ro v id e f o r ad e q u ate c o n tro l o v e r te a c h in g c o n d itio n s and f o r th e i s o l a t i o n o f s in g le v a r i a b l e s , such a stu d y c a n n o t be s u c c e s s f u l u n le s s a s a t i s f a c t o r y c r i t e r i o n f o r improvement i n w r itin g i s employed. And th e employment o f a s a t i s f a c t o r y c r i t e r i o n i s d ep en d en t upon v a lid and r e l i a b l e e v a lu a tio n s o f th e q u a lity o f s tu d e n t w r i t i n g . T y le r o f f e r s two assum ptions b a s ic to th e e d u c a tio n a l p ro c e s s and im p o rta n t to th e p r e s e n t argument* l ) E d u catio n i s a p ro c e s s which seeks to change b e h a v io r p a t te r n s o f human b e in g s , and 2) e v a lu a tio n o f th e edu­ c a tio n a l program i s a p ro c e ss f o r f in d in g o u t to what d eg ree th e s e changes 8 a re ta k in g p la c e . C e r t a in l y , th e co m p o sitio n te a c h e r s e e k s to change th e language p a t te r n s o f human b e in g s . Even though t h i s may be d i f f i c u l t , some methods may be b e t t e r th a n o th e rs f o r b rin g in g ab o u t th e d e s ire d ch a n g es. Yet r e s e a r c h on such methods can n o t be s u c c e s s f u l u n le s s i t i s p o s s ib le to f in d o u t to what d eg ree th o se changes have ta k e n p la c e , i . e . , u n le s s s tu d e n t improvement in w r itin g can be e v a lu a te d r e l i a b l y and v a l i d l y . 7 . Lyman, 0 £ . c i t . , p . 2£3. 8 . R alph W. T y le r , "P urposes and P ro ced u res o f th e E v a lu a tio n S t a f f " , A p p ra isin g and R ecording S tu d en t P ro g r e s s , H arp er and B r o th e r s , New Y ork, 19U2, p p . 1 1 -1 2 . 7 Even though th e la c k o f c o o p e ra tio n by te a c h e rs o f o th e r c o u rse s may te n d to c o u n te ra c t th e e f f o r t s o f th e co m p o sitio n t e a c h e r , r e s e a r c h s tu d ie s to d eterm in e th e e f f e c t s o f o b ta in in g such c o o p e ra tio n c a n n o t be s u c c e s s fu l u n le s s s tu d e n t improvement can be e v a lu a te d r e l i a b l y and v a l i d l y . T hus, r e l i a b l e and v a l i d e v a lu a tio n o f s tu d e n t improvement i n w r itin g seems to be th e key to s u c c e s s f u l r e s e a r c h on b e t t e r te a c h in g m ethods. C o n sid e ra b le r e s e a r c h has been conducted to improve p ro ced u res and te c h n iq u e s f o r e v a lu a tin g w r itin g a b i l i t y . Such r e s e a r c h has been on two ty p e s o f e v a lu a tio n —d i r e c t and i n d i r e c t . D ir e c t e v a lu a tio n has c o n s is te d o f d e te rm in in g th e q u a l ity o f a p a r t i c u l a r co m p o sitio n and a s s ig n in g a v alue to t h a t q u a l i t y . I n d ir e c t e v a lu a tio n has c o n s is te d o f c o n s tru c tin g and a d m in is te rin g an o b je c tiv e - ty p e t e s t composed o f t e s t item s co n c ern in g v a rio u s elem e n ts o f th e w r itin g p r o c e s s . The p e r t i n e n t r e s e a r c h l i t e r a t u r e p e r ta in in g t o th e s e two ty p e s o f e v a lu a tio n i s review ed i n th e fo llo w in g c h a p te r . CHAPTER I I RESEARCH ON METHODS FOR EVALUATING WRITING ABILITY— REVIEW OF THE LITERATURE D uring th e p a s t f i f t y y e a r s , c o n s id e ra b le r e s e a r c h has been conducted in an attem p t to improve th e r e l i a b i l i t y o f e v a lu a tin g both th e w ritin g a b i l i t y of s tu d e n ts and th e q u a l ity o f s p e c if ic p a p e rs w r itte n by s tu d e n ts . A ttem pts have been made to d evelop o b je c tiv e - ty p e t e s t s f o r e v a lu a tin g stu d e n ts* w r itin g a b i l i t y and to d ev elo p more o b je c tiv e and r e l i a b l e methods f o r e v a lu a tin g th e q u a l ity o f th e s p e c if ic p a p e rs w r i t t e n . The o b je c tiv e E n g lish t e s t p ro v id e s o n ly an i n d i r e c t e v a lu a tio n o f a s tu d e n t's w r itin g a b i l i t y . m a te r ia l. Tliat i s , th e s tu d e n t i s p re s e n te d some w r i tte n H is a c t i v i t y c o n s is ts o f s e le c tin g th e b e s t o f s e v e ra l su g g e sted a l t e r a t i o n s o f t h a t m a te r ia l and th e n i n d ic a t in g t h a t s e l e c t i o n by making a mark i n th e a p p r o p r ia te p l a c e . He does no a c tu a l w r i t i n g . r e l i a b i l i t i e s have b een o b ta in e d f o r such t e s t s . F a i r l y hig^i H u d d lesto n r e p o r ts r e ­ l i a b i l i t i e s ra n g in g from .88 to ,9l± f o r a group o f o b je c tiv e E n g lish t e s t s . ^ Such r e l i a b i l i t i e s in d ic a te t h a t s tu d e n t perform ance on such t e s t s does n o t vary g r e a tly from tim e to tim e . However, some v a r i a t i o n does o c c u r. And i f such a t e s t i s t o be s u c c e s s f u l in m easuring s tu d e n t improvem ent, th e n th e improvement by each in d iv id u a l m ust be g r e a te r th a n th e s t u d e n t 's 1 . E d ith M. H u d d lesto n , Measurement, o f W ritin g A b ilit y a t th e C o lle g e E ntrance L e v e lt O b je c tiv e v s . S u b je c tiv e Techniques (P h . D. t h e s i s ) , New York U n iv e r s ity , 1952; p u b lis h e d a s R esearch B u l l e t i n RB-52-7, E d u c a tio n a l T e s tin g S e r v ic e , P rin c e to n , N. J . , 1952, p p . 9 -1 0 . 9 v a r ia tio n i n perform ance on th e t e s t , o th e rw ise no r e a l improvement w i l l be shown by th e p r e - t e s t and p o s t - t e s t s c o r e s . The v a l i d i t y o f an o b je c tiv e E n g lish t e s t i s a d i f f e r e n t m a tte r . The v a l i d i t y o f a t e s t i s d eterm in ed by com paring th e perform ance o f p e rso n s on th e t e s t w ith some o u ts id e c r i t e r i o n . As A dkins s t a t e s , "One can r e s o r t to a l l s o r t s o f s t a t i s t i c a l m aneuverings w ith sc o re s on a t e s t and nev er f u l l y e s t a b l i s h i t s v a l i d i t y i f a n in d ep en d en t c r i t e r i o n i s la c k in g ." I f an o b je c tiv e E n g lis h t e s t i s supposed to e v a lu a te a s tu d e n t* s w r i t ­ in g a b i l i t y , th e n i t s v a l i d i t y f o r t h a t purpose m u st, i n th e f i n a l a n a l y s i s , be based on some o th e r k in d o f e v a lu a tio n o f th e s tu d e n t* s a c t u a l w r itin g p erfo rm an ce. On t l i i s p o in t Adkins s t a t e s th a t . . . th e b e s t and most l o g i c a l way to determ in e what a s e l e c t i o n t e s t p r e d ic ts i s to make a com parison betw een th e perform ance o f p e rso n s on th e t e s t and t h e i r perform ance on th e jo b o r on a c t u a l work a s s ig n m e n ts . I f th o s e who sc o re h ig h on th e t e s t a re a ls o th e most s u c c e s s f u l on th e jo b , th e t e s t i s s a id t o be v a lid f o r th e purpose o f p r e d ic tin g perform ance on t h a t p a r t i c u l a r j o b .3 Few a tte m p ts have b een made, how ever, to e s t a b l i s h th e v a l i d i t y o f o b je c tiv e E n g lis h t e s t s f o r p r e d ic tin g th e a c tu a l w ritin g perform ance o f s tu d e n ts . I n most v a l i d i t y s t u d i e s , E n g lish g rad es have b een used a s th e independent c r i t e r i o n . H uddleston r e p o r ts v a l i d i t y c o e f f i c i e n t s ra n g in g from .11 to .7 3 , when E n g lish g rad es were used a s th e c r i t e r i o n i n each case Edm iston and G in g erich o b ta in e d a v a l i d i t y o f .55 f o r th e " E n g lish 2 . D orothy C . .A dkins, C o n s tru c tio n and A n a ly sis o f A chievem ent T e s ts , U. S . Government P r in t in g O f f ic e , W ashington, D. C ., 19U7, p p . 1&L. 3. Ib id . It. H u ddleston , 0£ . c i t . , p p . 1 0 -1 1 . 10 Usage T e s t o f th e Ohio S ta te Every P u p il T e s ts " , when th e s c o re s on a com position t e s t were used a s th e in d ep en d en t c r ite r i o n .'* Lockwood found t h a t v a l i d i t y c o e f f i c i e n t s o f i n t e l l i g e n c e t e s t s w ith com position s c o re s a r e a b o u t th e same a s th o s e o f o b je c tiv e E n g lish t e s t s . He found th e c o r r e la tio n between g e n e ra l i n t e l l i g e n c e (u s in g th e O tis t e s t ) to be ,67 f o r 57 b o y s, and .7 6 f o r th e U3 g i r l s i n th e s tu d y . A t th e same tim e lie found a c o r r e l a t i o n o f .77 betw een co m p o sitio n sc o re s and sem ester 6 g ra d e s , w hich i s s l i g h t l y h ig h e r th a n th e h ig h e s t v a l i d i t y c o e f f i c i e n t re p o rte d by H uddleston f o r an o b je c tiv e E n g lis h t e s t w ith a s im ila r c rite rio n . A p a r t o f th e d i f f i c u l t y i n o b ta in in g e s tim a te s o f o b je c tiv e E n g lish t e s t v a l i d i t i e s can be a t t r i b u t e d to th e la c k o f a r e l i a b l e c r i t e r i o n . Both co u rse g rad es and r a tin g s o f in d iv id u a l co m p o sitio n s have been g ro s s ly u n r e lia b le in th e p a s t . However, th e v a l i d i t y o f o b je c tiv e E n g lish t e s t s has been q u estio n ed on l o g i c a l g ro u n d s. Greene co n clu d es t h a t "m ost ob­ j e c t i v e t e s t s m easure only a few o f th e more obvious and m echanical s k i l l s . Im p o rtan t elem ents o f s t y l e and q u a lity u n d o u b ted ly l i e b e n e a th th e s u rfa c e o f th o se m echanical f a c t o r s ." 7 Greene a l s o s t a t e s t h a t th e e x p e rim en ta l 5 . R. W. E dm iston, and C. N. G in g e ric h , "The R e la tio n o f F a c to rs o f E n g lish Usage to C o m p o sitio n ", Jo u rn a l o f E d u c a tio n a l R e se a rc h , v o l. 3 6 , 19U2, pp. 269-71. 6 . H. R. Lockwood, C o r r e la tio n o f th e M ental M a tu rity o f One Hundred C o lleg e Freshmen and T h e ir A b ilit y to W rite E n g lish C om position ( M a s te r s T h e sis) U n iv e r s ity o f C h icag o , 1925. (Seen in a b s t r a c t only) R . L . Lyman, " I n ­ v e s tig a tio n s in th e F ie ld o f W ritte n C o m p o sitio n ", Summary o f I n v e s tig a ­ tio n s R e la tin g to Grammar. Language, and C o m p o sitio n , Supplem entary E d u c a tio n a l Monographs No. 3 6 , The U n iv e rs ity o f C h icag o , 1929, p . 175. 7 . H. A . Greene , " E n g lish —Language Grammar , and C om position", E ncyclopedia o f E d u c a tio n a l R e se a rc h , M acm illan, New Y ork, 1950, p . 39U. 11 evidence r e v e a ls a la c k o f r e l a t i o n s h i p betw een knowledge o f th o se m echanical f a c t o r s and a b e t t e r u t i l i z a t i o n o f them when w r itin g com posi­ tio n s . F u rth e rm o re , he r e p o r ts t h a t i n 1936, " th e C urriculum Commission of th e T each ers o f E n g lish recommended t h a t a l l te a c h in g o f grammar se p a ra te from th e m a n ip u la tio n o f se n te n c e s be d is c o n tin u e d , sin c e e v e ry s c i e n t i f i c a tte m p t to prove tli a t knowledge o f grammar i s u s e f u l has f a i l e d . " W ritin g r e q u ir e s more th a n a r e c o g n itio n o f c o r r e c t m ech an ical f a c t o r s ; i t r e q u ir e s a p ro p e r use o f them . L ikew ise w r itin g in v o lv e s more th a n a re c o g n itio n , o f v a lid i n t e r p r e t a t i o n s o f d a ta ; i t in v o lv e s th e e x p re s sio n of o r ig in a l i n t e r p r e t a t i o n s by the w r i t e r . The d if f e r e n c e betw een making o r ig in a l i n t e r p r e t a t i o n s o f d a ta and th e r e c o g n itio n o f such i n t e r p r e t a ­ tio n s was i l l u s t r a t e d i n a stu d y r e p o r te d by H artu n g , and o t h e r s . T h e ir stu d y was conducted to d eterm in e a v a l i d method f o r m easuring stu d e n ts* a b i l i t y to i n t e r p r e t d a ta c o r r e c t l y . f o r t h a t p u rp o s e . An o b je c tiv e t e s t was c o n s tru c te d The s tu d e n t was p re s e n te d a c o l l e c t i o n o f d a t a , to g e th e r w ith a l i s t o f i n t e r p r e t a t i o n s . which th e d a ta j u s t i f i e d . He was to s e l e c t th o s e in t e r p r e t a t i o n s To p ro v id e a c r i t e r i o n f o r th e o b je c tiv e t e s t , th e s tu d e n ts had been p ro v id ed th e same d a ta a t an e a r l i e r tim e and had been asked to w r ite f r e e e ssa y re sp o n se s fo llo w in g such g e n e ra l d ir e c tio n s a s : •»*Write f iv e sta te m e n ts t h a t you a r e su re a re t r u e ac c o rd in g to th e f a c t s given in th e s e d a ta ,* and ‘W rite th r e e s ta te m e n ts based on th e d a ta 9 w hich you a re n o t q u ite s u re a re tr u e a c c o rd in g to th e s e data*.** 8 . I b i d . . p . 392. 9 . M. L. H artu n g , L . Weisman, H. G. McMullen, and H. C. T rim b le , "A spects o f T liin k in g ", A p p ra isin g and R ecording S tu d en t P r o g r e s s , H arper and B r o th e rs , New Y ork, 19k2t p p . 6^ - 6 7 . c 12 A com parison o f th e re sp o n se s f o r th e same in d iv id u a ls on th e two t e s t form s produced th e fo llo w in g p a t t e r n s ; a . The s tu d e n t r e a c t s s im ila r ly on co rresp o n d in g ite m s o f th e two fo rm s, b . The s tu d e n t i s o v e rc a u tio u s on an item in ju d g in g i n t e r p r e t a ­ t i o n s made by o th e rs b u t goes beyond th e d a ta on th e c o r r e s ­ ponding item i n making h is own i n t e r p r e t a t i o n s . The re v e rs e p a t t e r n a ls o a p p e a r s . c . The s tu d e n t i s e i t h e r very c a u tio u s o r goes beyond th e d a ta in ju d g in g i n t e r p r e t a t i o n s made by o th e rs b u t i s a c c u ra te when making liis ova i n t e r p r e t a t i o n s . Here a l s o th e r e v e r s e p a tte rn a p p e a rs. ^ The o n ly claim made by th e a u th o rs f o r th e o b je c tiv e t e s t was t h a t i t can be used as an in d e x o f th e g e n e ra l a c cu rac y w ith w hich a group can make o r i g i n a l i n t e r p r e t a t i o n s . On th e o th e r hand, th e a u th o rs adm it t h a t i t s v a l i d i t y a s an in d e x f o r p r e d ic tin g th e ac cu rac y o f o r i g i n a l i n t e r ­ p r e ta tio n s by in d iv id u a ls i s n o t h ig h .^ * The d i f f e r e n t p a t t e r n s o f b e h a v io r in d e a lin g w ith id e a s on th e two t e s t form s used i n t h i s stu d y in d ic a te r a t h e r c l e a r l y t h a t a s t u d e n t ’s tre a tm e n t o f id e a s p re s e n te d in an o b je c tiv e t e s t p ro v id e s a v ery poor b a s is f o r p r e d ic tin g how he w ill t r e a t th o se same id e a s i n a w r itte n co m p o sitio n . In summary, i t seems t h a t th e s t u d e n t 's knowledge o r r e c o g n itio n o f m echanical and gram m atical f a c t o r s in v o lv e d in w r itin g has a low r e l a t i o n ­ sh ip w ith h is a c t u a l use o f them in h i s own w r itin g . A lso , i t seems t h a t th e s t u d e n t 's r e c o g n itio n o f c o r r e c t i n t e r p r e t a t i o n o f d a ta made by o th e rs has a low r e l a t i o n s h i p w ith h is own i n t e r p r e t a t i o n o f th e same d a t a . 10. I b i d . , p . 73. 1 1 . I b i d . , p . 72. 13 T h e re fo re , on l o g i c a l g ro u n d s, i t seems re a s o n a b le to q u e s tio n th e v a l id ­ i t y o f th e s c o re s on an o b je c tiv e E n g lish t e s t a s an in d e x e i t h e r o f s p e c if ic a s p e c ts o f a s t u d e n t ’s w r itin g a b i l i t y , o r o f h is o v e r - a l l w r i t ­ in g a b i l i t y a t a p a r t i c u l a r tim e . A t b e s t , i t seem s, th e o b je c tiv e E n g lish t e s t sc o re s can be used w ith some v a l i d i t y o n ly f o r p r e d ic tin g th e l i k l i hood o f a s t u d e n t s su c c e s s o r f a i l u r e in a w r itin g c o u rs e . F or t h a t p u rp o s e , i t h as ab o u t th e same p r e d ic tin g e f f ic ie n c y as a g e n e ra l i n t e l l i ­ gence t e s t . I t would seem t h a t th e o b je c tiv e E n g lis h t e s t would p rovide l i t t l e o r no b a s is f o r e v a lu a tin g s tu d e n t achievem ent i n a w r itin g c o u rse , which could be u s e d , i n t u r n , as a b a s is f o r e v a lu a tin g th e e f f e c tiv e n e s s o f te a c h in g methods f o r in d iv id u a l s tu d e n ts . On th e o th e r h an d , th e t r a d i t i o n a l ( d i r e c t ) method o f e v a lu a tin g a s tu d e n t’s w r itin g has been s u b je c te d to more se v ere c r i t i c i s m th a n has th e o b je c tiv e t e s t . I n f a c t , th e o b je c tiv e t e s t had i t s o r ig in in an a tte m p t to overcome th e g ro ss u n r e l i a b i l i t y o f s c o rin g th e e ssa y t e s t . 12 S ta ln a k e r s t a t e s t h a t ” . . . th e most r e c u r r e n t c r i t i c i s m o f th e e s sa y t e s t , and th e one ab o u t which m ost has b een w r i t t e n , co n cern s th e un­ r e l i a b i l i t y o f e v a lu a tin g e s sa y answ ers . . . . th e t y p i c a l e s sa y t e s t as t y p i c a l l y h a n d le d , w hether by th e classroom te a c h e r o r by ‘ex p e rts* . . . i s n o t r e l i a o l y graded a n d , t h e r e f o r e , can n o t sta n d a lo n e as a good m easuring in stru m e n t .**13 Huddelson r e p o r ts a stu d y in w hich th e av erag e d e v ia tio n o f th e s c o re s a s sig n e d c e r t a i n p a p e rs by te n te a c h e rs was more 12. A d k in s, o £ . c i t . t p p . 6 -7 . 13. John N. S ta ln a k e r , ”The E ssay Type E xam ination” , E d u c a tio n a l Measure m ent, Am erican C o u n cil on E d u c a tio n , W ashington, D. C ., 1951, p p . Ii9B^501. th a n two y e a rs o f norm al p u p il grow th. Of e ig h t th em es, te a c h e r Awould have f a i l e d s i x w liile te a c h e r B would have p assed a l l o f th e m .^ 4 S ta ln a k e r* s s ta te m e n t r e l a t i v e to " e x p e rts " f a i l u r e to grade e ssa y s r e l i a b l y i s p a r t i a l l y su p p o rted by a r e c e n t stu d y by H uddleston on •'measurement o f W ritin g A b i l i t y a t th e C o lleg e -E n tran c e L e v e l." The stu d y was conducted a t th e r e q u e s t and under th e p a r t i a l s u p e rv is io n of th e C ollege E n tran ce E xam inations B o ard . Y et H uddleston re p o r te d a re a d e r r e l i a b i l i t y o f o nly .62 f o r th e e s s a y s used i n th e stu d y On th e o th e r h an d , S ta ln a k e r s t a t e s t h a t " R e lia b le re a d in g s o f e ssa y pap ers i s p o s s i b l e , how ever, where th e q u e s tio n s a re c a r e f u l ly fram ed w ith th e problem o f e v a lu a tio n i n mind and where th e re a d e rs a re tr a in e d in th e te c h n iq u e s o f c o n s is te n t r e a d i n g . L y m a n a ls o in d ic a te s t h a t r e l i a b l e re a d in g s o f e s sa y s can be b ro u g h t about by e x te n siv e t r a i n i n g in th e use o f o b je c tiv e te c lin iq u e s . 17 R e lia b le r e a d in g s , a lth o u g h n o t t y p i c a l , have been re p o rte d o c c a sio n ­ a lly . T ra x le r and A nderson r e p o r te d one stu d y w ith a re a d e r r e l i a b i l i t y o f ,9b on pap ers w r i tte n on T opic A , and o f .85 on p ap e rs w r itte n on lh Topic B. In a l a t e r s tu d y , th e same a u th o rs r e p o rte d r e l i a b i l i t i e s by th e same re a d e r on d i f f e r e n t days o f .8 9 and ,9b f o r th e same two t o p ic s , 1R. E a r l H uddelson, "The E f f e c t o f O b je c tiv e S tandards Upon C om position T e a c h e rs' Judgm ents", Jo u rn a l o f E d u c a tio n a l R e se a rc h , v o l. 12 (December 1 9 2 5 ), p p . 329-UO. 15. H u d d lesto n , 0£ . c i t . , p . 73 . 16. S ta ln a k e r , ojd. c i t . , p . 503. 17. Lyman, 0£ . c i t . , p . 196. 18. A rth u r E. T ra x le r and H arold A. A nderson, "The R e l i a b i l i t y o f an Essay T e s t i n E n g lis h ," School R eview , v o l. U3 (Septem ber 1 9 3 5 ), PP. 53R-39. ^ r e s p e c tiv e ly . They a ls o re p o r te d r e l i a b i l i t i e s , f o r two r e a d e r s , o f .86 and .89 on th e same two t o p i c s , r e s p e c t i v e l y .1^ Of e ig h t re a d in g p e rio d s re p o r te d by H uddleston f o r th e C o lleg e E ntrance E xam inations B oard, fo u r p e rio d s had re a d in g r e l i a b i l i t i e s ra n g in g from .82 to .8 9 .20 In a r e l i a b i l i t y stu d y made by th e w r i t e r , o f te n p a i r s o f r e a d e r s , two p a ir s had r e l i a b i l i t i e s above .9 0 . Even when r e l i a b l e re a d in g s o f E n g lish co m p o sitio n s have been ob­ t a in e d , th e problem o f r e l i a b l e e v a lu a tio n o f s tu d e n t w r itin g a b i l i t y has n o t been s o lv e d . In a d d i t i o n , i t i s n e c e ssa ry to c o n s id e r th e r e l i a b i l i t y o f th e s tu d e n t’s perform ance from p ap er to p a p e r. D ie d e ric h s t a t e s t h a t a c o r r e la tio n o f o n ly .55 can be ex p ected between sc o re s o f p a p e rs by th e same s tu d e n ts on s im ila r to p ic s on d i f f e r e n t days—even when r e l i a b l e re a d in g s have been o b ta in e d . 21 T ra x le r and A nderson re p o rte d a c o r r e l a t i o n o f .60 between s c o re s o f p ap e rs by th e same s tu d e n ts on d i f f e r e n t t o p i c s , when th e re a d e r r e l i a b i l i t i e s were ,9U on Topic A and .85 on T opic B. pp Thus i t ap p ears t h a t th e q u a l ity o f a s tu d e n t’s w r itin g may v a ry n o tic e a b ly e i t h e r from to p ic to to p ic o r from tim e to tim e , o r b o th . No s tu d ie s a r e r e p o r te d , how ever, i n which an a tte m p t has been made to d i f f e r e n t i a t e betw een th e s e two so u rce s and t h e i r p o s s ib le e f f e c t s on th e q u a lity o f a s tu d e n t’ s w r i tin g . 19. H. A. A nderson, and A . E . T r a x le r , ’’The R e l i a b i l i t y o f th e R eading o f an E n g lish E ssay T e s t” , School Review , v o l. 1*8, 19u0, p p . 521-30. 20. H uddlesto n , 0£ . c i t . , p . 7 . 21. P au l B. D ie d e ric h , ’’The Measurement o f S k i l l i n W r i t i n g School Review v o l. 55 (A p ril 19U8), p p . 375-8U. 22. A. E. T ra x le r and H. A. A nderson, op . c i t . 16 S ince th e r e l i a b i l i t y o f an o b je c tiv e - ty p e t e s t u s u a lly i s n o t in flu e n c e d by d i f f i c u l t i e s i n o b ta in in g a c c u r a te s c o rin g (w hich i s a m a tte r o f c l e r i c a l a c c u ra c y ), c o n s id e ra b le a t t e n t i o n has been d ir e c te d tow ard th e so u rc e s o f u n r e l i a b i l i t y f o r t h a t ty p e o f t e s t . F or th e most p a r t , th o se so u rce s a r e d i r e c t l y r e l a t e d to v a r ia tio n s i n s tu d e n t perfo rm ­ ance on th e t e s t . Adkins s t a t e s t h a t The t e s t i t s e l f o f te n f a l l s f u r t h e r s h o r t o f p e r f e c tio n th a n i s u su a l w ith p h y s ic a l in s tr u m e n ts . But th e v a r ia tio n s in th e p erso n s m easured—v a r ia tio n s due to such in f lu e n c e s as f a t i g u e , p re v io u s t e s t i n g w ith th e same o r a s im ila r t e s t , and la c k o f i n t e r e s t o r e f f o r t —and v a r ia tio n s i n c o n d itio n s and methods o f t e s t a d m in is tr a tio n from tim e to tim e o r from exam iner to examiner o f te n c o n trib u te most to th e u n r e l i a b i l i t y of t e s t r e ­ s u l t s . These l a t t e r f a c t o r s , w hich o r ig in a t e o u ts id e th e t e s t i t s e l f , can be c o n tr o lle d to a c o n s id e ra b le e x te n t by c a r e f u l a t t e n t i o n to p ro ced u res o f t e s t a d m in is tr a tio n .23 A d k in s• d e s c r ip tio n o f " v a r ia tio n s i n th e p e rso n s measured" in d ic a te s t h a t a s t u d e n t 's perform ance may v ary from tim e to tim e a s a r e s u l t o f p sy c h o lo g ic a l v a r ia tio n s i n b eh av io r which a r e tem porary in c h a r a c t e r . R. L . T horndike in d ic a te s a s im ila r so u rce o f v a r i a t i o n i n t e s t p erform ance. Under "tem porary f a c t o r s a f f e c t i n g perform ance on many o r a l l t e s t s a t a p a r t i c u l a r tim e ," he l i s t s h e a l t h , f a t i g u e , m o tiv a tio n , em otional s t r a i n , e x te r n a l c o n d itio n s , momentary s e t , f l u c t u a t i o n s and id io s y n c r a s ie s o f 2ii human memory, e t c . T h o rn d ik e, how ever, c o n s id e rs a n o th e r sou rce o f v a r ia tio n which i s more l a s t i n g o r perm anent. He c a l l s t h i s so u rce " th e chance elem ent d e te rm in in g w hether th e in d iv id u a l does o r does n o t know 23. A d k in s, ojd. c i t . , p . 11*9. 2li. R . L . T h o rn d ik e, " R e l i a b i l i t y " , E d u c a tio n a l M easurem ent. American C o u n cil on E d u c a tio n , W ashington, D. C . , 195^1, p . £68. 17 o< a p a r t i c u l a r f a c t . ” ^ A ccording to T h o rn d ik e, There w i l l be a c e r t a i n amount o f v a r i a t i o n i n s p e c if ic b i t s o f knowledge or s k i l l , so t h a t even th e in d iv id u a l who has a h ig h o v e r - a l l a b i l i t y in th e a r e a in q u e s tio n w i l l la c k s p e c if ic item s o f knowledge o r s k i l l and th e in d iv id u a l low in g e n e ra l perform ance w i l l su cceed on i s o l a t e d ite m s n o t known by h is g e n e ra lly more p r o f i c i e n t f e l l o w .^6 The so u rce s o f t e s t v a r i a t i o n d e s c rib e d by A dkins as ’’v a r ia tio n s i n th e p erso n s" and by T horndike a s "tem porary f a c t o r s a f f e c t i n g perform ance" a re d e s c rib e d by L oevinger a s " t r a n s i t o r y v a r ia tio n s in e f f ic ie n c y On th e o th e r hand, T h o rn d ik e 's more perm anent so u rce o f v a r ia tio n co n cern in g a c c id e n ta l knowledge ( o r la c k o f i t ) i s in c lu d e d and extended somewhat by L oevinger u n d er what she c a l l s " a c c id e n ta l c o n te n t f a c to r s " To i l l u s t r a t e h e r e x te n s io n o f t h i s sou rce o f v a r i a t i o n , L oevinger s ta te s * We may c o n s id e r a t e s t c o n ta in in g a. number o f problem s in v e rb a l d e d u c tiv e re a s o n in g . The problem s would d i f f e r i n s u b je c t m a tte r , and a p a r t from th e d i f f i c u l t y o f th e r e la tio n s h i p s i n ­ v o lv e d , some to p ic s would be e a s ie r f o r a p a r t i c u l a r i n d iv i d u a l, r e l a t i v e to o th e r i n d i v i d u a l s , th a n o th e r t o p i c s , w hether because o f f a m i l i a r i t y , c o n g e n ia lity , o r s p e c i f i c em o tio n al f a c t o r s . ° (For co n v e n ien c e, th e s e two so u rces o f v a r i a t i o n i n s tu d e n t perform ance w i l l be r e f e r r e d t o , h e n c e fo rth , as " c o n te n t f a c t o r s " and " v a r ia tio n s in e f f i c i e n c y ." ) 25. I b id . 26. I b id . 27 . Jane L o e v in g e r, "A S y stem atic Approach to th e C o n s tru c tio n and Evalu­ a t io n o f T e s ts o f A b i l i t y " , P sy c h o lo g ic a l M onographs. v o l. 6 1 , No. ij., 19147, p . 5 . 28. Ib id . 29. I b id . 18 The e ffe c t, o f 'th ese "two so u rc e s on th e r e l i a b i l i t y o f ■bests i s con­ s id e re d by C ronbach. ty p e s : He c l a s s i f i e s r e l i a b i l i t y c o e f f ic ie n ts under th r e e th e c o e f f i c i e n t o f e q u iv a le n c e , th e c o e f f i c i e n t o f s t a b i l i t y , and th e c o e f f i c i e n t o f s t a b i l i t y and e q u iv a le n c e . "The c o e f f i c i e n t o f e q u i­ valence in d ic a te s how p r e c i s e ly th e t e s t m easures th e p e rs o n ’ s perform ance a t a p a rtic u la r tim e ." ^ I t i s o b ta in e d by c o r r e la tin g th e s c o re s on two t e s t s d e sig n e d to m easure th e same a b i l i t i e s , a d m in iste re d t o th e same s tu d e n ts d u rin g th e same p e r io d , o r by what i s known as th e " s p l i t - h a l f ” m ethod. T h is method u s u a lly c o n s is ts o f c o r r e la tin g th e s c o re s on th e odd item s w ith th o s e on th e even ite m s . The c o e f f i c i e n t o f e q u iv a le n c e , th e n , i s concerned w ith v a r i a t i o n s in s tu d e n t perform ance when th e s u b je c tm a tte r ( c o n te n t f a c t o r s ) has been changed b u t w h ile th e " e f f ic i e n c y le v e l" rem ains f a i r l y c o n s ta n t. "The c o e f f i c i e n t o f s t a b i l i t y shows th e e x te n t t o which s c o re s on th e p a r t i c u l a r t e s t ite m s a r e s ta b le o ver a p e rio d o f tim e . I t in d ic a te s w hether a sample o f b eh av io r ta k e n a t one tim e i s t y p i c a l o f b eh a v io r a t o th e r tim es T h is c o e f f i c i e n t i s o b ta in e d by c o r r e la tin g s c o re s on one t e s t a d m in is te re d to th e same s tu d e n ts a t d i f f e r e n t tim e s . Thus th e c o e f f i c i e n t o f s t a b i l i t y i s concerned w ith v a r ia tio n s i n s tu d e n t perform ­ ance due to v a r ia tio n s i n e f f ic ie n c y when th e c o n te n t f a c t o r s have been h e ld c o n s ta n t. The c o e f f i c i e n t o f s t a b i l i t y and eq u iv a le n c e i s o b ta in e d by c o r r e l a t ­ in g th e s c o re s on two com parable t e s t s a d m in iste re d to th e same s tu d e n ts 3 0 . Lee J . C ronbach, E s s e n tia ls o f P sy c h o lo g ic a l T e s tin g . H arper and B r o th e rs , New Y ork, 19U9, p p . o9. 31. I b id . 19 a t d i f f e r e n t tij n e s . C o n seq u en tly , b o th c o n te n t f a c t o r s and v a r ia tio n s in e f f ic ie n c y a f f e c t th e r e s u l t s . There i s no way o f knowing, how ever, which o f th e f a c t o r s may be r e s p o n s ib le f o r such v a r ia tio n s as o ccu r in th e s c o re s o f any in d iv i d u a l. L oevinger d is c u s s e s th e s e two so u rc e s more s p e c i f i c a l l y i n r e l a t i o n to b o th th e c o e f f i c i e n t o f e q u iv a le n c e and th e c o e f f i c i e n t o f s t a b i l i t y . She s t a t e s t h a t when th e r e l i a b i l i t y c o e f f i c i e n t ( o f e q u iv a le n c e ) i s computed by th e s p l i t - h a l f m ethod, u s in g th e s c o re s on th e odd and even item s to make up th e two h a l v e s , th e c o n te n t f a c t o r s a c t to low er th e c o e f f ic ie n t o b ta in e d , w h ile th e e f f ic ie n c y le v e l ( e n te r in g b o th sc o re s in th e same way) a c ts to r a i s e th e c o e f f i c i e n t o b ta in e d .^ 2 In o th e r w ords, th e c o n te n t f a c t o r s a re p r im a r ily r e s p o n s ib le f o r th e v a r ia tio n s which occur betw een th e s tu d e n ts * sc o re s on th e two h a lv e s o f th e t e s t . S ince th e e f f ic ie n c y le v e l of th e s tu d e n t e n te r s in to b o th s e t s o f s c o re s in th e same way, th e r e i s no in d ic a tio n o f how much v a r ia tio n m ight occur i f th e t e s t were a d m in is te re d a t a n o th e r tim e . B ut when th e t e s t - r e t e s t i s used to o b ta in th e c o e f f i c i e n t o f s t a b i l i t y , L oevinger in d ic a t e s t h a t v a r i a t i o n s i n e f f ic ie n c y l e v e l a c t to lo w er th e c o e f f i c i e n t , w h ile th e c o n te n t f a c to r s (b e in g re p e a te d ) may a c t to r a i s e th e c o r r e l a t i o n . 33 I n o th e r w ords, v a r ia tio n s i n e f f ic ie n c y seem p r im a r ily re s p o n s ib le f o r th e v a r ia tio n s which occur betw een th e s tu d e n ts 1 sc o re s on th e two a d m in is tr a tio n s o f th e same t e s t a t s h o r t i n t e r v a l s . 32. L o ev in g er, o £ . c i t . , p p . 5 -6 . 33. I b id . S ince th e 20 c o n te n t f a c t o r s rem ain th e sam e, th e r e i s no in d ic a tio n o f how much v a r ia tio n would o ccu r i f two com parable t e s t s ( d i f f e r i n g o n ly in c o n te n t) were a d m in is te re d d u rin g th e same p e r io d . T hus, to d eterm in e th e r e l a t i v e e f f e c t s o f th e s e two so u rc e s on in d iv id u a l s t u d e n t s , i t would be n e c e s s a ry to a d m in is te r two com parable t e s t s d u rin g tiie same p e r io d and th e n to r e p e a t b o th t e s t s a t an o th e r tim e . V a r ia tio n s in perform ance on th e two t e s t s d u rin g th e same p e rio d s would p ro v id e an e s tim a te o f th e e f f e c t o f c o n te n t f a c t o r s ; w h ile th e v a r ia tio n s i n perform ance on th e same t e s t s a t d i f f e r e n t tim es would p ro ­ v id e an e s tim a te o f th e e f f e c t o f v a r i a t i o n s i n e f f ic ie n c y . S tu d ie s o f in te l l i g e n c e t e s t s p ro v id e some c o n c re te evidence s u p p o rt­ in g th e s e c o n te n tio n s ab o u t th e e f f e c t s o f c o n te n t f a c t o r s and v a r ia tio n s in e ffic ie n c y . Cronbach r e p o r ts a s p l i t - h a l f c o e f f i c i e n t o f .91 from an a d m in is tr a tio n o f th e " D e tr o it B eginning F irs t-G ra d e I n te ll ig e n c e T e s t" , A d m in is tra tio n o f th e same t e s t fo u r months l a t e r produced a t e s t - r e t e s t c o e f f i c i e n t o f s t a b i l i t y o f .7 6 .* ^ The p e r io d betw een th e two a d m in is tra ­ t io n s o f th e t e s t d i d , o f c o u rs e , p ro v id e an o p p o rtu n ity f o r th o se who were u n f a m ilia r w ith th e c o n te n t o f th e ex am in atio n a t th e tim e o f i t s f i r s t a d m in is tr a tio n to g a in t h a t f a m i l i a r i t y b e fo re th e second adm inis­ tra tio n . In t h i s case th e e f f e c t o f th e c o n te n t f a c t o r s may have been as g r e a t a s though a d i f f e r e n t t e s t had been a d m in is te re d . In o th e r w ords, th e s p l i t - h a l f c o e f f i c i e n t o f .91 p ro v id e d a n e s tim a te o f v a r ia tio n due to c o n te n t f a c t o r s a t t h a t p a r t i c u l a r tim e . 3U. C ronbach, oj>. c i t . , p . 69. The t e s t - r e t e s t c o e f f i c i e n t o f 21 .76 prov id ed an e s tim a te o f th e e f f e c t n o t o n ly o f v a r ia tio n s i n effi** c ie n c y b u t a ls o o f c o n te n t f a c t o r s a s w e ll. S tro u d r e p o r ts t h a t even when i n t e l l i g e n c e t e s t s a r e a d m in iste re d o nly two o r th r e e days a p a r t , " th e median v a r i a b i l i t y i s no rm ally expected to be ab o u t 5 IQ p o i n t s . T h at i s , o n e -h a lf o f th e p u p ils change 5 IQ p o in ts o r more; a few change m ark ed ly . Not o n ly lias a v a r i a b i l i t y i n s tu d e n t perform ance on in te lli g e n c e t e s t s been n o ted from day to d ay , b u t a d if f e r e n c e in th e amount o f v a r i ­ a t io n has been noted f o r s tu d e n ts w ith d i f f e r e n t a b i l i t i e s . S tro u d r e ­ p o r ts tlia t th e p ro b ab le e r r o r o f an IQ sco re ra n g e s from l . i i 9 , f o r sc o re s below 70, to 3.5U , f o r s c o re s above 1 3 0 .^ ^ M e r r i l l r e p o r ts a s im ila r range f o r th e sta n d a rd e r r o r o f IQ s c o re s —from 2 .2 , f o r s c o re s below 70, to 5 .2 , f o r sc o re s above 1 3 0 .-^ S in ce such t e s t s a re c a r e f u l l y a d m in iste re d and sin c e th e v a r ia tio n s a re b o th p lu s and m in u s, th e s e f in d in g s would su g g e st t h a t , in s o f a r a s such t e s t s denote a b i l i t y , th e d eg ree of v a r i ­ a tio n s i n t e s t perform ance i s i n d i r e c t p r o p o rtio n to th e a b i l i t y o f th e i n d iv i d u a ls . An u n p u b lish ed stu d y by th e w r ite r su g g e s ts t h a t v a r ia tio n s i n th e q u a l ity o f s tu d e n t w r itin g may c lo s e ly p a r a l l e l th e v a r ia tio n s a c co rd in g to a b i l i t y found i n s tu d e n t perform ance on i n te lli g e n c e t e s t s . T h is stu d y concerned e v a lu a tin g improvement in th e q u a l ity o f s tu d e n t w r itin g over a 35. James B. S tro u d , P sychology i n E d u c a tio n , Longmans, G reene, and Company, New Y ork, 19U6, p . 300. 36. I b i d . , p . 301. 37. Maud A. M e r r i l l , MThe S ig n ific a n c e o f IQ ’ s on th e R evised S ta n fo rd B in e t S c a le s ” , J o u rn a l o f E d u c a tio n a l P sy ch o lo g y , v o l. 29 (December 1938) p p . 6U1-651. 22 p e rio d o f a y e a r 's t r a i n i n g i n co m p o sitio n . Each s tu d e n t w rote a pap er a t th e b e g in n in g and a n o th e r a t th e end o f th e y e a r . on th e same t o p i c . B oth p a p e rs were T w en ty -six and e i g h t - t e n t h s p e r c e n t o f th e 198 s t u ­ d e n ts in v o lv ed r e c e iv e d low er sc o re s on th e f i n a l p ap er th a n on th e i n i t i a l p ap e r. E ig h ty p e r c e n t o f th e s e s tu d e n ts who r e c e iv e d low er sc o re s on th e f i n a l p a p e r , had re c e iv e d s c o re s on t h e i r i n i t i a l p a p e rs w hich were above th e mean f o r t h a t group o f p a p e r s . I n s o fa r a s th e s c o re on th e i n i t i a l paper in d ic a te d th e s t u d e n t 's w r itin g a b i l i t y , th e f a c t t h a t t h i s e ig h ty p e r c e n t were above th e i n i t i a l mean su g g e s ts t h a t s tu d e n ts above average in w r itin g a b i l i t y may v ary more in th e q u a lity o f t h e i r w ritin g th a n th o se w ith l e s s th a n average a b i l i t y . A lthough much o f our e d u c a tio n a l measurement has ten d ed to ig n o re th e v a r ia tio n s i n s tu d e n t perform ance n o ted th u s f a r , such v a r ia tio n s i n human b eh a v io r a r e c o n s is te n t w ith c u r r e n t p s y c h o lo g ic a l th e o ry and f i n d i n g s . However, th e use o f a s t u d e n t 's sc o re on a s in g le t e s t o r on a s in g le paper a s in d ic a t iv e o f h i s achievem ent a t tli a t p a r t i c u l a r tim e i s to o p e ra te on th e b a s is o f th e m e ch an istic ( r e f l a x - a r c ) psychology i n vogue a t th e tu r n o f th e c e n tu ry and s h o r tly t h e r e a f t e r . As Mowrer s t a t e s , t h i s psychology was b ased on two a b s t r a c t i o n s , S (s tim u lu s ) and R ( re s p o n s e ) , og "w ith on ly a t h i n , e q u a lly a b s t r a c t , arrow c o n n e c tin g th e m ."J In answer to F e a r in g 's r e p e a te d re f e r e n c e " to th e q u a l ity o f 'i n v a r i a b i l i t y * which r e f le x e s a r e a lle g e d to p o s s e s s ," Mowrer w r ite s : . . . from th e o u ts e t t h i s p ro p e rty was an em barrassm ent to p s y c h o lo g is ts who were a tte m p tin g to make th e r e f l e x a r c the 38. 0 . H. w ow rer, "L earn in g T h eo ry ", Review o f E d u c a tio n a l R e s e a rc h , v o l. 22, No. S> (December 1 9 5 2 ), p . 1176. 23 c o rn e rsto n e o f a new p sy ch o lo g y , em b arrassin g c h i e f ly f o r th e re a s o n t l i a t a n y th in g ap p ro x im atin g an ad eq u ate th e o ry o f b eh av io r m ust p ro v id e f o r th e o cc u rren c e o f ch an g e, p l a s t i c i t y , le a r n in g . The c l a s s i c a l c o n c e p tio n o f th e r e f l e x was in t h i s r e s p e c t s in g u la r ly d e f i c i e n t . 3 9 E . L . Thorndike noted th e f a i l u r e o f th e m e c h a n istic psychology to account f o r v a r i a b i l i t y i n human b e h a v io r. In 1907, lie w ro te: . . . f o r any human b e in g 's th o u g h t and c o n d u c t, depending as th e y do upon th e a c tio n o f h is nervous sy stem , w ill sometimes show m y ste rio u s a l t e r a t i o n s —b e h a v io r u n e x p la in a b le by th e laws o f i n s t i n c t , a s s o c i a t i o n , and d i s s o c i a t i o n . The nervous system i s in flu e n c e d n o t o n ly by th e f a c t o r s acco u n ted f o r i n th e s e th r e e la w s , b u t a ls o by f a t i g u e , d ru g s , s ic k n e s s , th e decay o f o ld a g e , sh o ck , th e chance v a r ia tio n s o f b lo o d p r e s s u r e , m etabolism and th e lik e .h O S e v e ra l y e a rs l a t e r , Thorndike r e p o r te d a stu d y w hich su p p o rted th e view t h a t human b e h a v io r i s v a r ia b le from tim e to tim e . H is stu d y was concerned w ith p l o t t i n g th e work curve o f f i v e d i f f e r e n t g rad u ate p sy ­ chology s tu d e n ts on f i v e d i f f e r e n t d a y s. The work c o n s is te d o f adding numbers f o r one and o n e -h a lf to two h o u rs , r e c o rd in g th e tim e , in se co n d s, a t th e com pletion o f each row o f 16 exam ples— th u s o b ta in in g th e le n g th o f tim e re q u ir e d to com plete each row o f a d d i tio n p ro b le m s. Thorndike concluded t h a t " th e v a r ia tio n in th e form o f th e work cu rv e on d i f f e r e n t days i s so g r e a t a s to r e q u ir e c a r e f u l c o n s id e r a tio n o f th e u n r e l i a b i l i t y o f any d e te rm in a tio n based on o n ly a few d a y s ' r e c o r d s . " ^ 39. I b i d . iiO. E . L . T h o rn d ik e, The Elem ents o f P sy ch o lo g y , The Mason-Henry P r e s s , S y ra c u se , New Y ork, 1907, p . 222. U l. E . L. T h o rn d ik e, M ental Work and F a tig u e and In d iv id u a l D if f e r e n c e s , T eachers C o lle g e , Columbia U n iv e r s ity , New Y ork, 1923, p . 5>3. 2k T horndike gave th e com plete d a ta f o r one s u b je c t on th e tim e r e ­ q u ired to com plete each row o f examples on each d a y . Computing the average tim e re q u ir e d to com plete each o f th e n in e rows o f examples used on f iv e d i f f e r e n t days p ro v id e d a check on th e v a r ia tio n o f o v e r - a l l e f f ic ie n c y on d i f f e r e n t d a y s . The fo llo w in g v a r ia tio n s were found in th e average number o f seconds r e q u ir e d to com plete each row o f exam ples: 1 s t Day 2nd Day 3 rd Day l*th Day 5 th Day 11*2.7 129.7 150.3 1 1 9 .U 10l*.8 The maximum d if f e r e n c e in th e average tim e re q u ire d to com plete ea ch row of a d d itio n problem s was 1*5.5 seconds—betw een th e t h i r d and f i f t h d a y s. In o th e r w ords, th e s u b je c t s p e n t 1*3. h p e r c e n t more tim e p e r row on th e t i d r d day th a n on th e f i f t h d a y . between th e f i r s t and t h i r d d a y s . The minimum d if f e r e n c e was 7 .6 seco n d s— The s u b je c t sp e n t 5 .3 p e r c e n t more tim e p e r row on th e t l i i r d day th a n on th e f i r s t d a y . ^ On th e o th e r h an d , Gates re p o r te d a stu d y on v a r ia tio n s i n e f f ic ie n c y o f p erfo rm in g a d d itio n problem s a t d i f f e r e n t tim es d u rin g th e same day. The g r e a t e s t v a r ia tio n n o ted d u rin g th e day was 1*.2 p e r c e n t , l e s s tlian th e minimum d if f e r e n c e n o ted between days . ) *3 which i s Thus i t ap p ears t h a t v a r ia tio n s i n perform ance on d i f f e r e n t days i s l i k e l y to be g r e a te r th a n such v a r ia tio n s a t d i f f e r e n t tim es d u rin g th e same day. Gates a ls o d e p a rts from th e b a s ic co n cep t o f th e m e c h a n istic p sy ­ chology i n h is d is c u s s io n o f human b e lia v io r, c l a s s i f y i n g th e so u rc e s of 1*2. I b i d . , p . 1*9. 1*3. A rth u r I . G a te s , Psychology f o r S tu d e n ts o f E d u c a tio n . The M acm illan Company, New Y ork, 1931, p . 1*71. 25 v a r i a t i o n a s e x te r n a l and i n t e r n a l : H ost o f th e complex r e a c tio n s w ith which p sychology i s concerned m oreover a r e made n o t to a s in g le and sim ple stim u lu s b u t to a com bin atio n o f f o r c e s . P rom inent among th e f o rc e s a re th e a c t i v i t i e s g o in g on w ith in th e p e rso n a t th e tim e . The a c t i v i t y o f any b o d ily mechanism se rv e s a s a p a r t i a l cau se o r s tim u lu s f o r f u r t h e r a c t i v i t y . Thus b eh a v io r o f a man i s determ ined by th e combined and c o o rd in a te d e f f e c t s o f what we may f o r conven­ ie n c e d iv id e in to e x te r n a l and i n t e r n a l a c t i v i t i e s , in c lu d in g i n th e l a t t e r b o th co n scio u s and u n conscious a c t i v i t i e s A lthough Gates made t h i s s ta te m e n t in 1931, i t i s c lo s e ly p a r a l l e l e d by Mowrer*s r e c e n t summary o f " le a r n in g Theory” : . . . I t i s now a p p a re n t t h a t th e s e two form s o f le a r n in g e x i s t and f u n c tio n , n o t s id e - b y - s id e , b u t e n d -to -e n d : s ig n le a r n in g i s th e p ro c e s s whereby e x te r n a l ev e n ts come to produce i n t e r n a l d riv e s t a t e s , and s o lu tio n le a r n in g i s th e p ro c e s s whereby i n t e r n a l d r iv e s t a t e s produce e x t e r n a l t o v e r t b e h a v io r . We th u s advance from a s im p le , and p r e t t y c l e a r l y in a d e q u a te , S-R p sy ­ chology to an S-R:S-R p sy ch o lo g y . By draw ing a c i r c l e (0) around th e R:S p a r t o f t h i s seq u en ce, we n o t only r e d is c o v e r th e ’organism* b u t we redeem i t from th e s t a t e o f 'e m p tin e s s ' to which extrem e beliav io rism condemned i t ^ ^and th u s b e g in , r e a l i s t i c a l l y , to examine th e org an ism -as-a-w h o le T h u s, th e to p ic a s sig n e d a t a p a r t i c u l a r tim e , o r th e s u b je c t m a tte r o f a p a r t i c u l a r t e s t ite m , may be co n sid ered as an e x te r n a l f a c t o r , w h ile th e a c t i v i t i e s going on w ith in a p e rso n a t a p a r t i c u l a r tim e may be con­ s id e re d a s i n t e r n a l f a c t o r s v a ry in g from tim e to tim e . Inasmuch as th e to p ic a s s ig n e d , o r th e s u b je c t m a tte r o f a p a r t i c u l a r t e s t ite m , may a f f e c t th e i n t e r n a l a c t i v i t i e s o f th e in d iv i d u a l, th e two so u rc e s o f v a r i a t i o n a re in s e p a r a b le . In g e n e ra l, how ever, th e i n t e r n a l f a c t o r s (th e e f f ic ie n c y l e v e l o f th e in d iv id u a l) may be co n sid ered as th e p rim ary v a r ia b le when 14i. I b i d . . p . 65. ii5. Mowrer, 0 £ . c i t . , p . 14.92. 26 th e same c o n te n t f a c t o r s a r e r e p e a te d a few days a p a r t . L ik e w ise , when d i f f e r e n t c o n te n t f a c t o r s a r e p re s e n te d d u rin g a s h o r t p e r io d , th e e f f ic ie n c y l e v e l sh o u ld rem ain f a i r l y c o n s ta n t—th u s th e c o n te n t f a c t o r s may be c o n sid e re d a s th e p rim ary v a r i a b l e . SUMmARY As p re v io u s ly in d ic a te d , th e te a c h in g o f w r itte n e x p re s s io n i s con­ s id e re d a s one o f th e most im p o rta n t e d u c a tio n a l o b je c ti v e s . A t th e same tim e , s tu d e n t achievem ent in t h i s a re a has been s u b je c te d to c o n s id e ra b le c ritic is m . The f a i l u r e o f s tu d e n ts to a t t a i n th e d e s ir e d g o als h as been e x p la in e d as fo llo w s : 1) Improvement in language h a b its i s a slow p r o c e s s . 2) Lack o f c o o p e ra tio n by te a c h e rs in o th e r a re a s te n d s to c o u n te ra c t tiie work o f th e co m p o sitio n t e a c h e r . 3) T eaching methods i n u se may be in a d e q u a te . R esearch r e l a t e d to th e s e f a c t o r s lias been lim ite d i n i t s v alue by th e la c k o f v a lid and r e l i a b l e e v a lu a tio n te c h n iq u e s f o r d ete rm in in g s t u ­ d en t improvement in w r i tin g . A lthough o b je c tiv e E n g lish t e s t s have proved to be r e l i a b l e in s tru m e n ts , th e y have n o t been v a lid a te d f o r e v a lu a tin g improvement in th e q u a l ity o f s tu d e n t w r i tin g . On a lo g i c a l b a s i s , i t seems d o u b tfu l t h a t o b je c tiv e t e s t s can be developed t h a t w i l l accom plish t h a t p u rp o se . On th e o th e r hand, th e d i r e c t e v a lu a tio n o f th e q u a lity and th e im­ provem ent o f s tu d e n t w r itin g has been h in d e re d by two m ajor o b s ta c le s : l ) R e lia b le r a t i n g s o f sam ples o f s tu d e n t w r itin g have been d i f f i c u l t to 27 o b ta in , and 2) th e r e l i a b i l i t y o f a s t u d e n t 's w r itin g perform ance has been q u e s tio n e d . Through th e in te n s iv e t r a i n i n g o f r a t e r s i n th e use o f w r itin g s c a le s and v a rio u s ty p e s o f sc o re c a r d s , r e l i a b l e r a t i n g s o f s tu d e n t w r itin g have been o b ta in e d . A ls o , th e re i s c o n s id e ra b le evidence to in d ic a te t h a t " c o n te n t f a c t o r s " and " v a r ia tio n s in e f f ic ie n c y " sire th e prim ary so u rces o f v a r i a t i o n i n s tu d e n t perform ance on t e s t s . Y et m ost s tu d ie s conducted to e v a lu a te s tu d e n t improvement i n w r itin g have used a s in g le com position f o r th e p r e - t e s t and a n o th e r co m p o sitio n on a d i f f e r e n t to p ic f o r th e p o s t - t e s t . Even though such e v a lu a tio n p ro ced u res have shown a sm all o v e r - a l l improvement i n th e q u a l i t y o f w r i t i n g , th e r e s u l t s were p r a c t i c a l l y m ean in g less f o r e v a lu a tin g in d iv id u a l im provem ent. In two s t u d i e s , th e s c o re s r e p o r te d were low er on th e f i n a l p a p e rs th a n on th e i n i t i a l p a p e rs f o r a c o n s id e ra b le p o r tio n o f th e s t u d e n t s . I t seems re a s o n a b le t o assume i n each ca se t h a t th o se s tu d e n ts d id n o t become p o o re r w r ite r s d u rin g th e y e a r 's t r a i n i n g p e r io d . Thus i t seems re a s o n a b le to conclude t h a t th e e v a lu a tio n p ro ced u re was a t f a u l t . I f th e e v a lu a tio n pro ced u re was r e s p o n s ib le f o r th e a p p a re n t r e g r e s s io n in w r itin g a b i l i t y f o r many s tu d e n ts , i t seems re a s o n a b le to assume t h a t th e e v a lu a tio n p ro ­ cedure a ls o r e s u l t e d i n a p p a re n t g a in s w hich w ere ex a g g erate d f o r o t h e r s . A t b e s t , i t would seem t h a t th e u s e fu ln e s s o f c u r r e n t e v a lu a tio n p ro ced u res i n t h i s a re a has been lim ite d t o p ro v id in g th e te a c h e r w ith some evidence t h a t a group o f s t u d e n t s , a s a w h o le, has made some improvem ent, and t h a t such improvement i s r a t h e r s m a ll. E v a lu a tio n p ro ced u res have f a i l e d to p ro v id e th e te a c h e r th e p e r t i n e n t in fo rm a tio n about in d iv id u a l 28 improvement which he needs b e fo re he ca n i n t e l l i g e n t l y approach th e ta s k of im proving h i s te a c h in g m ethods and p ro c e d u re s . As T y le r s t a t e s , one of th e im p o rta n t p u rp o ses o f e v a lu a tio n " , . . i s to p ro v id e in fo rm a tio n b a s ic to e f f e c t iv e guidance o f in d iv id u a l s tu d e n ts . . . . judgment t h a t he i s enough. M erely th e doing a v e ra g e work i n a p a r t i c u l a r co u rse i s n o t We need to f in d o u t more a c c u r a te ly where he i s p ro g re s s in g 1*6 where he i s h av in g d i f f i c u l t i e s . ” and F or t h i s p u rp o s e , we n ee d , f i r s t o f a l l , r e l i a b l e and v a lid r a t i n g s of th e stu d e n t* s w r i t i n g . Second, we need t o have a r e l i a b l e sample o f a s tu d e n t* s w r itin g a t th e tim e h is achievem ent i s b e in g e v a lu a te d . And, i f a r e l i a b l e sample can n o t be o b ta in e d , th e n enough sam ples should be o b ta in e d to p ro v id e a r e l i a b l e e s tim a te o f w r itin g a b i l i t y . exam ple, th e q u a l i t y o f a s tu d e n t* s w r itin g v a r ie s I f , fo r from to p ic to t o p i c , th e n we would need sam ples o f h is w r i tin g on d i f f e r e n t to p ic s ; a n d , i f th e q u a l ity o f h is w r itin g v a r ie s from tim e to tim e , th e n we would need sam ples o f h is w ritin g a t d i f f e r e n t tim e s ; a n d , i f th e p s y c h o lo g ic a l p r e s s u r e o f th e f i n a l ex am in atio n s i t u a t i o n has an a d v e rse e f f e c t on th e q u a l ity o f a stu d e n t* s w r i t i n g , th e n we would need sam ples o f h i s w r itin g u n d er o th e r c o n d itio n s ; a n d , i f th e q u a l i t y o f s tu d e n t w r itin g v a r ie s i n amount from to p ic to to p ic and from day to day in d i r e c t p r o p o rtio n to s tu d e n t a b i l i t y i n w r i t i n g , th e n we would need more sam ples o f w r i tin g f o r th o se w ith more a b i l i t y th a n f o r th o s e w ith l e s s a b i l i t y - - i n o rd e r to o b ta in a v a lid e s t i ­ mate o f each s t u d e n t 's w r i t i n g a b i l i t y . 1*6. T y le r , o p . c i t . , p p . 8-9 29 The purpose o f t h i s t h e s i s was to t e s t th e s e b a s ic assum ptions on th e s t a b i l i t y o f a s t u d e n t 's w r itin g p erfo rm an ce—to d eterm in e w hether a s in g le p ap er w r i t t e n by a s tu d e n t on a g iv en to p ic a t a p a r t i c u l a r tim e can be c o n sid e re d a s a r e p r e s e n ta ti v e sam ple o f h is w r itin g a b i l i t y , and th u s p ro v id e a v a l i d b a s is f o r e v a lu a tin g a s t u d e n t 's a b i l i t y a t any tim e i n a w r itin g c o u r s e . CHAPTER I I I DESIGN AND PROCEDURE FOR CONDUCTING THa STUDY As p r e v io u s ly s t a t e d , f o u r b a s ic assu m p tio n s a r e in h e r e n t i n th e use o f a s in g le p a p e r w r i tte n by a s tu d e n t on a g iv en to p ic a t a p a r t i c u l a r tim e a s a b a s is f o r e v a lu a tin g h is ach iev em en t a t any tim e i n a w r itin g co u rse. Such a p r a c t ic e assum es th a t* 1 . any given to p ic p ro v id e s th e same s tim u lu s a s any o th e r t o p i c , 2 . any g iv e n to p ic e l i c i t s c o n s ta n t re sp o n se s a t d i f f e r e n t tim e s , 3 . th e p s y c h o lo g ic a l p r e s s u r e in tro d u c e d by th e ex am in atio n s i t u ­ a tio n has no ad v erse e f f e c t on th e q u a lity o f s tu d e n t w r i t i n g , and U. th e q u a lity o f s tu d e n t w r i tin g i s s t a b l e from to p ic to to p ic and from tim e to tim e , w ith o r w ith o u t th e p r e s s u re o f an e x a m in a tio n , r e g a r d le s s o f v a r ia tio n s i n s tu d e n t w r itin g a b i l i t y . A ssignm ents and D esign S ince th e p u rpose o f t h i s t h e s i s was t o t e s t th e s e fo u r a ssu m p tio n s, s p e c i f i c w r itin g assig n m en ts and s p e c i f i c c o n d itio n s r e l a t i v e to each assum ption were p ro v id e d f o r groups o f s tu d e n ts e n r o lle d in th e f i r s t term o f th e W ritte n and Spoken English^" co u rse a t M ichigan S ta te C o lle g e . T his i s a re q u ire d th r e e -te rm ( q u a r te r ) c o u rse i n th e B asic C o lle g e , which i s a g e n e ra l e d u c a tio n program . S tu d e n ts r e c e iv e t r a i n i n g in fo u r com munication 1 . I n 1952, th e name o f th e c o u rse was o f f i c i a l l y changed to '•Communication S k ills . 31 s k ills s w r itin g , s p e a k in g , re a d in g and l i s t e n i n g . They a tte n d c l a s s e s f iv e hours each week—one hour o f l e c t u r e , two hours o f r e c i t a t i o n , and two hours o f la b o r a to r y . A ll p a p e rs a r e w r i t t e n in c l a s s d u rin g th e s e tw o-hour la b o r a to r y p e r i o d s . R equirem ents f o r th e f i r s t a ssu m p tio n . To t e s t th e f i r s t assu m p tio n— t h a t any giv en to p ic p ro v id e s th e same s tim u lu s a s any o th e r t o p ic — i t was n e c e ss a ry to have s tu d e n ts w r ite p a p e rs on two o r more to p ic s d u rin g one w r itin g p e r io d , so t h a t th e g e n e ra l e f f ic ie n c y l e v e l o f th e s tu d e n ts would e n te r in to th e w r itin g f o r each to p ic i n ab o u t th e same m anner. The s e l e c t i o n o f th e to p ic s p re s e n te d two p ro b lem s, one co n cern in g th e n a tu re o f th e to p ic s and th e o th e r c o n c ern in g th e number o f to p ic s to be a s s ig n e d . A lthough D ie d e ric h 2 has recommended t h a t s im ila r to p ic s be used in o rd e r to o b ta in th e b e s t e s tim a te o f a s t u d e n t 's w r itin g a b i l i t y , f r e ­ q u e n tly th e t r a i n i n g i n a w r itin g co u rse in v o lv e s more th a n one ty p e o f w r itin g , o r one ty p e o f t o p i c . F or exam ple, i n th e W ritte n and Spoken E n g lish Course a t M ichigan S ta te C o lle g e , th e two assig n m en ts co n sid e re d n ea r th e end o f th e f i r s t term a re concerned w ith l ) th e developm ent o f an id e a by th e use o f two o r more m eth o d s, and 2) th e g iv in g o f d ir e c tio n s o r th e d e s c r ip tio n o f a p r o c e s s . The q u e s tio n a r i s e s w hether th e q u a lity o f a s t u d e n t 's w r itin g would be th e same on two s im ila r to p ic s r e l a t e d to one o r th e o th e r o f th o s e a s s ig n m e n ts . And, would th e v a r ia tio n s between 2 . P a u l B. D ie d e ric h , "The M easurement o f S k i l l i n W ritin g ," School Review , v o l. 55 ( A p r il 19U8), p p . 375-8U. 32 two p a p e rs on s im ila r to p ic s r e l a t e d to one assig n m en t be any d i f f e r e n t th a n on d i s s i m i l a r to p ic s r e l a t e d to th e two assig n m e n ts? In o rd e r to r e s o lv e t h i s , i t was n e c e s s a ry to a s s ig n b o th s im ila r and d i s s i m i l a r t o p i c s . By com bining two s im ila r to p ic s w ith one d is s im il a r t o p i c , o n ly th r e e to p ic s were n e c e ss a ry to p ro v id e a s a t i s f a c t o r y t e s t f o r th e f i r s t assu m p tio n . The s p e c i f i c s e l e c t i o n o f th e to p ic s was made in c o lla b o r a tio n w ith th e two i n s t r u c t o r s from th e W ritte n and Spoken E n g lis h D ep artm en t, whose s tu d e n ts w rote th e p ap ers used i n t h i s stu d y . S in ce th e p a p e rs were to be w r i tte n n e a r th e end o f th e te rm , th e s e le c tio n o f th e to p ic s was lim ite d to th e n a tu re o f th e two co u rse assig n m en ts d u rin g t h a t p e r io d . I t was a g re e d t h a t th e two s im ila r to p ic s co u ld b e s t be s e le c te d from th e course assig n m en t co n c ern in g 11th e developm ent o f an id e a by th e u se o f two o r more methods ," and t h a t th e d is s im ila r to p ic co u ld be s e le c te d from th e assig n m en t co n cern in g "th e g iv in g o f d i r e c t i o n s o r th e d e s c r ip tio n of a p r o c e s s ." T h u s, th e two s im ila r to p ic s co uld be developed by th e use o f s im ila r m eth o d s, w ith th e c o n te n t p ro v id in g th e m ajor v a r i a b l e . On th e o th e r h an d , th e d is s im il a r to p ic would d i f f e r from th e o th e r two to p ic s n o t only i n c o n te n t b u t, a l s o , i n th e method needed f o r developm ent. I n s o f a r as p o s s i b l e , to p ic s were s e le c te d c o n c ern in g m a te r ia l common to a l l s tu d e n ts e n r o lle d i n th e c o u r s e . w ere; The two s im ila r to p ic s a s s ig n e d l ) " I t l a ( I s Not) Too F a r Between C lassroom s f o r S tu d en ts to T ra v e l D uring th e Ten-4!4inute P erio d A llow ed," and 2) "Textbooks f o r Freslimen a t M ichigan S ta te C o lleg e Are (Are Not) Too E x p en siv e." Each s tu d e n t was p ro v id ed a b ro ch u re o f in fo rm a tio n p e r ta in in g to each t o p i c . 33 The d i s s i m i l a r to p ic a s s ig n e d was: "Give D ir e c tio n s to a S tra n g e r a t th e Union B u ild in g E nabling Him to Get to B u ild in g A-6 on South Campus." F or t h i s t o p i c , each s tu d e n t was p ro v id e d a map o f th e campus. (For co n v e n ie n c e , h e n c e f o r th , th e s e th r e e to p ic s w i l l be r e f e r r e d to i n a b b re v ia te d form a s : "D istan ce Between C la s s e s " , "C ost o f T ex tb o o k s", and "G iving D ir e c tio n s " , r e s p e c t i v e l y .) These th r e e to p ic s p ro v id e d th e n e c e ss a ry v a r ia tio n s i n s ti m u li to t e s t th e assu m p tio n t h a t "any giv en to p ic p ro v id e s th e same s tim u lu s as any o th e r t o p i c . " I t would have been d e s ir a b le to have each s tu d e n t w rite on a l l th r e e to p i c s —two s im ila r and one d i s s i m i l a r —d u rin g one w r itin g p e r io d . Such a p ro c e d u re , how ever, would have in tro d u c e d th e p o s s i b i l i t y o f f a tig u e d ev e lo p in g to th e e x te n t t h a t th e e f f ic ie n c y l e v e l o f th e s tu d e n ts would be reduced c o n s id e ra b ly b e fo re th e ta s k was co m p leted . Such a n e f f e c t would make i t Im p o ssib le to d eterm in e v a r ia tio n s in th e q u a l ity o f w r i tin g due to th e to p ic s a s s ig n e d . T h e re fo re , i t was c o n sid e re d a d v is a b le to r e s t r i c t th e w r itin g assig n m en ts to two to p ic s d u rin g a s in g le tw o-hour w r itin g p e r io d . W ith such a r e s t r i c t i o n , i t was n e c e ss a ry to use two groups o f s t u ­ d e n ts i n o rd e r to compare v a r ia tio n s i n th e q u a l ity o f w r itin g between p ap e rs on s im ila r to p ic s w ith v a r ia tio n s betw een p ap e rs on d is s im il a r t o p ic s . Group A was asked to w r ite a p ap e r on each o f th e two s im ila r t o p i c s . Group B was asked to w rite a p a p e r on one o f th e s im ila r t o p i c s , "D istan ce Between C la s s e s " , and a n o th e r p a p e r on th e d is s im il a r t o p i c , "G iving D i­ r e c tio n s " . T h is p ro ced u re p ro v id e d a b a s is f o r com paring b o th th e e f f e c t o f s im ila r to p ic s and th e e f f e c t o f d is s im il a r to p ic s on th e q u a lity of 3b s tu d e n t w r itin g —th e re b y p ro v id in g a b a s is f o r t e s t i n g th e assu m p tion t h a t "any giv en to p ic p ro v id e s th e same stim u lu s a s any o th e r t o p i c " . (P ro v is io n f o r t e s t i n g w h eth er f a tig u e e n te re d in to th e w r itin g o f th e second paper i s e x p la in e d l a t e r u n d er " C o n tro l o f th e f a tig u e f a c t o r " . ) Requirem ents f o r th e second a ssu m p tio n . To t e s t th e second assu m p tio n — t h a t any giv en to p ic e l i c i t s c o n s ta n t re sp o n se s a t d i f f e r e n t tim e s —i t was n e c e ssa ry to have s tu d e n ts w rite on th e same to p ic on d i f f e r e n t d a y s. T hus, by r e p e a tin g th e assig n m e n ts d e s c rib e d f o r t e s t i n g th e f i r s t assump­ t i o n , a b a s is was p ro v id e d f o r t e s t i n g th e second a ssu m p tio n . In f a c t , th e assignm en t o f th e same to p ic s to th e same s tu d e n ts on a second day p ro v id ed s e ts o f p a p e rs on th e th r e e d i f f e r e n t to p ic s as a b a s i s f o r com­ p a rin g th e q u a l i t y o f s tu d e n t w r itin g on d i f f e r e n t d ay s—a b a s is f o r d e te rm in in g w h eth er v a r ia tio n s i n e f f ic ie n c y from day to day have any e f f e c t on th e q u a l i t y o f s tu d e n t w r i tin g . Requirem ents f o r th e t h i r d assu m p tio n . To t e s t th e t h i r d assu m p tio n — t h a t th e .p sy c h o lo g ic a l p r e s s u r e o f th e ex am in atio n s i t u a t i o n has no ad v e rse e f f e c t on th e q u a l i t y o f s tu d e n t w r itin g — i t was n e c e s s a ry to have s tu d e n ts w rite w ith o u t t h a t p re s s u re a t one tim e and to w r ite on th e same to p ic w ith tli a t p r e s s u r e a t a n o th e r tim e . Two o th e r groups o f s tu d e n ts , groups C and D, were used f o r t h i s p u r­ p o se . They became th e p re s s u re g ro u p , w h ile groups A and B serv ed a s a c o n tro l—w r itin g on b o th days w ith o u t th e p s y c h o lo g ic a l p re s s u re o f th e exam ination s i t u a t i o n . I t was n e c e s s a ry to have th e s tu d e n ts used f o r t e s t i n g th e t h i r d assum ption ( th e p re s s u re groups C and D) w rite t h e i r f i r s t s e t o f p ap e rs 35 under th e same c o n d itio n s and w ith th e same assig n m en ts used f o r th e c o n tro l group. to p ic s* T h u s, group C was a s s ig n e d to w rite on th e two s im ila r "D ista n c e Between C la s s e s " and "C ost o f T ex tb o o k s", and group D was a ssig n e d t o w r ite on th e two d i s s i m i l a r to p ic s : C la sse s" and "G iv in g D ir e c t io n s " . "D istan ce Between Then by adding th e ex am in atio n s i t u a t i o n as th e o nly v a r ia b le f o r th e s e p re s s u re s tu d e n ts on th e second d a y , a b a s is was p ro v id ed f o r d e te rm in in g th e e f f e c t o f th e ex am in atio n s i t u a t i o n on th e q u a lity o f s tu d e n t w r i t i n g . R equirem ents f o r th e f o u r th assu m p tio n . To t e s t th e f o u r th assu m p tio n — t h a t th e q u a l ity o f s tu d e n t w r itin g i s s ta b le from to p ic to to p ic and from tim e to tim e , w ith o r w ith o u t th e p r e s s u r e o f an ex a m in a tio n , r e g a r d le s s of v a r ia tio n s i n w r itin g a b i l i t y —i t was n e c e ssa ry to ran k th e s tu d e n ts ac c o rd in g to t h e i r w r itin g a b i l i t y and th e n to a n a ly z e th e d eg ree and f r e ­ quency o f v a r i a t i o n s i n th e q u a l ity o f w r itin g in r e l a t i o n to th e ran k o f in d iv id u a ls . Summary. (The method o f ra n k in g i s d e s c rib e d i n C hapter V.) The fo llo w in g w r itin g assig n m en ts p ro v id e d th e b a se s f o r t e s t i n g each o f th e f i r s t th r e e assu m p tio n s: 1 . F or th e assu m p tio n t h a t any given to p ic p ro v id e s th e same stim u lu s as any o th e r t o p i c , two p ap e rs were w r i tte n d u rin g a s in g le w r itin g p e rio d by each s tu d e n t i n Group A on s im ila r t o p i c s , and i n Group B on d i s s i m i l a r to p ic s . 2 . For th e assu m p tio n t h a t any g iv en to p ic e l i c i t s c o n s ta n t re sp o n se s a t d i f f e r e n t tim e s , th e i n i t i a l assig n m en ts f o r Groups A and B were r e ­ p e a te d . 36 3. F or th e assum ption t h a t th e p s y c h o lo g ic a l p re s s u re in tro d u c e d by th e ex am in atio n s i t u a t i o n lias no a d v e rs e e f f e c t on th e q u a l ity o f s tu d e n t w r itin g , two p ap ers were w r itte n b y each s tu d e n t i n Group C on s im ila r to p ic s and i n Group D on d is s im il a r t o p i c s , w ith o u t th e ex am in atio n p r e s ­ su re on th e f i r s t day and w ith t h a t p r e s s u r e on th e second d ay . D esign i n ta b u la r fo rm . assignm ents Key to The s i m i l a r i t i e s and v a r ia tio n s in th e w r itin g f o r th e f o u r groups o f s tu d e n ts a r e shown below i n ta b u la r form : ta b u la t io n : T opic 1 - ’’D ista n c e Between C lasses* T opic 2 - ’’C o st o f T extbooks” T opic 3 - ” G iving D ir e c tio n s ” W/0 - W ritin g w ith o u t th e ex am in atio n p re s s u re W - W ritin g w ith th e ex am in atio n p re s s u re F i r s t Day S im ila r T opics T opic 1 Topic 2 Second Day S im ila r T opics Topic 1 Topic 2 Group A W/O W/0 W/0 W/0 Group C W/0 W/0 w w D is s im ila r T opics Topic 1 Topic 3 D is s im ila r T opics Topic 1 Topic 3 Group B W/O W/0 W/0 W/0 Group D W /0 W/0 w w C o n tro ls P rovided A lthough th e arrangem ent o f assig n m e n ts and c o n d itio n s shown above p ro v id ed th e b a s ic d esig n n e c e ss a ry f o r t e s t i n g th e f o u r assum ptions i n ­ volved i n t h i s s tu d y , c e r t a i n p re c a u tio n s and c o n tr o ls were n e c e s s a ry to p re c lu d e th e i n t r u s i o n o f e x tra n e o u s f a c t o r s in to th e w r itin g s i t u a t i o n s 37 which would in v a lid a te th e f i n d i n g s . I t was c o n sid e re d a d v is a b le to s e l e c t groups o f s tu d e n ts whose sc h e d u le o f c la s s e s co rresp o n d ed w ith th e d esig n o f th e stu d y so t h a t th e n e c e s s a ry assig n m en ts co u ld be made w ith o u t c r e a tin g an a r t i f i c i a l s i t u a t i o n . C o n tro ls were p ro v id e d t o : l ) p re v e n t f a tig u e from c o u n te r a c tin g th e e f f e c t o f d i f f e r e n t to p ic s a s s ig n e d d u rin g th e same w r itin g p e r io d ,* 2) p ro v id e th e a p p r o p r ia te m o tiv a tio n f o r each w r itin g s i t u a t i o n , and 3) p ro v id e th e a p p r o p r ia te le n g th o f tim e betw een th e two w r itin g p e rio d s to p re v e n t undue d i s t o r t i o n from new le a r n in g e x p e rie n c e s o r from memory o f th e f i r s t w r i tin g e x p e rie n c e . S e le c tio n o f G roups. Through th e c o o p e ra tio n o f th e head o f th e W ritte n and Spoken E n g lis h d e p a rtm e n t, and two s t a f f members o f t h a t d e p a rtm e n t, fo u r groups o f s tu d e n ts were p ro v id ed f o r w r itin g th e a p p r o p r ia te number o f p a p e r s , and under th e a p p r o p r ia te c o n d itio n s , n e c e s s a ry f o r t h i s s tu d y . Each s t a f f member was te a c h in g two groups o f b e g in n in g s tu d e n ts i n th e c o u r s e . Both i n s t r u c t o r s met each o f t h e i r two groups on th e same d ay s, Tuesdays and T h u rsd ay s, f o r two h ours each d ay . Each group c o n ta in e d a s u f f i c i e n t number o f s tu d e n ts so t h a t , b a r r in g an u n u su a l o ccu rren ce o f a b s e n c e s, a minimum o f tw enty s tu d e n ts would be p r e s e n t on b o th days th e w ritin g assig n m en ts were to ta k e p la c e . T h u s, th e s e f o u r groups would p ro v id e e ig h ty s tu d e n ts , each o f whom would w r ite fo u r p a p e rs under th e c o n d itio n s d e s c rib e d a b o v e . S ince th e s tu d e n ts i n th e s e groups were i n th e h a b it o f w r itin g p a p e rs i n c l a s s d u rin g a tw o-hour la b o r a to r y , th e w r itin g assig n m en ts f o r t l i i s stu d y were made to c o in c id e w ith th o se la b o r a to r y p e r io d s —th u s p ro ­ v id in g f o r a minimum d e p a rtu re from th e norm al classro o m p ro c e d u re . 38 C o n tro l o f F a tig u e F a c t o r s : Having s tu d e n ts w r ite two p a p e rs d u rin g a tw o-hour p e r io d co u ld e a s i l y r e s u l t i n a c e r t a i n amount o f f a t i g u e d u rin g th e second h a l f o f t h a t p e r io d . Such f a t i g u e , i f i t o c c u rre d , m ight w ell b r in g a b o u t a lo w e rin g o f th e e f f ic ie n c y l e v e l o f th e s t u d e n t s , th e re b y lo w e rin g th e q u a l i t y o f th e w r itin g d u rin g th e second h o u r. T h u s, such f a t i g u e would in v a lid a te th e f in d in g s i n r e l a t i o n • to th e e f f e c t o f th e t o p ic s on th e q u a l i t y o f th e w r i tin g f o r t h a t p e r io d . To re d u c e th e p o s s i b i l i t y o f f a t i g u e , th e s tu d e n ts were i n s t r u c t e d to com plete th e f i r s t p a p e r d u rin g th e f i r s t hour and to ta k e a te n -m in u te b reak b e fo re s t a r t i n g th e second t o p i c . To p ro v id e a check on th e e f f e c t o f th e f a t i g u e f a c t o r , e v e ry o th e r s tu d e n t was in s t r u c t e d to w r ite on th e f i r s t to p ic d u rin g th e f i r s t hour and on th e second to p ic d u rin g th e second h o u r. The o th e r s tu d e n ts were in s t r u c t e d t o w r ite on th e second to p ic d u rin g th e f i r s t hour and on th e f i r s t to p ic d u rin g th e second h o u r. T h is p ro ced u re p ro v id e d a b a s is f o r d e te rm in in g w h eth er th e s tu d e n ts w r i tin g on a s p e c i f i c to p ic d u rin g th e f i r s t hour d id b e t t e r th a n th o s e w r i tin g on th e same to p ic d u rin g th e second h o u r. C o n tro l o f M o tiv a tio n F a c t o r s : Having a s tu d e n t w r ite a n e s s a y a s a p a r t o f an ex am in atio n wldlch i s t o d eterm in e h is grade f o r th e term i s u s u a lly c o n s id e re d a s a m o tiv a tin g f a c t o r , a s w e ll a s a p s y c h o lo g ic a l p r e s s u r e f a c t o r w hich may d is tu r b him . T h at i s , th e rew ard o f a good grade o r th e f e a r o f a p o o r grade w i l l u s u a lly s tim u la te th e s tu d e n t to t r y to do good w ork. On th e o th e r h an d , th e r o u tin e w r itin g assig n m e n t i n th e W ritte n 39 and Spoken E n g lis h co u rse a ls o i s a f a c t o r , a lth o u g h a minor o n e, i n d e term in in g th e s t u d e n t 's end term g ra d e . I n o rd e r to b e t t e r d eterm in e th e e f f e c t o f th e p s y c h o lo g ic a l p re s s u re o f th e e x a m in a tio n , i t was d ecid ed to e lim in a te th e grade f a c t o r (a s a p o s s ib le d is tu rb a n c e ) from th e w ritin g s i t u a t i o n on th e f i r s t day f o r a l l o f th e s tu d e n ts in v o lv e d , and t o e lim in a te th e grade f a c t o r on th e second day f o r th e n o n -p re ssu re s tu d e n ts , groups A and B, who se rv e d as th e con­ t r o l group i n r e l a t i o n to th e p r e s s u re f a c t o r . E lim in a tio n o f th e grade f a c t o r r a is e d a m o tiv a tio n problem f o r a l l o f th e s tu d e n ts on th e f i r s t d a y 's a s sig n m e n ts, and f o r th e n o n -p re ssu re s tu d e n ts on th e second d a y 's assig n m e n ts—s in c e i t was d e s ir a b le t h a t a l l s tu d e n ts sho u ld a tte m p t to w rite good q u a lity p a p e rs f o r a l l assig n m e n ts. I t was d ec id ed to r e p la c e th e grade f a c t o r w ith an e x p la n a tio n o f th e a s sig n m e n ts, in d ic a tin g how th e w r itin g assig n m en ts could be of v alu e to th e s t u d e n t s . On th e second day th e grade f a c t o r was in v o lv ed o n ly f o r th e p re s s u re s tu d e n ts , groups C and D. F or th o se s tu d e n ts on t h a t d ay , th e grade f a c t o r was i n t e n s i f i e d by p ro v id in g an exam ination s itu a tio n . In s tru c tio n s t The n o n -p re ssu re s tu d e n ts , groups A and B , re c e iv e d th e fo llo w in g in s t r u c t i o n s to p ro v id e th e n e c e ss a ry m o tiv a tio n i n p la c e o f th e grade f a c t o r on th e f i r s t day* I t i s b e lie v e d , a s a r e s u l t o f s e v e r a l s t u d i e s , t h a t i n o rd er f o r a s tu d e n t to have a f a i r o p p o rtu n ity t o d em onstrate h is w r itin g a b i l i t y , he sh o u ld w rite on two d i f f e r e n t to p ic s on th e same d ay . Your grade f o r th e term w ill n o t be a f f e c te d by th e p a p e rs you w r ite to d a y . However, yo u r p a p e rs w i l l be graded by a team o f r a t e r s . You w i l l be inform ed o f th e grade given y o u r p ap ers so t h a t you can compare th o se grades w ith th o se you have re c e iv e d on p re v io u s p a p e rs . A lso , th o se Uo grades sh o u ld give you a b e t t e r id e a o f your a c tu a l w r itin g a b i l i t y a t p r e s e n t th a n does a grad e on any s in g le p a p e r. On th e second d a y , th e n o n -p re s su re s tu d e n ts r e c e iv e d th e fo llo w in g e x p la n a tio n : As a r e s u l t o f s e v e r a l s t u d i e s , i t i s b e lie v e d t h a t i n o rd e r f o r a s tu d e n t to d em o n strate h is w r itin g a b i l i t y , he should w rite on two d i f f e r e n t to p ic s on th e same day and th e n r e p e a t th e p e r­ formance a few days l a t e r . Today you a re ask ed a g a in to w rite on th e same to p ic s a s s ig n e d a t th e l a s t w r itin g p e r io d . A gain your grade f o r th e term w i l l n o t be a f f e c t e d by th e grade you r e c e iv e on th e s e p a p e rs . However, your p ap e rs w i l l be graded by a team of r a t e r s to d is c o v e r w hether you can w rite b e t t e r on one to p ic th a n on a n o th e r , and w hether you can w rite b e t t e r on one day th a n on a n o t h e r . T h is in fo rm a tio n sh o u ld be v a lu a b le to you d u rin g your n e x t two term s o f work i n th e c o u r s e . The r e s u l t s o f th e g rad in g w i l l be p o s te d on th e b u l l e t i n board e a r l y n ex t te rm . For th e p re s s u re s t u d e n t s , groups C and D, th e e x p la n a tio n f o r th e f i r s t day*s assignm ent was th e same a s f o r th e n o n -p re ssu re s tu d e n ts . On th e second d ay , in o rd e r to p ro v id e th e exam ination p r e s s u r e , th e fo llo w ­ in g e x p la n a tio n was p la c e d i n th e assig n m e n t: D uring th e l a s t w r itin g p e rio d you w rote two themes which d id n o t a f f e c t your grade f o r th e te rm . As p ro m ise d , your p ap ers w i l l be graded by a team o f r a t e r s to d eterm in e w hether you w rote b e t t e r on one to p ic th a n on th e o th e r t o p i c . These r e s u l t s w i l l be p o s t­ ed on th e b u l l e t i n b o ard a s soon a s p o s s i b le . I t i s f e l t , how ever, t h a t a f t e r h av in g w r i tte n on a to p ic once you sh o u ld be a b le to do a b e t t e r jo b o f w r itin g i f g iven a n o th e r o p p o rtu n ity to w rite on th e same t o p i c . Today you a r e to w rite on th e same two to p ic s a g a in . S ince you have had a p r a c tic e p e rio d f o r w r itin g th e s e two p a p e r s , th e themes you w r ite to d a y w i l l be c o n s id e re d a s your f i n a l and b e s t e f f o r t . They w i l l be c o n s id e re d a s a p a r t o f your f i n a l ex am in atio n , and th e g rad es on th e s e two p ap ers w i l l be counted in w ith your sp eech grades and your f i n a l exam ination grade to make up your grade f o r th e te rm . (These e x p la n a tio n s were e f f e c t i v e to th e e x te n t t h a t s tu d e n ts began to in q u ire ab o u t th e r e s u l t s b e fo re th e y were p o s te d .) I t was f e l t t h a t th e above e x p la n a tio n s f o r th e n o n -p re ssu re s i t u ­ a tio n s would p ro v id e th e s tu d e n ts w ith a reaso n f o r co m p letin g th e ill a ssig n m e n ts, b u t t h a t such e x p la n a tio n s would p ro v id e a minimum of s tu d e n t concern ab o u t th e grades a s s ig n e d t h e i r p a p e r s . T hus, i f th e f i n a l exam inatio n p re s s u re has an ad v e rse e f f e c t on th e q u a lity o f s tu d e n t w r i tin g , t h a t e f f e c t sh o u ld be a p p a re n t from th e v a r ia tio n s i n th e q u a lity o f s tu d e n t w r itin g noted from day to day f o r th e p r e s s u r e s tu d e n ts in com parison w ith th o se n o ted from day to day f o r th e n o n -p re ssu re s tu d e n ts . C o n tro l o f th e tim e f a c t o r x The amount o f tim e e la p s in g betw een th e w r itin g o f th e f i r s t and second s e t o f p a p e rs on th e same to p ic s was co n sid e re d in r e l a t i o n to two problem s. F i r s t , i f th e tim e betw een th e w ritin g s i s to o s h o r t , th e s tu d e n ts may remember r a t h e r c l e a r l y how th e y w rote th e f i r s t p a p e r. As a r e s u l t , th e second p ap er on th e same to p ic may be m erely a second e d i tio n o f th e f i r s t paper w ith o u t a re -e x a m in a tio n of th e problem o f d ev elo p in g th e to p ic a s s ig n e d —w hich, o th e rw is e , would be n e c e ss a ry f o r th e w r itin g o f a new p ap er on th e same to p ic . On th e o th e r han d , i f too much tim e e la p s e s between th e w ritin g o f th e f i r s t and second p ap e r on th e same t o p i c , new le a r n in g ex p e rien ce s may w ell be th e cause f o r many o f th e d if f e r e n c e s which may be n o ted — in s te a d o f such d if f e r e n c e s bein g caused by v a r ia tio n s in e f f ic ie n c y . A compromise had to be made betw een th e s e two extrem es in o rd e r to redu ce to a minimum th e e f f e c t s o f memory and th e e f f e c t s o f new le a r n in g e x p e rie n c e s . S in ce th e s tu d e n ts were e n r o lle d in th e W ritte n and Spoken E n g lish c o u r s e , th e compromise had to fa v o r th e s h o r te r tim e . O th erw ise, th e e f f e c t o f new le a r n in g ex p e rien ce s m ight r e s u l t i n v a r ia tio n s in th e q u a l ity o f w r itin g f o r a c o n s id e ra b le number o f s tu d e n ts . T h u s, i t was c o n sid e re d a d v is a b le to sp ace th e two w ritin g p e rio d s w ith o u t any in te rv e n in g 1x2 w r i t i n g p e r i o d s f o r r e g u l a r c l a s s w o rk . su c h p e r i o d s was one w eek . The maximum tim e o etw een two T h e r e f o r e , i t was a r r a n g e d t o hav e t h e two s e t s o f p a p e r s on t h e same t o p i c s w r i t t e n d u r i n g t h e w r i t i n g l a b o r a t o r y p e r i o d s o f e a c h o f t h e l a s t two weeks o f t h e t e r m . T h is arrangem ent p r o v i d e d a n a t u r a l tim e t o i n t r o d u c e t h e f i n a l e x a m i n a t i o n s i t u a t i o n i n t o t h e w r i t i n g a s s i g n m e n t f o r t h e p r e s s u r e s t u d e n t s on t h e se c o n d d a y . Summary. The d e s i g n f o r t h i s s t u d y c o n s i s t e d o f h a v i n g f o u r g ro u p s o f s t u d e n t s w r i t e two p a p e r s d u r i n g a s i n g l e w r i t i n g p e r i o d on e a c h o f two days. T h ese f o u r g ro u p s w ere g i v e n s p e c i f i c a s s i g n m e n t s u n d e r t h e a p p r o ­ p r i a t e c o n d i t i o n s t o p r o v i d e a o a s i s f o r t e s t i n g t h e f o u r a s s u m p tio n s w h ich a r e t h e c o n c e r n o f t l i i s s t u d y . Groups A and B w ro te on s i m i l a r and d i s s i m i l a r t o p i c s , r e s p e c t i v e l y , u n d e r t h e same c o n d i t i o n s on e a c h o f two d i f f e r e n t d a y s — t h u s p r o v i d i n g a o a s i s f o r t e s t i n g t h e e f f e c t o f t o p i c s and t h e e f f e c t o f v a r i a t i o n s i n e f f i c i e n c y fro m d a y t o d ay on t h e q u a l i t y o f s t u d e n t w r i t i n g , a s w e l l a s p r o v i d i n g a c o n t r o l group i n r e l a t i o n t o t e s t i n g t h e p r e s s u r e f a c t o r . Groups C and D a l s o w r o te on s i m i l a r a n d d i s s i m i l a r t o p i c s , r e ­ s p e c t i v e l y , on e a c h o f two d i f f e r e n t d a y s — w i t h t h e e x a m i n a t i o n s i t u a t i o n on t h e se c o n d d a y p r o v i d i n g t h e v a r i a b l e t o b e t e s t e d i n r e l a t i o n t o i t s e f f e c t on t h e q u a l i t y o f s t u d e n t w r i t i n g . I n a d d i t i o n , c o n t r o l s were p r o v i d e d , i n s o f a r a s p o s s i b l e , t o i s o l a t e th e v a r i a b l e s b e in g t e s t e d . T h ese c o n t r o l s w ere c o n c e r n e d , p r i m a r i l y , w i t h p r o v i d i n g g ro u p s w h ich c o u ld w r i t e -under u n if o r m c o n d i t i o n s , p r o v i d ­ i n g a n e q u a l amount o f tim e f o r w r i t i n g e a c h p a p e r , p r o v i d i n g u n ifo rm h3 m o tiv a tio n when th e p re s s u re f a c t o r was a b s e n t, and p ro v id in g c o n tro ls to reduce to a minimum th e e f f e c t s o f f a t i g u e , o f memory, and o f new le a r n in g e x p e rie n c e s . CHAPTER IV METHOD FOR EVALUATING THE QUALITY OF STUDENT WRITING As e x p la in e d in th e p re c e d in g c h a p te r , assig n m en ts and c o n d itio n s were p ro v id e d f o r i s o l a t i n g th e v a r ia b le in each assum ption to be t e s t e d . Y e t, in th e f i n a l a n a l y s i s , th o s e assum ptions co uld n o t be t e s t e d u n le s s th e e r r o r i n e v a lu a tin g th e q u a l ity o f w r itin g was l e s s th a n th e v a r ia tio n s in th e q u a l ity of w r itin g from to p ic to to p ic and from tim e to tim e . T h e re fo re , o b ta in in g r e l i a b l e and v a l id r a tin g s o f th e p a p e rs in v o lv ed in t l d s stu d y was c o n s id e re d a c r u c i a l f a c t o r in s u c c e s s f u lly t e s t i n g th e fo u r a s su m p tio n s . In o rd e r to o b ta in th e most v a lid and r e l i a b l e r a tin g s p o s s i b l e , i t was c o n sid e re d im p o rta n t to s e l e c t th e b e s t a v a ila b le method f o r r a t i n g th em es, to d eterm in e wliat p ro ced u res have been most s u c c e s s fu l in u sin g t h a t m ethod, and to e s t a b l i s h c o n tro ls c o n s is te n t w ith th e assum ptions b e in g t e s t e d . S e le c tin g th e R a tin g Method I n o rd e r to d eterm in e w hether th e theme r a t i n g method employed by th e W ritte n and Spoken E n g lish D epartm ent d u rin g o th e r m ethod, th e sh o u ld be used f o r t h i s s tu d y , th e tu r e on theme r a t i n g methods was rev iew ed . p a s t sev en y e a r s , o r some p e r t i n e n t re s e a rc h l i t e r a ­ U5 W ritin g s c a l e s : S h o r tly a f t e r th e tu r n o f th e c e n tu ry , c o n s id e ra b le a t t e n t i o n was d ev oted to th e developm ent o f w r itin g s c a le s in o rd e r to improve th e r e l i a b i l i t y o f r a t i n g E n g lish co m p o sitio n s. H ille g a s ^ was th e f i r s t to a tte m p t a s c i e n t i f i c developm ent o f a w r itin g s c a l e , which was to p ro v id e f o r a c c u ra te com parisons between th e q u a lity o f w r itin g a t th e same sch o o l a t d i f f e r e n t tim es o r a t d i f f e r e n t sch o o ls a t th e same tim e . In th e developm ent o f th e s c a l e , no a tte m p t was made to d e f in e d i f f e r e n t q u a l i t i e s o f w r i t i n g . M e rit was a term used to in d ic a te t h a t q u a lity wliich com petent judges a g re e d upon. The th e o ry su b m itte d as th e b a s is f o r d ev elo p in g th e s c a le was t h a t : •'D ifferen c es tii a t a re e q u a lly o f te n n o tic e d a r e e q u a l, u n le s s th e d i f f e r ences a r e e i t h e r alw ays o r never n o tic e d .” 2 The u n i t i n t h i s s c a le was d e fin e d a s t h a t d if f e r e n c e wliich e x a c tly s e v e n ty - fiv e p e r c e n t o f th e judges a r e a b le to d i s t i n g u i s h . A ll t h a t was re q u ire d to d e riv e t h a t u n it was a s e t o f sam ples t h a t v a rie d from each o th e r by sm all d eg ree s of q u a lity . When two sam ples were found on w hich s e v e n ty -fiv e p e r c e n t o f th e judges ag reed i n c a l l i n g one b e t t e r th a n th e o th e r , th e d if f e r e n c e 3 between th e two sam ples was one u n it in th e s c a l e . T rabue worked o u t two supplem ents to th e H ille g a s s c a le in o rd er t o : l ) sup p ly a need f o r a supplem entary s c a le composed o f com p o sitio n s o f th e same g e n e ra l ty p e a s th o se w r i tte n by h assau County p u p i l s , and 1 . Milo B. H ille g a s , "S c a le f o r th e Measurement o f Q u a lity in E n g lish C om position by Young P e o p le ,” T eachers C o lleg e R eco rd , v o l. 13 (Septem ber 1 9 1 2 ), p . 339. 2 . I b i d . , p . 3hh. 3 . I b i d . , P . 31*7. it6 2) supply some t e n t a t i v e s ta n d a rd s in d ic a t in g th e q u a lity o f E n g lish com positions to be ex p e c te d from th e p u p ils o f any given sch o o l grade These s ta te m e n ts su g g e st t h a t co m p o sitio n s must be judged in r e l a t i o n to th e ty p e o f w r itin g in v o lv e d . Y et H ille g a s , i n answer to an o b je c tio n r a is e d r e l a t i v e to com paring n a r r a tiv e and d e s c r ip tiv e w r i tin g , s ta te d m erely t h a t th e ju d g es in v o lv e d had n o t o ffe re d any such o b je c tio n s .^ S ince th e sam ple co m p o sitio n s used i n c o n s tru c tin g th e H ille g a s and Trabue s c a le s were c o m p a ra tiv e ly s h o r t (from ap p ro x im ately $0 to 250 words in l e n g t h ) , i t seems d o u b tfu l t h a t judgm ents were made r e l a t i v e to any a s p e c t o f w r itin g o th e r th a n form—t h a t judgments co u ld have b een made r e l a t i v e to s u p p o rtin g m a te r ia ls o r to th e o r g a n iz a tio n o f them . Lyman concludes th a t* " O b je c tiv e and s p e c i f i c c a te g o r ie s o f e x c e lle n c e a re g e n e ra lly in a d e q u a te i n co m p o sitio n s c a l e s ." ^ A ls o , s tu d ie s by Dblch^ and Leonard^ in d ic a te t h a t th e r e i s l i t t l e o r no c o r r e la tio n o f e x c e lle n c e between th e c o n te n t, th e o r g a n iz a tio n , and th e m echanics o f a co m p osition— t h a t such c h a r a c t e r i s t i c s should be e v a lu a te d s e p a r a te ly . Inasmuch a s th e W ritte n and Spoken E n g lish co u rse p la c e s a s much em phasis on th e u se o f r e le v a n t su p p o rtin g m a te r ia ls and th e o r g a n iz a tio n It. M. R. T rab u e, "S upplem enting th e H ille g a s S c a le ," Teacliers C o lleg e R e co rd , v o l. 18, 1917, P . £1 . 5 . H ille g a s , ojo. c i t . , p . 38U. 6 . R. L . Lyman, " I n v e s t ig a ti o n s in th e F ie ld o f W ritte n C o m p o sitio n s," Summary o f I n v e s tig a tio n s R e la tin g to Grammar. Language. and C o m p o sitio n s, U n iv e rs ity o f C h icag o , 192 9 , p . 195. 7 . E . W. D olch, J r . , "More A ccu rate Use o f C om position S c a le s ," E n g lish J o u r n a l. v o l. 11 (November 1 9 2 2 ), p p . 536-lUi. 8 . S . A . L eonard, " B u ild in g a S cale o f P u re ly C om position Q u a lity ," E n g lish J o u r n a l, v o l. ll* (December 1 9 2 5 ), PP. 780-75. of them as on w r itin g fo rm , any r a t i n g method which f a i l s to e v a lu a te such c h a r a c t e r i s t i c s would be u n s u ita b le f o r e v a lu a tin g th e p ap e rs w r itte n f o r t h i s s tu d y . A lso , a s T h u rsto n e^ has d e m o n stra te d , th e th e o ry on which th e H ille g a s s c a le and th e Trabue supplem ents a re based i s l i k e l y to be f a l s e when a p p lie d to specim ens o f E n g lish co m p o sitio n s—t h a t when we have com­ p le x , o v e rla p p in g s tim u li in v o lv e d , we can n o t ex p ect d if f e r e n c e s wliich are e q u a lly o f te n n o tic e d to be e q u a l. T hus, i t seems d o u b tfu l t h a t e i t h e r th e H ille g a s o r th e Trabue s c a le c o n ta in s u n i t s ap p ro ach in g e q u a lity —as has been cla im e d . In f a c t , such in e q u a li ty o f u n i t s seems to have been su p p o rted by Trabue*s o b se rv a­ tio n o f judgm ents c o n c ern in g two co m p o sitio n s which p r e v io u s ly had been eq u a ted . He s t a t e d t h a t "Such la r g e d if f e r e n c e s in th e form o f s u rfa c e s o f d i s t r i b u t i o n s o f judgm ents were c e r t a i n l y u n e x p e c te d . They te n d to make one c r i t i c a l o f th e assum ption t h a t th e v a r i a b i l i t y o f ju d g n en t on one com positio n i s e q u a l to th e v a r i a b i l i t y on any o th e r . H eith er H ille g a s nor Trabue r e p o r te d any r e l i a b i l i t y s tu d ie s on th e use o f t h e i r s c a le s by two o r more p e o p le on th e same s e t o f co m p o sitio n s. D a rsie r e p o r te d a c o r r e l a t i o n o f .88 betw een two s e t s o f r a t i n g s from th e use o f th e W illin g s c a l e A c c o r d i n g to Lyman, th e evidence i s about 9 . L . L . T h u rs to n e , "E q u a lly O ften N o ticed D iffe re n c e s ," J o u rn a l of E d u c a tio n a l P sy ch o lo g y , v o l. 18 (May 1 9 2 7 ), p p . 292-93. 1 0 . T rab u e, 0£ . c i t . , p . $1. 1 1 . M. L . D a r s ie , "The R e l i a b i l i t y o f Judgments Based on th e W illin g C om position S c a le ," Jo u rn a l o f E d u c a tio n a l R e se a rc h , v o l. 5 (Jan u ary 1 9 2 2 ), p p . 89-90. 1*8 e q u a lly d iv id e d a s t o w hether th e use o f com position s c a le s i s e f f e c t iv e in re d u c in g th e d i s p a r i t y o f te a c h e r ’s m arks. He does s t a t e , how ever, t h a t e x te n siv e t r a i n i n g i n th e use o f su ch s c a le s i s e f f e c t iv e i n t h a t d ire c tio n . TO S o rtin g m ethods* In a s e r i e s o f s tu d ie s conducted in th e e a r ly 1930*s , Sims a ttem p ted to improve th e r e l i a b i l i t y o f theme r a t i n g s by h av in g th e re a d e rs s o r t th e p ap e rs in to f i v e s ta c k s ac c o rd in g to c e r t a i n s ta n d a rd s . U t i l i z i n g t h i s m ethod, he o b ta in e d r a t i n g s w ith a c o e f f i c i e n t o f c o n tin g ­ ency o f .7 7 , wliich he i n t e r p r e t e d a s an e s tim a tio n o f th e r e l i a b i l i t y o f th e s e r a t i n g s . Sims a ls o used th e same p ro ced u re f o r r a t i n g essay exam inations* r a t i n g by s o r tin g th e d is c u s s io n q u e s tio n s , one a t a tim e , in to f iv e d i f ­ f e r e n t s ta c k s ac c o rd in g to c e r t a i n s ta n d a r d s . A gain he o b ta in ed a r e ­ lia b ility of .7 7 .^ P ercen tag e b a s i s * Sims th e n t r i e d a n o th e r a p p ro ac h , which c o n s is te d o f having th e re a d e rs mark th e p a p e rs on a p e rc e n ta g e b a s i s —w ith a maximum sco re o f 100 as a b a s is f o r m a rk in g . He th e n d eterm ined l e t t e r grades by u sin g th e mean and s ta n d a rd d e v ia tio n f o r d ete rm in in g th e d iv is io n s betw een 12. Lyman, 0£ . c i t . , p . 196. 1 3 . V erner M. Sim s, ’’The O b je c tiv i ty , R e l i a b i l i t y , and V a lid ity o f an Essay Exam ination Graded by R a tin g ,” J o u rn a l o f E d u c a tio n a l R e se a rc h , v o l . 2k (O ctober 1 9 3 1 ), PP . 216-23. 1U. V erner M. Sim s, "Reducing th e V a r i a b i l i t y o f Essay Exam ination Marks Through E lim in a tin g V a ria tio n s i n S tan d ard o f G rad in g ," Jo u rn al o f E d u c a tio n a l R e sea rc h , v o l. 26 (May 1 9 3 3 ), PP. 637-1*7. 1*9 g ra d e s . He concluded t h a t t h i s p ro ced u re was e f f e c t iv e in red u cin g v a r ia tio n s caused by d i f f e r e n t s ta n d a r d s , b u t d id n o t draw any c o n c lu sio n s re g a rd in g th e r e l a t i v e m e rits o f th e two system s he had em ployed.1^ Use o f s ta n d a r d s ! S ta ln a k e r used s t i l l an o th e r ap p ro ach . Over a p e rio d o f fo u r y e a r s , a tte m p ts were made to re a c h agreem ent on s ta n d a r d s . r a t e r co n tin u e d to mark p ap ers by a s s ig n in g l e t t e r g ra d e s . fo u r y e a r s , th e r e l i a b i l i t y o f th e r a t i n g s was o n ly .5 5 . Each At th e end o f He concluded t h a t , in o rd er to improve th e r e l i a b i l i t y o f theme r a t i n g s , c e r t a i n ch a r­ a c t e r i s t i c s sh o u ld be a g ree d upon by th e te a c h in g p r o f e s s io n . Then each c h a r a c t e r i s t i c should be r a t e d s e p a r a te ly on th e b a s is o f f iv e p o in ts — 5 to 0 . He su g g e ste d such c l i a r a c t e r i s t i c s a s o r g a n iz a tio n , c o h e re n c e , and m echanical p e r f e c t i o n s , w ith more to be added. H ating c l i a r a c t e r i s t i c s : S ta ln a k e r 's s u g g e stio n has been u t i l i z e d to a c o n s id e ra b le e x te n t in r e c e n t y e a r s . As e a r ly as 1917, S a c k e tt re p o rte d th e use o f a sc o re card i n a stu d y com paring d i f f e r e n t methods o f r a t i n g c o m p o sitio n s. H is sc o re c a rd c o n s is te d o f th r e e m ajor c a te g o r ie s , each having th r e e s u b - d iv is i o n s . The t o t a l p o s s ib le p o in ts f o r each c a te g o ry i s shown below* C o rre c tn e s s —30 S p e llin g and c a p i t a l i z a t i o n — P arag rap h in g — P u n c tu a tio n — 15 8 7 15. V erner M. Sim s, "Im proving th e M easuring Q u a litie s o f an Essay Exami­ n a tio n ," J o u rn a l o f E d u c a tio n a l R e se a rc h , v o l. 27 (September 1933), p p . 20-31” 16. JohnM . S ta ln a k e r , "Q u estio n IV, The E ssay ," E n g lish Jo u rn a l (C ollege E d iti o n ) , v o l. 26 (F e b ru a ry 1 9 3 7 ), PP. 133-^0. 5o S entence S tr u c tu r e —20 S yntax— S im p lic ity — D ic tio n — T hought-C ontent— 50 O rig in a lity — U n ity — C oherence— 10 7 3 25 15 10 S a c k e tt e v a lu a te d fo u r methods o f g ra d in g co m p o sitio n s: te a c h e r fs judgm ent, th e H ille g a s s c a l e , th e B a llo u n a r r a tio n s c a l e , and th e sco re c a rd . He found th e s c o re ca rd to be somewhat s u p e rio r to th e o th e r th r e e m ethods. 17' A nderson and T r a x le r , u sin g a s im ila r r a t i n g m ethod, o b ta in e d r e l i ­ a b i l i t i e s ra n g in g from .56 to ,9h. in t h e i r r a t i n g c a rd : They used e ig h t s e p a ra te c a te g o r ie s A ccuracy, 6; C o m p leten ess, 6; S p e llin g , 6; Punctu­ a t i o n , 6; Language e r r o r s , 6; Coherence betw een main d i v i s i o n s , 10; 16 O rg a n iz a tio n o f p a ra g ra p h s , 10; and O rg a n iz a tio n o f s e n te n c e s , 1 0 , D ie a e ric h re p o r te d a stu d y com paring th e r e l i a b i l i t y o f th e r a t i n g method d e s c rib e d above (which he c a l l s th e a to m is tic method) w ith th e r a t i n g o f themes by a s s ig n in g a s in g le sc o re to each p a p e r—based on a te n p o in t s c a le (wiiich he c a l l s th e w h o lis tic m eth o d ). He found th e a to m is tic method more r e l i a b l e , b u t more tim e-consum ing, th a n th e w h o lis tic m ethod. He su g g e sts t h a t th e w h o lis tic approach m ight become a s r e l i a b l e were as 19 much tim e devoted to th e r a t i n g o f each p a p e r . 17. Leroy W. S a c k e tt, “Comparable M easures o f C o m p o sitio n ," S o c ie ty , v o l. 5 (P'ebruary 1 9 1 7 ), p p . 233-39. School and 1 6 . H. A. A nderson, and A. E. T r a x le r , "The R e l i a b i l i t y o f th e Reading o f an E n g lish E ssay T e s t," School Review , v o l. U8, 19li0, p p . 521-30. 1 9 . P a u l B . D ie d e ric h , "Readers* Methods S c r u tin iz e d i n E n g lish E ssay S c o rin g ," E d u c a tio n a l T e s tin g S erv ice D evelopm ents, No. 1 (O ctober 1 9 5 1 ), P . 2 51 G erb er, a f t e r u s in g th e a to m is tic method for* r a t i n g b o th themes and s p e e c h e s, recommended th e fo llo w in g c h a r a c t e r i s t i c s f o r th e r a t i n g o f speeches and them est p u rp o s e , c o n te n t, o r g a n iz a tio n , la n g u a g e , and OA p r e s e n ta tio n ( s p e c ia l problem s o f o r a l or w r i t t e n d e l i v e r y ) . F or th e p a s t seven y e a r s , th e a to m is tic ap p ro ach has been used f o r th e r a t i n g o f com prehensive ex am ination themes o f s tu d e n ts com pleting t h e i r work i n th e W ritte n and Spoken E n g lish co u rse a t M ichigan S ta te * C o lle g e . D uring tlia t tim e a r a t i n g fo rm , s im ila r to t h a t d e s c rib e d by G erb er, has been used wliich c o n s is ts o f f iv e c a te g o r ie s . Each c a te g o ry i s r a te d on a te n - p o in t s c a l e , a s shown b elo w , (See A ppendix A f o r d e f i n i t i o n o f each c a te g o r y ) : TH£ME HATING SCALE i*ame a n d /o r number______________________ Date_______________ S u p e rio r U n s a tis fa c to ry 10 9 8 7 6 5 ^ 3 2 1 " C onventions o f Grammar______________________________________________________ Sentence S tru c tu r e __________________________________________________________ D ic tio n ______________________________________________________________________ O rg a n iz a tio n ________________________________________________________________ C ontent______________________________________________________________________ H ater__________________ T o ta l_________________ In a r e l i a b i l i t y stu d y o f te n p a i r s o f r a t e r s u s in g th e form shown above, th e p r e s e n t w r i t e r found r e l i a b i l i t i e s ra n g in g from .36 to ,9 b ‘, two p a i r s o f r a t e r s had r e l i a b i l i t i e s above .9 0 . T hus, i t ap p ears t h a t , i f th e theme r a t e r s a r e p ro p e rly s e le c te d and t r a i n e d , th e sc o re ca rd o r r a t i n g form p ro v id e s a method f o r r a t i n g themes wliich i s as r e l i a b l e as any method y e t r e p o r te d . 20. John C. G erber, “T e s tin g and E v a lu a tio n i n th e S k i l l s o f Communication,11 C o lleg e E n g lis h , v o l. 9 (A p ril 1 9 ^ 8 ), p p . 375-8U. 52 I t sho u ld be n o te d , how ever, t h a t t h i s method i s s u b je c t to one o f th e same c r i t i c i s m s made i n r e l a t i o n to th e H ille g a s and Trabue w ritin g s c a le s . T hat i s , th e r e i s no assu ra n c e t h a t t h i s method o f r a t i n g E n g lish com positions p ro d u ces sc o re s c o n s is tin g o f eq u al u n i t s . T hus, s t a t i s t i c a l tre a tm e n t o f s c o re s o b ta in e d i n such a manner may be open to q u e s tio n . A nother p o s s ib le w eakness o f th e r a t i n g method used by th e W ritte n and Spoken E n g lish d ep artm en t was in d ic a te d in a stu d y by S t a r r i n g . H is stu d y concerned th e a c t u a l u se o f th e r a t i n g form by s t a f f members when c e r t a i n elem en ts in th e themes had b een w eakened. He had f iv e s e ts o f themes r a t e d , and th e n weakened a d i f f e r e n t elem ent in each s e t o f them es. S ta r r in g d isc o v e re d t h a t , when th e weakened themes were r a te d a g a in , th e r a t e r s d id n o t make a d i s t i n c t i o n betw een weakness in se n te n c e s tr u c t u r e and weakness i n co n v e n tio n s o f grammar; nor d id th e y make a d i s t i n c t i o n between w eakness in c o n te n t and weakness in o r g a n iz a tio n . I n o th e r w ords, alth o u g h th e r a t i n g form i s a l i s t o f f iv e c a te g o r ie s to be re g a rd e d as d is c r e te and o f eq u al w e ig h t, i t was n o t so re g a rd e d by th e r a t e r s . In a c tu a l p r a c t i c e , th e r a t e r s sco red th e themes on th r e e c a te g o r ie s : l) a com bination o f c o n v e n tio n s o f grammar and se n ten c e s t r u c t u r e , 2) d i c t i o n , and 3) a com b in atio n o f o r g a n iz a tio n and c o n te n t. 21 These f in d in g s a re v a l i d , p e rh a p s , o n ly f o r th e r a t e r s used in S t a r r i n g 's s tu d y , o r f o r a s im ila r group o f r a t e r s . I t should be noted t h a t S ta r r in g had tw e n ty -fo u r members o f th e W ritte n and Spoken E n g lish D epartm ent r a t e th e p ap ers used in h is s tu d y . No a n a ly s is was made to 21. R obert W. S t a r r i n g , A Study o f R a tin g s o f Comprehensive Exam ination Themes When C e rta in E lem ents Are Weakened ^U npublished Ed. D. T h e s is ) , M ichigan S ta te C o lle g e , A ugust 19*>2, pp.~10li-105. 53 d isc o v e r w hether any o f th e r a t e r s d e p a rte d from th e p a t te r n s noted f o r th e group o f r a t e r s em ployed. The f in d in g s o f Dolch and Leonard (re p o rte d e a r l i e r ) t h a t th e r e i s l i t t l e c o r r e l a t i o n i n e x c e lle n c e betw een th e o rg a n iz a tio n and th e c o n te n t of p a p e rs in d ic a t e t h a t such elem ents can be d is tin g u is h e d by r a t e r s in r e l a t i o n to d if f e r e n c e s i n e x c e lle n c e . T hus, i f a c c u r a te e v a lu a tio n s o f s tu d e n t w r itin g a r e to be made in r e l a t i o n to th e s e p a r a te elem ents d e s ig n a te d on a r a t i n g fo rm , i t would seem im p o rta n t to have th e r a t e r s c a r e f u l ly s e le c te d and tr a in e d f o r t h a t p u rp o s e . S in ce i t lias been d em onstrated t h a t th e r a t i n g method employed by th e W ritte n and Spoken uinglish D epartm ent can produce h ig h ly r e l i a b l e r a tin g s when p ro p e r p re c a u tio n s a re ta k e n , and sin c e th e r a t i n g form employed by t h a t dep artm en t was d esig n ed f o r e v a lu a tin g th e o b je c tiv e s o f t h a t c o u rs e , th a t method and t h a t form seemed to p ro v id e th e b e s t a v a ila b le means f o r e v a lu a tin g th e p ap e rs in v o lv ed i n t h i s s tu d y . O b tain in g R e lia b le R atin g s In o rd e r to in s u re th e a p p ro p ria te use o f th e r a t i n g method and th e r a t i n g form s e l e c t e d , i t was co n sid ered im p o rtan t to determ in e th e number and ty p e s o f r a t e r s needed f o r th a t p u rp o se , and to use th e most v a lid method f o r d e te rm in in g th e sc o re f o r each p a p e r. D eterm ining number o f r a t e r s : Gerber 99 and D ie d e ric h 23^ b o th ag ree t h a t , 22. G erber, 0£ . c i t . , p p . 375-8U. 23. D ie d e ric h , "The Measurement o f S k i l l in W riting,'* 0£ . c i t . , p p . 585-92. $h in o rd e r to o b ta in th e b e s t e v a lu a tio n o f a them e, two r a t e r s sh o u ld be employed and t h a t th e av erag e o f t h e i r r a t i n g s should be u se d . F u rth e r ­ m ore, when th e d i s p a r i t y betw een th e two r a t e r s i s e x c e s s iv e , a t h i r d r a t e r should be em ployed. I f th e t h i r d r a t e r a g re e s w ith one o f th e f i r s t two r a t e r s , th e av e ra g e o f th o s e two r a t i n g s i s u sed . I f th e r e i s no c lo se agreem ent betw een any two o f th e tlire e r a t i n g s , th e av erag e o f th e tlire e r a t i n g s sh o u ld be u se d . T h is pro ced u re has been fo llo w ed f o r th e r a t i n g o f com prehensive exam ination themes a t th e co m p letio n o f th e W ritte n and Spoken E n g lish course a t M icliigan S ta te C o lleg e f o r th e p a s t seven y e a r s . I t has been th e p r a c t ic e a t t h i s i n s t i t u t i o n to use a t l i i r d r a t e r when th e d i s p a r i t y between th e f i r s t two r a t i n g s was in ex cess o f f iv e p o in ts on th e t o t a l sc o re —th e maximum o f wliich i s £0 p o in ts f o r each r a t i n g . S e le c tin g r a t e r s t D ie d e ric h p o in ts out t h a t to o b ta in s i g n i f i c a n t d i f ­ fe re n c e s , when e v a lu a tin g s tu d e n t improvement in w r itin g , o n ly th e most s e n s itiv e and r e l i a b l e r a t e r s sh o u ld be u s e d .2^ Follow ing t h i s s u g g e s tio n , th e re c o rd s o f r a t i n g s by more th a n f o r t y s t a f f members o f th e D epartm ent o f W ritte n and Spoken E n g lish were exam ined. Nine r a t e r s were s e le c te d who ap p eared to have d em o n strated a h ig h d eg ree o f s e n s itiv e n e s s and r e ­ lia b ility . T h e ir av erag e r a t i n g s were ab o u t th e same and th e d i s t r i b u t i o n s o f t h e i r r a tin g s were f a i r l y uniform —tli a t i s , th e r a tin g s of each s t a f f member formed a d i s t r i b u t i o n ap p ro ach in g th e normal c u rv e . 2h. I b i d . 55 From th e s e n in e r a t e r s i t was p o s s ib le to o b ta in th r e e who were w illin g and a b le t o d ev o te th e tim e n e c e s s a ry to com plete th e ta s k o f r a tin g each o f th e 320 p a p e rs in v o lv e d d u rin g tlie p e rio d , betw een F a l l te rm , 1951, and W in ter te rm , 1952. T h u s, in s te a d o f h av in g t o c a l l in a t h i r d r a t e r when th e r e was a d i s p a r i t y between th e f i r s t two r a t e r s , th r e e r a t e r s judged each o f th e 320 p a p e rs j a l l th r e e r a t e r s were r a t i n g th e same p ap ers a t th e same tim e and under th e same e x te r n a l c o n d i tio n s . Such a p ro ced u re sh o u ld p ro v id e f o r more v a lid and r e l i a b l e r a t i n g s th a n would o th e rw ise be p o s s i b l e . D eterm ining s c o r e s > A lthough n o t custom ary f o r th e r a t i n g o f th e m es, th e use o f tlire e r a t e r s a t a tim e has been th e custom ary procedure f o r r a t i n g th e com prehensive ex am in atio n speeches in th e W ritte n and Spoken E n g lish course . I t has been th e p r a c t ic e to u t i l i z e th e r a t i n g s o f th e two o f th e tlire e r a t e r s who were in c l o s e s t ag reem en t. Two ex c e p tio n s to t h i s r u le have been p e r m itte d . When no two of th e tlire e r a t e r s had a r r iv e d a t r a tin g s w ith in f iv e p o in ts o f each o th e r , th e average o f a l l tlire e o f th e r a tin g s were u s e d . A ls o , when th e d if f e r e n c e s among th e r a tin g s were eq u a l (su ch a s 2 2 , 2h, and 2 6 ) , th e av erag e of a l l tlire e r a tin g s was u se d . I t lias been th e con sen su s o f th e hO to 50 s t a f f members in v o lv ed i n th e above p ro ced u re t h a t such a p r a c tic e i s v a l i d . Almost in v a r ia b ly th e r a t e r who has v a rie d c o n s id e ra b ly from th e o th e r two r a t e r s has reco g n ized t h a t some d i s t r a c t i v e f a c t o r caused him to r a t e too high o r to o low . S ince th e s e r e a c tio n s a r e by s t a f f members who have a h ig h se n se o f r e ­ s p o n s i b i l i t y t o th e s tu d e n t whose grade i s b e in g determ ined f o r th re e term s of h is w ork, th e r e i s good re a s o n to b e lie v e t h a t th e d i s t r a c t i o n s p o in te d o u t, in most c a s e s , were r e a l and t h a t th e r a t i n g s by th e o th e r r a t e r s were v a l i d . The p ro ced u re d e s c rib e d above has r e s u l t e d i n ag reem en t, w ith in f iv e p o i n t s , by two o f th e tlire e r a t e r s f o r 9b p e r c e n t o f th e speeches r a t e d . The re c o rd on th e r a t i n g o f themes has been ab o u t th e sam e. T h is procedure i s fu n d am e n tally th e same a s th e one u sed f o r th e r a t i n g o f com prehensive exam ination th e m es, and th e same a s t h a t recommended by D ie d e ric h . Under t h i s sy stem , how ever, th e t h i r d r a t e r does n o t have to be c a lle d i n when a d isc re p a n c y o c c u rs . H is r a t i n g has a lre a d y been made and i s a v a ila b le f o r t a b u la t io n and use a lo n g w ith th e r a t i n g s o f th e o th e r two r a t e r s . C o n tro l o f F a c to rs A ffe c tin g R a te rs S f f e c t o f v a r ia tio n s in th e e f f ic ie n c y l e v e l o f r a t e r s . Since t h i s stu d y i s concerned w ith th e assum ption t h a t th e e f f ic ie n c y le v e l of th e w rite r v a r ie s s i g n i f i c a n t l y from day to d ay , a sa fe g u a rd sh o u ld be p ro v id ed a g a in s t th e p o s s i b i l i t y o f a v a r ia tio n in th e e f f ic ie n c y le v e l o f th e r a t e r s from day to d ay . To p ro v id e such a s a fe g u a rd , tlire e r a t e r s were employed to re a d each o f th e 320 p ap e rs in v o lv e d ; and a l l tlire e were to r a t e th e same papers a t ab o u t th e same tim e . T hat i s , each p ap e r was r a te d by R a ter 1 , who passed i t on to R a te r 2 , who, in t u r n , p assed i t on to R a te r 3 . In a d d i­ t i o n , th e p ap ers were so o rg an iz ed t h a t a l l fo u r p a p e rs by each s tu d e n t were r a te d d u rin g th e same r a t i n g p e r io d . 57 E f f e c t o f a c c id e n ta l c o n te n t f a c t o r s on r a t e r s . S ince tli is stu d y i s concerned w ith th e assum ption t h a t a c c id e n ta l c o n te n t f a c t o r s ( th e to p ic s ) p ro v id e a so u rc e o f v a r ia tio n in th e w r i tin g p r o f ic ie n c y of s tu d e n ts , th e stu d y should p ro v id e a sa fe g u a rd a g a in s t th e e f f e c t o f a c c id e n ta l c o n te n t f a c t o r s on th e q u a lity (th e r e l i a b i l i t y ) o f th e r a t e r s ' work. I f , fo r exam ple, a l l o f th e p ap e rs on one to p ic were r a te d on one day and a l l o f th e p ap ers on a n o th e r to p ic were r a te d on a n o th e r d ay , th e re would be no way o f d e term in in g w hether th e observed d if f e r e n c e s were due to v a r ia tio n s in th e e f f ic ie n c y le v e l o f th e s tu d e n ts o r o f th e r a t e r s , o r due to th e e f f e c t o f a c c id e n ta l c o n te n t f a c t o r s on th e r a t e r s —o r a com bination o f a l l o f th e se f a c t o r s . A p a r t i a l sa fe g u a rd f o r t l i i s problem was p ro v id ed by having a l l o f th e p a p e rs oy each s tu d e n t r a te d on th e same day by a l l tlire e o f th e r a t e r s — sin c e each s tu d e n t w rote on two d i f f e r e n t to p ic s . H alf o f th e s tu d e n ts , how ever, had a t l i i r a to p ic f o r t h e i r second p a p e r. To p ro v id e a sa fe g u a rd a g a in s t th e danger o f h aving th e e f f e c t o f a c c id e n ta l c o n te n t f a c t o r s o f t l i i s to p ic combined w ith v a r ia tio n s i n e f f ic ie n c y le v e l ( o f th e r a t e r s ) , th e p ap e rs were arra n g e d so t h a t th e to p ic s would be r a te d in th e fo llo w in g o rd e r: Topic 1 , Topic 2 , Topic 1 , Topic 3—w ith t l i i s s e r ie s re p e a te d th ro u g h o u t th e r a t i n g o f th e 320 p a p e r s . S ince th e e f f e c t of th e c o n te n t f a c t o r s on th e r a t e r s has been i s o l a t e d , v a r ia tio n s betw een th e r e l i a b i l i t y o f r a t i n g s on d i f f e r e n t to p ic s can be a t t r i b u t e d to th e to p ic s . A rran g in g th e to p ic s in t l i i s o rd e r a u to m a tic a lly in te r s p e r s e s two s tu d e n ts ' p a p e rs , so t h a t i t would be more d i f f i c u l t f o r th e r a t e r s to compare d i f f e r e n t p ap ers by th e same s tu d e n t. A lthough th e r e i s no 58 evidence t h a t such a com parison would s e r io u s ly a f f e c t th e o b j e c t i v i t y of th e r a t i n g s , th e p ap e rs were arran g ed so t h a t any two p ap ers by a s in g le s tu d e n t were s e p a ra te d by a t l e a s t two p ap e rs by o th e r s t u d e n t s . E ff e c t o f f a tig u e on th e r a t e r s . Since th e f a tig u e f a c t o r was reco g n ized as a p o s s ib le d i s t u r b in g in f lu e n c e on th e e f f ic ie n c y l e v e l a t which th e s tu d e n ts would be w r itin g (a r e s t p e rio d b e in g p ro v id ed between th e w r i t­ in g o f th e tvro p a p e rs on each day to c o u n te ra c t such an in f lu e n c e ) , i t seemed a d v is a b le to ta k e a s im ila r p r e c a u tio n in re g a rd to th e r a t e r s . C o n seq u en tly , a s ix -h o u r w orking day was p la n n e d . Each day was d iv id e d in to ap p ro x im a tely fo u r eq u a l p a r t s o f n in e ty m inutes e a c h . Two such p e rio d s were h eld each m orning and two each a f te rn o o n , w ith a 1 5 - 2 0 m inute r e s t p e rio d in th e m iddle o f th e morning and a fte rn o o n s e s s io n s . T his p ro ced u re was fo llo w ed f o r r a t i n g a l l o f th e 320 p ap e rs in v o lv ed i n th e s tu d y . In view o f th e arrangem ent o f th e p ap ers (d e s c rib e d above) , th e e f f e c t o f any f a tig u e f a c t o r s on th e r a t e r s sh o u ld be e v e n ly d i s t r i b u t e d among th e p a p e rs i n su ch a way as to p reclu d e any s e rio u s e f f e c t on th e f a c to r s b e in g t e s t e d . C r i t e r i a f o r R atin g Themes I n view o f th e f a c t t h a t th e tlire e r a t e r s employed had been u sin g th e same theme r a t i n g s c a le f o r th e p a s t f o u r y e a rs to e v a lu a te com prehensive exam ination th em es, i t d id n o t seem a d v is a b le to make any a l t e r a t i o n s i n t h a t s c a le —s in c e such a l t e r a t i o n s m ight r e s u l t in a lo w erin g o f th e r e ­ l i a b i l i t y o f th e r a t i n g s . 59 On th e o th e r h an d , D ie d e ric h p o in ts o u t t h a t s p e c i f i c c r i t e r i a f o r ju d g in g p a p e rs r e l a t i v e to a s p e c if ic assig n m en t sh o u ld be s e t a f t e r re a d ­ in g a t l e a s t te n p a p e rs w r i tte n on t h a t a s s ig n m e n t.2^ I t i s im p o rtan t f o r th e r a t e r s to re a c h an agreem ent on what i s ex p ected o f th e s tu d e n ts in d ev e lo p in g a p ap e r on a p a r t i c u l a r a s sig n m e n t. Such agreem ent concerns th e c o n te n t, p r im a r il y , and th e o rg a n iz a tio n o f th e c o n te n t. C rite ria fo r th e se n te n c e s t r u c t u r e , grajnmar and m echanics, and th e d i c t i o n , which make up th e rem ain d er o f th e g e n e ra l c r i t e r i a l i s t e d on th e r a t i n g s c a le i n u s e , rem ain f a i r l y c o n s ta n t f o r a l l assig n m en ts made i n th e W r itte n and Spoken E n g lish c o u r s e . A lthough a s p e c if ic assignm ent f o r w ritin g a p ap e r on a d e f i n i t e to p ic may in f lu e n c e tlie q u a l ity o f th e sen ten ce s t r u c t u r e , grammar and m ech an ics, and d i c t i o n , th e d e s ire d q u a l ity f o r th e s e elem ents o f w ritin g rem ains f a i r l y c o n s ta n t. In c o n t r a s t , th e q u a lity o f th e s u p p o rtin g ma­ t e r i a l , and th e o r g a n iz a tio n o f i t , have to be judged ac co rd in g to th e t o p i c , th e m a te r ia ls p ro v id e d , an d , to some e x t e n t, th e a d d itio n a l know­ le d g e and id e a s p o sse sse d by th e s tu d e n ts . The p ap e rs w hich, by random p ro c e d u re , had been e lim in a te d from th e stu d y i n o rd e r to e q u a liz e th e number o f s tu d e n ts in each group were u t i l i z e d to determ in e more s p e c i f i c a l l y th e c r i t e r i a f o r r a t i n g th e o rg a n i­ z a tio n and c o n te n t f o r each o f th e tlire e to p ic s in v o lv e d . 25. I b id . 60 Summary Since i t lias been d em o n strated t l i a t th e r a t i n g method employed by th e W ritte n and Spoken E n g lish D epartm ent can produce h ig h ly r e l i a b l e r a tin g s when p ro p e r p re c a u tio n s a r e ta k e n , and s in c e th e r a t i n g form em­ ployed by t h a t d epartm ent was d esig n ed f o r e v a lu a tin g th e o b je c tiv e s o f t h a t c o u r s e , t h a t method and t h a t form seemed to p ro v id e th e b e s t a v a i l ­ a b le means f o r e v a lu a tin g 'the p ap e rs in v o lv ed i n t h i s stu d y . T hree r a t e r s , whose re c o rd s in d ic a te d a b i l i t y in making s e n s itiv e d is c r im in a tio n s , were employed to r a t e each o f th e 320 p ap ers in v o lv e d in t l i i s s tu d y . The p ap ers on d i f f e r e n t to p ic s were arra n g e d so t h a t th e r a t e r s re c e iv e d them i n a l t e r n a t e o rd e r—th u s in s u rin g t h a t th e e f f ic ie n c y le v e l o f th e r a t e r s e n te re d i n t o th e r a t i n g o f each to p ic i n ab o u t th e same way. R est p e rio d s were p ro v id ed a t r e g u la r i n t e r v a l s in o rd e r to reduce th e p o s s i b i l i t y o f e x c e s s iv e f a tig u e a f f e c t in g th e r a t e r 's w ork. A fte r re a d in g p ap e rs which had b een e lim in a te d from th e s tu d y , th e r a t e r s fo rm u late d t h e i r c r i t e r i a f o r e v a lu a tin g th e q u a lity o f w r itin g on d i f f e r e n t to p ic s —e s p e c i a lly co n cern in g o rg a n iz a tio n and c o n te n t. tlire e r a t i n g s f o r each p ap e r were ta b u la t e d . The The sco re f o r each p ap er was determ ined by com puting th e av erag e o f th e two r a tin g s w hich were i n c l o s e s t ag reem en t, when th e d isc re p a n c y betw een th o se two r a t i n g s was n o t i n ex c ess o f f iv e p o i n t s . O th erw ise , th e av erag e o f th e tlire e r a tin g s was u se d . T hus, th e d a ta was p ro v id ed f o r d e te rm in in g w hether a s in g le pap er w r i tte n on a given to p ic a t a p a r t i c u l a r tim e p ro v id e s a v a lid b a s is f o r e v a lu a tin g a s t u d e n t 's w r itin g a b i l i t y a t any tim e i n a w ritin g c o u rse . CHAPTER V ANALYSIS OF THE DATA The purpose o f t l i i s stu d y was t o t e s t f o u r assum ptions in o rd e r to determ ine w hether a s in g le p ap e r w r itte n by a s tu d e n t on a g iven to p ic a t a p a r t i c u l a r tim e can be c o n sid e re d as a v a lid b a s is f o r e v a lu a tin g h is achievem ent a t any tim e i n a w ritin g c o u r s e . Since th e 80 s tu d e n ts in v o lv ed i n t h i s stu d y were o nly a sm a ll sample (ab o u t tlire e p e r c e n t) o f th e e n t i r e s tu d e n t p o p u la tio n e n r o lle d i n th e c o u r s e , and s in c e t l i i s stu d y was concerned w ith v a r ia tio n s o f in d iv id u a l perform ance o f th e 80 s tu d e n ts who were e q u a lly d iv id e d among fo u r g ro u p s, i t was n e c e ss a ry to p ro v id e answ ers to th e fo llo w in g q u e stio n s b e fo re d e f i n i t i v e t e s t s co u ld be p ro v id ed f o r th e fo u r assum ptions* 1 . Were th e s tu d e n ts in v o lv e d in t h i s stu d y r e p r e s e n ta tiv e o f th e e n t i r e Fresliman p o p u la tio n e n r o lle d i n th e W ritte n and Spoken E n g lish course? 2 . Were th e s tu d e n ts i n each group r e p r e s e n ta tiv e o f th e e n t i r e p o p u la tio n in v o lv e d i n th e stu d y ? 3 . Did f a tig u e a f f e c t th e q u a l ity o f w r itin g on th e p a p e rs w r itte n d u rin g th e second hour o f th e tw o-hour w ritin g p e rio d s? And, 1*. Were th e r e any f a c t o r s wliich a f f e c te d th e average q u a lity o f w r i t­ ing f o r th e d i f f e r e n t groups o f s tu d e n ts —i n r e l a t i o n to t o p i c s , d a y s, or p re s s u re ? 62 Background A n a ly sis E ighty s tu d e n ts r e p r e s e n ta ti v e o f Fresliman p o p u la tio n . F or th e f in d in g s o f t h i s s tu d y to be g e n e ra lly a p p l ic a b le , i t m ust be assumed t h a t th e s tu d e n ts in v o lv e d i n th e stu d y were r e p r e s e n ta ti v e o f th e e n t i r e Fresliman p o p u la tio n e n r o lle d i n th e W ritte n and Spoken E n g lish c o u r s e . A lthough th e re was. no s a t i s f a c t o r y method o f t e s t i n g t h i s a ssu m p tio n , th e en ro llm e n t p ro ced u re in u se o p e ra te d to in s u r e t h a t th e s e l e c t i o n o f any fo u r groups o f s tu d e n ts would p ro v id e a r e p r e s e n ta tiv e c r o s s - s e c tio n o f th e Fresliman p o p u la tio n . Tliat p ro c e d u re c o n s is te d o f a d m ittin g s tu d e n ts in a lp h a b e tic a l o rd e r tliro u g h o u t th e th r e e -d a y r e g i s t r a t i o n p e r io d . In o rd e r to e q u a liz e tlie number o f s tu d e n ts i n each o f th e 93 groups ( r e c i t a t i o n s e c tio n s ) in which th e s tu d e n ts were b e in g e n r o lle d a t t h a t tim e , th e e n ro llm e n t i n any one group was lim ite d on each d ay . T hus, in each o f th e fo u r groups u se d , th e s tu d e n t names were d i s t r i b u t e d tliro u g h o u t th e a lp lia b e t— In group A, from 3 to W; group B, from A to Sj group C , from A to S; and i n group D, from B to W. T h u s, i t seems re a s o n a b le to assume t h a t th e 80 s tu d e n ts were r e p r e s e n ta ti v e o f th e e n t i r e Fresliman p o p u la tio n . Each group r e p r e s e n ta ti v e o f t o t a l g ro u p . These e ig h ty s tu d e n ts were e q u a lly d iv id e d among f o u r groups o f tw en ty s tu d e n ts e a c h . S ince t h i s s tu d y was to t e s t assu m p tio n s c o n c ern in g th e e f f e c t o f t o p i c s , o f v a r ia tio n s in e f f i c i e n c y , and p r e s s u r e on th e q u a lity o f s tu d e n t w r i tin g , and s in c e th o s e assu m p tio n s co uld be te s te d o n ly by com paring th e r e s u l t s f o r d i f ­ f e r e n t g ro u p s, each group o f tw enty s tu d e n ts sh o u ld be a r e p r e s e n ta tiv e 63 sample ( in r e l a t i o n to t h e i r w r itin g a b i l i t y ) o f th e e n t i r e p o p u la tio n o f s tu d e n ts in v o lv ed in th e s tu d y —or a method o f e q u a tin g th e fo u r groups must be u t i l i z e d . S ince a l l e ig h ty s tu d e n ts w rote one p ap er on th e same to p ic (''D ista n c e Between C la sse s " ) under th e same c o n d itio n s , a b a s is was p ro v id ed f o r d eterm in in g w hether o r n o t each group o f tw enty s tu d e n ts was r e p r e s e n ta tiv e o f th e t o t a l g ro u p . The method o f a n a ly s is o f variance"*" p ro v id es a t e s t fo r th e h y p o th e sis t h a t th e d if f e r e n c e s in means f o r th e fo u r groups in d ic a te r e a l d if f e r e n c e s i n th e av erag e q u a l ity o f w r itin g by th e s e g ro u p s. The mean sc o re s o f th e p ap ers w r i tte n on Topic 1 ("D ista n c e Between C la sse s" ) on th e f i r s t day by each group a re shown below: Group A Group C Group B Group D 214.5 23. h 2 5 -u 22.ii A p p lic a tio n of an a n a ly s is o f v a ria n c e produced an F r a t i o of ,7hS7 (as shown b elo w ). T his does n o t approach th e F r a t i o o f 6.57 needed f o r s ig n if ic a n c e a t th e £ p e r c e n t l e v e l . T hus, we can r e j e c t th e h y p o th e sis t h a t th e re a re s i g n i f i c a n t d if f e r e n c e s among th e fo u r groups in th e average q u a lity o f w r itin g on Topic 1 . T h e re fo re i t seems re a s o n a b le to conclude th a t each o f th e fo u r groups i s r e p r e s e n ta tiv e i n t h e i r w r itin g a b i l i t y of th e t o t a l group in v o lv e d . 1 . E . F . L in d q u is t, S t a t i s t i c a l A n a ly s is i n E d u c a tio n a l R e se a rc h . Houghton M if f lin Company, New Y ork, I 9 I4.O, p . 91. 6k R e s u lts o f A n a ly sis o f V ariance Source d.f. SS V ariance F R atio Between groups of p ap ers 3 101.5367 33.81*5 17U57 W ithin groups of papers_____________76________ 3 ^ 9 .3 1 0 0 ________ U5.385__________ F r a t i o needed f o r s ig n if ic a n c e a t ^ l e v e l .............................................8 .^ 7 F r a t i o needed f o r s ig n if ic a n c e a t 1% l e v e l ............................................ 26.27 E f f e c t o f th e f a tig u e f a c t o r . A lthough p re c a u tio n s were tak en to p re v e n t f a tig u e from p ro d u cin g v a r ia tio n s in e f f ic ie n c y f o r th e s tu d e n ts w r itin g p ap ers d u rin g th e second h a l f o f th e w r itin g p e rio d each d ay , a t e s t was p rovided to d e te rm in e , in s o f a r as p o s s i b le , w hether such f a tig u e d id a l t e r th e q u a l ity of p ap e rs w r itte n d u rin g th e l a t t e r h a l f o f th o se p e rio d s . Since a l t e r n a t e t o p i c s , f o r each h a l f o f th e tw o-hour w r itin g p e r io d s , were passed out s y s te m a tic a lly to ev ery o th e r s tu d e n t in each s e c t i o n , i t is re a so n a b le to assume t h a t th e s tu d e n ts r e c e iv in g d i f f e r e n t assig n m en ts f o r each h a l f o f th e w r itin g p e rio d were e v e n ly d iv id e d r e l a t i v e to t h e i r w ritin g a b i l i t y . T hus, w ith o nly two groups of s tu d e n ts in v o lv e d ( f i r s t - h o u r and se c o n d -h o u r), a t - t e s t may be employed to t e s t th e h y p o th e sis tli a t th e mean score f o r th e p ap e rs w r itte n on a s p e c if ic to p ic d u rin g th e f i r s t hour i s s i g n i f i c a n t l y h ig h e r th a n th e mean f o r p ap ers w r itte n on t h a t to p ic d u rin g th e second h o u r. Since a l l s tu d e n ts in v o lv ed in th e stu d y w rote two p ap ers on Topic 1 , th e t e s t may be a p p lie d to th e d if f e r e n c e in means between a l l o f th e p ap ers on t h i s to p ic w r itte n d u rin g th e f i r s t hour and 2 . I b i d . , p . 51. 65 th o se w r itte n d u rin g th e second h o u r. The co m p u tatio n , however, re v e a le d th a t th e mean sc o re f o r th e p ap ers w r itte n d u rin g th e second hour was s l i g h t l y h ig h e r th a n th e mean o f th e p ap ers w r itte n d u rin g th e f i r s t hour (a s shown below) : Means Papers on T opic 1 , w r itte n d u rin g th e second h o u r.................... 23.925 P apers on Topic i , w r itte n d u rin g th e f i r s t h o u r ...................... 23.735 D if f e r e n c e ........................ 19 Since th e s iz e o f th e means i s j u s t th e o p p o site of what would be a n tic ip a te d r e l a t i v e to th e f a tig u e f a c t o r s , i t seems re a s o n a b le to assume th a t th e f a tig u e f a c t o r d id not r e s u l t in a lo w erin g o f th e q u a lity o f th e w ritin g d u rin g th e second h o u r. A p p lic a tio n o f th e t - t e s t in d ic a te d t h a t the d if fe re n c e i n th e two means would have liappened by chance alone b e ­ tween UO and 50 tim es o u t o f a hundred c a s e s . T h e re fo re , i t seems reaso n ab le to conclude t h a t n e ith e r th e f a tig u e f a c t o r nor any o th e r f a c t o r r e l a t i v e to th e f i r s t o r second hour o f th e w r itin g p e rio d liad any s i g n i f i c a n t e f f e c t on th e av erag e q u a lity o f th e s tu d e n ts 1 w r i t i n g . E f f e c t o f v a r ia tio n s in e f f ic ie n c y and o f c o n te n t f a c t o r s . Under normal c o n d itio n s , i t would be expected t h a t th e e f f ic ie n c y le v e l a t wliich a group o f s tu d e n ts would be w ritin g a t a p a r t i c u l a r tim e would v ary from one in d iv id u a l to a n o th e r . would be a t t h e i r low p o i n t . Some s tu d e n ts would be a t t h e i r p eak; some The rem ainder would be working a t e f f ic ie n c y le v e ls d is t r i b u t e d between th e two ex trem es. On a n o th e r d ay , under normal c o n d itio n s , th e same ty p e of d i s t r i b u t i o n would be ex p e cte d , b u t w ith many 66 in d iv id u a ls w orking a t d i f f e r e n t le v e ls o f e f f ic ie n c y th a n th e y were on th e f i r s t d ay . T h u s, th e av erag e q u a lity o f th e w r itin g on b o th days should be a p p ro x im a tely th e same, and th e v a r ia tio n s i n e f f ic ie n c y le v e ls would n o t r e s u l t in any s i g n i f i c a n t v a r ia tio n s i n th e mean sc o re s o f p ap ers w r itte n on th e same to p ic s on d i f f e r e n t d a y s. On th e o th e r h an d , i t may be h y p o th e s iz e d , t h a t i f th e " p r a c tic e e f f e c t" o r "new le a r n in g e x p e rie n c e s" a f f e c te d most o f th e w r ite r s in th e same m anner, th e n mean sc o re s on d i f f e r e n t days would be s i g n i f i c a n t l y d iffe re n t. L ik ew ise, i f th e a c c id e n ta l c o n te n t f a c t o r s , p ro v id ed by th e d i f f e r e n t t o p i c s , a f f e c te d most s tu d e n ts in th e same manner ( t h a t i s , i f one to p ic proved more d i f f i c u l t f o r most s tu d e n ts th a n d id th e o th e r to p ic ) , th e n th a t e f f e c t would r e s u l t in a s i g n i f i c a n t d if f e r e n c e in th e mean sc o re s f o r th e two t o p i c s . In o rd e r to t e s t th e two h ypotheses d e s c rib e d above, a g a in a t e s t f o r a s i g n i f i c a n t d if f e r e n c e i n means i s r e q u ir e d . S ince each o f th e 20 stu d e n ts i n each group w rote a p ap er on each o f two d i f f e r e n t to p ic s on each of two d i f f e r e n t d a y s, fo u r s e ts o f p a p e rs were produced by each group: one s e t w r i tte n on th e f i r s t to p ic on th e f i r s t d ay , one s e t on th e second to p ic on th e f i r s t d a y , one s e t on th e f i r s t to p ic on th e second day, and one s e t on th e second to p ic on th e second d ay . Since groups A and B w rote t h e i r p ap ers on b o th days under th e same c o n d itio n s , w ith no ex am in atio n p re s s u re added on th e second d ay , th e two f a c t o r s , c o n te n t and e f f ic ie n c y le v e l d e s c rib e d above, a r e th e p rim ary v a r ia b le s in v o lv e d . 67 A lthough th e f i r s t to p ic a s s ig n e d was th e same f o r b o th g ro u p s, th e second to p ic a s s ig n e d group B s tu d e n ts was n o t o n ly d i f f e r e n t from th e f i r s t to p ic b u t was o f a d i f f e r e n t ty p e th a n th e second to p ic a s s ig n e d group A s tu d e n ts . In o rd e r to d is t in g u is h betw een th e p o s s ib le e f f e c t s o f two d i s s i m i l a r t o p i c s , a s compared w ith th e e f f e c t s of two s im ila r t o p i c s , an a n a ly s is o f v a ria n c e was a p p lie d to th e fo u r s e ts o f p ap ers fo r each o f th e two groups s e p a r a te ly —to determ in e w hether a s i g n i f i c a n t d if fe re n c e e x is te d betw een any o f th e means o f th e fo u r s e t s o f p a p e r s .^ The means f o r group A a r e shown below : F i r s t Day Topic 1__________Topic 2 2 k .5 Second Day Topic 1___________ T opic 2 23.7 21.9 21.3 For group A, th e F r a t i o o b ta in e d f o r 3 and 76 d eg rees o f freedom was .7U80 (shown below) . T h is does n o t approach th e F r a t i o o f 8.57* which i s needed f o r s ig n if ic a n c e a t th e 5 p er c e n t l e v e l . T h e r e f o re , i t seems re a s o n a b le to conclude t h a t th e r e i s no s i g n i f i c a n t d if f e r e n c e b e ­ tween th e means o f any two s e t s o f p a p e rs w r i tte n by group A . R e s u lts o f A n a ly sis o f V ariance Source d.f. SS V ariance F .r a tio Between s e t s o f p a p e rs 3 136.91+61+ U5.61+88 .71+80 W ithin s e ts o f p ap e rs__________76________ 1+637 .8100 ________ 61.0238___________ F r a t i o needed f o r s ig n if ic a n c e a t 5% l e v e l ........................................8.57 F r a t i o needed f o r s ig n if ic a n c e a t 1% l e v e l ......................................26.27 3 . E . F . L in d q u is t, l o c . c i t . 68 The means f o r group B a re shown below* F i r s t Day Topic 1 Topic 3 25 .h Second Day T o p ic~ I T opic 3 21.6 2 1 .5 2 6 .1 For group B, th e F r a t i o o b ta in e d f o r 3 and 76 d e g re ss of freedom was .9837 (shown below) . A gain t h i s does n o t approach th e F r a t i o of 8 .5 7 , which i s needed f o r s ig n if ic a n c e a t th e 5 p e r c e n t l e v e l . T h e re fo re , i t seems re a s o n a b le to conclude t h a t th e re i s no s i g n i f i c a n t d if fe re n c e between th e means o f any two s e ts o f p ap ers w r i tte n by group B R e s u lts o f A n a ly sis o f V ariance Source d .f . SS Between s e t s of p ap ers 221 .ii073 3 W ithin s e ts of p ap ers 76 5959.2900 F r a t i o needed f o r s ig n if ic a n c e a t 5$ le v e l F r a t i o needed f o r s ig n if ic a n c e a t 1% le v e l V ariance F ra tio 77.1350 .9837 78.6117 In view o f th e f a c t t h a t no s i g n i f i c a n t d if fe re n c e was found between any p a i r o f means f o r e i t h e r s e c t i o n , i t seems re a s o n a b le to conclude t h a t : 1) i f th e r e were v a r ia tio n s i n th e e f f ic ie n c y le v e l o f in d iv id u a l w r ite r s from day to day w hich r e s u lt e d in s i g n i f i c a n t v a r ia tio n s in th e q u a lity o f t h e i r w r i tin g , th o s e v a r ia tio n s o ccu rred i n such a manner as to ca n ce l out any s i g n i f i c a n t e f f e c t on th e mean sc o re s f o r groups o f w r i t e r s ; and 2) i f th e a c c id e n ta l c o n te n t f a c t o r s (due to d i f f e r e n t to p ic s ) r e s u lt e d in s i g n i f i c a n t v a r ia tio n s in th e q u a lity o f w r itin g f o r in d iv id u a l s tu d e n ts a g ain such v a r ia tio n s o ccu rred i n such a manner as to c a n c e l o u t any s i g n i f i c a n t e f f e c t on th e mean sc o re s f o r groups o f w r i t e r s . 69 E f f e c t o f p r e s s u re on mean s c o r e s . The s tu d e n ts in group C w rote on th e same two to p ic s ( s im il a r ) on each day a s d id th o se in group A . On th e second d ay , how ever, th e s tu d e n ts in group C had an a d d itio n a l psy­ c h o lo g ic a l p r e s s u r e f a c t o r ad d ed , by b ein g inform ed t h a t th e p ap ers w r itte n on t h a t day would be c o n sid e re d as a p a r t o f t h e i r f i n a l e:xamin a tio n . The s tu d e n ts i n group D w rote on th e same two to p ic s ( d is s im ila r ) on each day a s d id th o se i n group B. On th e second d ay , however, th e s tu d e n ts in group D w rote u n d er th e same a d d itio n a l p sy c h o lo g ic a l p re s s u re as d id th o se i n group C . A g ain , as w ith groups A and B , one o f th e prim ary v a r ia b le s in v o lv ed in th e w r itin g of th e f o u r s e ts o f p a p e rs by each o f th e s e two s e c tio n s i s th e c o n te n t f a c t o r (due to s im ila r to p ic s f o r group C, and to d is s im i­ l a r to p ic s f o r group D) . S ince i t was d em o n strate d , by th e p re c e d in g t e s t s , t h a t th e v a r ia tio n s i n e f f ic ie n c y l e v e l from day to day d id n o t a f f e c t th e mean s c o re s on p a p e rs w r itte n by a group o f s tu d e n ts , th e a d d itio n a l p sy c h o lo g ic a l p r e s s u r e f a c t o r o f th e ex am in atio n s i t u a t i o n may be co n sid ered as th e second p rim ary v a r ia b le in v o lv ed i n th e w r itin g by groups C and D. A gain, sin c e s im ila r to p ic s were u t i l i z e d by group C and d is s im ila r to p ic s by group D, i t was deemed a d v is a b le to t e s t th e s ig n if ic a n c e o f th e d if fe re n c e betw een means f o r each o f th e two groups s e p a r a te ly i n o rd e r to p ro v id e f o r th e p o s s i b i l i t y o f an i n t e r a c t i o n between th e p r e s ­ su re and s im ila r to p ic s and betw een p re s s u re and d is s im ila r to p ic s having a s i g n i f i c a n t e f f e c t on th e r e s u l t s . 70 T hus, an a n a ly s is o f v a ria n c e a g a in was used to d eterm in e w hether th e re were any s i g n i f i c a n t d if f e r e n c e s betw een th e mean sc o re s o f each of th e fo u r s e ts o f p ap ers w r i t t e n by each group. The mean sc o re s f o r group C a re shown below: F i r s t Day Second Day Topic 1 T opic 2 Topic 1 23.k 2 3 .9 2 5 .0 Topic 2 2h.6 For group C, th e F r a t i o o b ta in e d f o r 3 and 76 degrees o f freedom was .2700 (a s shown b e lo w ), which does n o t approach th e F r a t i o o f 8.57 needed f o r s ig n if ic a n c e a t th e 5 p er c e n t l e v e l . T h e re fo re , i t seems re a so n a b le to conclude t h a t th e re was no s i g n i f i c a n t d if fe re n c e between th e means o f any two s e ts o f p ap ers w r i tte n by group C . R e s u lts o f A n a ly s is o f V ariance f o r _______________ GrcnaqaC ______________ Source d .f . SS V ariance F ra tio Between s e ts of p ap ers 3 3^.8690 11.623 .2700 W ith in s e ts o f papers_________ 76__________ 3271.3500 _______ 1+3 .QUO_________ F r a t i o needed f o r s ig n if ic a n c e a t 5$ l e v e l .......................... 6.57 F r a t i o needed f o r s ig n if ic a n c e a t 1% l e v e l .......................... 26.27 The mean sc o re s f o r group D a re shown below : F i r s t Day Topic 1 Topic 3 22.U 1 9 .2 Topic 1 23.9 Second Day Topic 3 20.9 For group D, th e F r a t i o o b ta in e d f o r 76 and 3 deg rees o f freedom was l.It.8 (a s shown below) . T his does n o t approach th e F r a t i o o f 2.73 71 n eed ed f o r s i g n i f i c a n c e a t t h e 5 p e r c e n t l e v e l . T h e r e f o r e , i t seem s r e a s o n a b le t o c o n c lu d e t h a t t h e r e i s no s i g n i f i c a n t d i f f e r e n c e b e tw ee n th e mean s c o r e s o f an y two s e t s o f p a p e r s w r i t t e n b y g ro u p D. R e s u l t s o f A n a ly s is o f V a ria n c e fo r ______________ G roup-D _______________ S o u rce d .f . SS V a r ia n c e F ra tio 2hS.h900 81.63 1.U8 B etw een g ro u p s of papers 3 W ith in g ro u p s 3'3.25____________________ o f p a p e r s ________ 76____________ 1+199.1650 F r a t i o n eed ed f o r s i g n i f i c a n c e a t l e v e l ................. 2 .7 3 F r a t i o needed f o r s ig n if ic a n c e a t 1% l e v e l .............................. 1+.06 S in c e t h e a p p l i c a t i o n o f a n a l y s i s o f v a r i a n c e f a i l e d t o show any s i g n i f i c a n t d i f f e r e n c e i n t h e m eans o f t h e f o u r s e t s o f p a p ers w ritte n by e i t h e r g ro u p C o r g ro u p D, i t seem s r e a s o n a b le t o c o n c lu d e t h a t n e i t h e r th e a d d i t i o n a l p s y c h o l o g ic a l p r e s s u r e o f t h e e x a m in a tio n s i t u a t i o n n o r , a g a i n , th e c o n t e n t f a c t o r s (fro m th e u s e o f s i m i l a r an d d i s s i m i l a r t o p i c s ) , n o r a c o m b in a tio n o f su c h f a c t o r s had any s i g n i f i c a n t e f f e c t on th e a v e r ­ age q u a l i t y o f w r i t i n g by t h e s e s t u d e n t s . T h e re w a s, h o w e v e r, one o t h e r c o m b in a tio n o f s t u d e n t s t h a t c o u ld be u se d t o t e s t t h e e f f e c t o f t h e a d d i t i o n a l p s y c h o l o g ic a l p r e s s u r e on th e a v e ra g e q u a l i t y o f w r i t i n g oy a group o f s t u d e n t s . The s t u d e n t s o f a l l f o u r g ro u p s w ro te on T o p ic 1 ( " D is ta n c e B etw een C l a s s e s " ) on two d i f f e r e n t d a y s , w ith t h e s t u d e n t s i n g ro u p s A an d B w r i t i n g w ith o u t a n y a d d i t i o n a l p s y c h o l o g ic a l p r e s s u r e on e i t h e r d a y . The s t u d e n t s i n g ro u p s C and D , h o w ev er, w ro te on T o p ic 1 on th e f i r s t day w i t h o u t a d d i t i o n a l p r e s s u r e , o u t on th e s e c o n d d a y t h e p s y c h o lo g ic a l p r e s s u r e o f t h e e x a m in a tio n s i t u ­ a t i o n was a d d e d . 72 T hus, by com bining th e sc o re s on Topic 1 f o r groups A and B on each day and f o r groups C and D on each d ay , a g a in fo u r s e ts o f p a p e rs a re p ro v id e d , th e means o f wliich can be t e s t e d f o r s i g n i f i c a n t d if f e r e n c e s . At th e b e g in n in g of t h i s c h a p te r , i t was d em onstrated t h a t th e re was no s i g n i f i c a n t d if fe re n c e in th e mean s c o r e s , among th e fo u r g ro u p s, fo r the p ap e rs w r i tte n on Topic 1 on th e f i r s t day. A ls o , i t was d em o nstrated th a t th e r e was no s i g n i f i c a n t d if fe re n c e betw een any two mean sc o re s of the fo u r s e ts o f p ap ers w r itte n by each group. By com bining th e sc o re s on Topic 1 , f o r each day, by groups A and B and by groups C and D , th e number o f s tu d e n t p ap ers in each group i s douole th e number i n p re v io u s groups t e s t e d —which should p ro v id e a more r e l i a b l e t e s t f o r th e e f f e c t of th e f a c t o r s in v o lv e d . The means f o r th e combined s e c tio n s on Topic 1 a re : F i r s t Day Groups A and B Groups C and D 2h.9 22.9 Second Day Groups A and 3 Groups C and D 22.5 2U.5 A gain, an a n a ly s is o f v a ria n c e was used to determ ine w hether th e re was any s i g n i f i c a n t d if f e r e n c e between any two mean sc o re s f o r th e s e fo u r s e ts o f p a p e rs w r itte n on Topic 1 . The F r a t i o f o r 3 and 156 deg rees of freedom was .7957 (a s shown below) . T his does n o t approach th e F r a t i o of 6.55 needed f o r s ig n if ic a n c e a t th e 5 p e r c e n t l e v e l . T h e re fo re , i t seems re a s o n a b le to conclude th a t th e r e i s no s i g n i f i c a n t d if f e r e n c e b e ­ tween any two o f th e f o u r means—a g a in d em o n stratin g t h a t th e p s y c h o lo g ic a l p re s s u re o f th e ex am in atio n s i t u a t i o n had no e f f e c t on th e average q u a lity o f w r itin g by th e groups o f s tu d e n ts in v o lv e d . A lso ( i n r e l a t i o n to 73 groups A and B com bined), i t has been d em o n strated ag a in t h a t v a r ia tio n s in e f f ic ie n c y le v e l from day to day d id n o t have a s i g n i f i c a n t e f f e c t on th e average q u a lity o f w r itin g by th e s e s t u d e n t s . R e s u lt o f A n a ly s is o f V arian ce f o r _________ Combined S e c tio n s________ Source d.f . SS V ariance F ra tio Between s e ts of papers 3 130.6815 U3.56 .7957 W ithin s e ts 5U.7U___________ ______ of papers_______ 156________ 6539.U960 F r a t i o needed f o r s ig n if ic a n c e a t 5% l e v e l . . . ..................... S'.5>5 F r a t i o needed f o r s ig n if ic a n c e a t 1/b l e v e l ........................... 26.25 E ff e c t o f F a c to rs on In d iv id u a ls The t e s t s th u s f a r re p o rte d do n o t p re c lu d e th e p o s s i b i l i t y of s i g n i f i c a n t v a r ia tio n s in w ritin g p r o f ic ie n c y f o r any in d iv id u a l or f o r any numoer o f in d iv id u a ls in v o lv ed in t h i s s tu d y . A ll t h a t has been dem onstrated i s t h a t i f such v a r ia tio n s have o c c u rre d , th e y have o ccurred in such a manner as to ca n ce l o u t any e f f e c t on th e t o t a l o r mean sc o re s in each in s ta n c e . Method o f d e term in in g s i g n i f i c a n t v a r ia tio n s in th e q u a lity o f w ritin g by in d iv i d u a ls . In o rd e r to stu d y th e e f f e c t o f th e v a rio u s f a c to r s on the q u a lity o f th e w r itin g by in d iv id u a l s tu d e n ts , i t was n ec essary to examine th e sc o re s on p a i r s o f p a p e rs by th e same s tu d e n t and to d e te r ­ mine w hether th e d if f e r e n c e s betw een th o se s c o re s may have been due en­ t i r e l y to th e u n r e l i a b i l i t y o f th e r a t i n g s o r w hether th o se d if fe re n c e s a c tu a lly in d ic a te v a r ia tio n s in th e q u a lity o f th e stu d e n t* s w r itin g . 7U A lthough th e method ad o p ted f o r r a t i n g th e p a p e rs in t h i s stu d y i s co n sid ered by th e e x p e rts in th e f i e l d a s one o f th e most r e l i a b l e and v a lid methods f o r e v a lu a tin g th e q u a lity o f a s t u d e n t 's w r itin g , th e sc o re s o b ta in ed by t h a t method a r e n o t amenable to th e u su a l s t a t i s t i c a l methods f o r d ete rm in in g th e r e l i a b i l i t y and th e e r r o r o f th e r a t i n g s . In most c a s e s , th e sc o re a s sig n e d each p a p e r was th e average of o n ly two ra tin g s . Those two r a t i n g s , how ever, were n o t alw ays by th e same two p e o p le . And in some c a s e s , th r e e r a t i n g s were av erag ed in o rd e r to ob­ t a i n th e b e s t e s tim a te o f th e q u a l ity o f a p a p e r . E b e l, w ith th e a s s is ta n c e o f P ro fe s s o rs E. E. C u re to n , H arold G u llik s e n , and E. F . L in d q u is t, lias developed a p ro ced u re f o r d eterm in in g the r e l i a b i l i t y and e r r o r f o r s e t s o f r a t i n g s — s im ila r to th o se used in t h i s stu d y (See A ppendix A ) . E bel p o in ts o u t t h a t i f d e c is io n s a re to be made in p r a c tic e by com paring av e ra g es w hich come from d i f f e r e n t groups of r a t e r s , th e n th e " b e tw e e n -ra te rs" v a ria n c e should be in c lu d ed as a p a r t of th e e r r o r te rm .^ (These re q u ire m e n ts a re met by E b e l's p ro c e d u re , which i s i l l u s t r a t e d in Appendix B .) Since th e r e was a p o s s i b i l i t y t h a t a c c id e n ta l c o n te n t f a c t o r s due to th e to p ic s m ight in flu e n c e th e r a t e r s , as w e ll as th e w r i t e r s , i t seemed l i k e l y t h a t th e r e l i a b i l i t y o f th e r a t i n g s f o r each to p ic in d ic a te d t h a t such v a r ia tio n s d id o ccur (a s shown b e lo w ). T h is means t h a t th e s ta n d a rd e r r o r o f an observed sco re a ls o would v a ry from to p ic to t o p i c . S ince th e r e l i a b i l i t y o f th e r a t i n g s v a rie d from to p ic to t o p i c , th e o v e r - a l l , o r t o t a l , r e l i a b i l i t y and s ta n d a rd e r r o r o f th e r a tin g s were U. R obert L . E b e l, " E stim a tio n o f th e R e l i a b i l i t y o f R a tin g s ," P sy ch o m etrik a, v o l. 1 6 , No. h (December 1 9 5 l) , PP. U07-u2l;. 75 computed i n o rd e r to make more a c c u ra te com parisons o f a s tu d e n t's o b ta in e d sc o re s on d i f f e r e n t t o p i c s . The r e l i a b i l i t y and th e s ta n d a rd e r r o r o f th e r a t i n g s f o r each to p ic and f o r th e t o t a l a re shown below as computed by E b e l's p ro c e d u re : S tan d ard E rro r R e lia b ility Topic 1 Topic 2 Topic 3 3.2031 3.^583 2.511L6 .80 .77 .91 T o ta l 3.1203 .83 In o rd e r to compare two o b ta in e d sc o re s f o r th e same s t u d e n t, i t was n e c e ssa ry to compute th e sta n d a rd e r r o r of th e d if f e r e n c e between th o se two o b ta in e d s c o re s —w liich, ac c o rd in g to McNemar, i s found by m u ltip ly in g th e s ta n d a rd e r r o r o f th e o b ta in ed sc o re by th e sq u a re ro o t of tw o. F u rth e rm o re , t h i s p ro d u ct m u ltip lie d by 1 .9 6 p ro v id es th e d if fe re n c e ( a t th e 5 p e r c e n t le v e l o f co n fid en ce) between two o b ta in e d sc o re s wliich i s more th a n i s to be ex p ected on th e b a s is o f ch an ce, i . e . , on th e b a s is o f th e u n r e l i a b i l i t y o f th e s c o r e s . 5 In o rd e r to o b ta in as a c c u ra te an e s tim a te as p o s s ib le o f s i g n i f i c a n t d if f e r e n c e s between th e sc o re s o f a s tu d e n t's p ap ers on two d i f f e r e n t t o p ic s , th e s ta n d a rd e r r o r o f d if f e r e n c e between two o b ta in e d sc o re s was computed f o r th e t o t a l number o f r a tin g s in v o lv e d in t h i s s tu d y . And a g a in , in o rd e r to o b ta in as a c c u ra te an e s tim a te as p o s s i b l e , th e s ta n d a rd e r r o r o f th e d if f e r e n c e between two o b ta in ed sc o re s on th e same to p ic was computed f o r each to p ic s e p a r a te ly —sin c e th e re were some d if f e r e n c e s 5 . Quinn McNemar, P s y c h o lo g ic a l S t a t i s t i c s , John W iley and Sons, New York, 19h9, p . 130. 76 b e tw e e n th e r e l i a b i l i t i e s o f th e r a t i n g s f o r th e p a p e r s on d i f f e r e n t to p ic s . E ach r a t e r r e c o r d e d a t o t a l s c o r e f o r e a c h p a p e r i n w hole u n i t s , The o b t a i n e d s c o r e s f o r a l l b u t l i t o f th e 320 p a p e r s w ere com puted b y a v e r a g in g t h e s c o r e s a s s i g n e d b y two r a t e r s ; t h u s t h e o b ta in e d s c o r e s f o r m o st o f th e p a p e r s w ere e i t h e r i n w hole o r h a l f u n i t s . T h e re -was a d i s c r e p a n c y o f m ore th a n f i v e p o i n t s b e tw e e n t h e r a t i n g s f o r ll* o f th e 320 p a p e r s . F o r th o s e p a p e rs t h e o b ta in e d s c o r e s w ere com puted b y a v e r a g ­ in g th e r a t i n g s re c o rd e d by a l l th r e e r a t e r s . F o r some o f th o s e p a p e r s th e o b ta i n e d s c o r e s w ere i n o n e - t h i r d o r t w o - t h i r d s u n i t s . S in c e t h e o b ta in e d s c o r e s f o r m o st o f th e p a p e r s w ere i n w hole o r h a l f u n i t s , a n d s i n c e t h e t h e o r e t i c a l d i f f e r e n c e s , n e c e s s a r y t o d e n o te a s i g n i f i c a n t d i f f e r e n c e i n t h e q u a l i t y o f w r i t i n g , w ere i n odd d e c im a ls , t h e minimum d i f f e r e n c e s a c t u a l l y u s e d t o i n d i c a t e a s i g n i f i c a n t d i f f e r e n c e w ere som ewhat g r e a t e r t h a n t h e t h e o r e t i c a l d i f f e r e n c e s i n e a c h c a s e , a s i n d i c a t e d b e lo w f o r e a c h t o p i c an d f o r t h e t o t a l . T h e o r e tic a l D iffe re n c e Minimum D i f f e r e n c e U sed T o p ic 1 T o p ic 2 T o p ic 3 6 .8 8 9 .9 8 9 .0 0 1 0 .0 0 7.0U 7.90 T o ta l 8.69 9 .0 0 T h u s , when a d i f f e r e n c e b e tw ee n a s t u d e n t* s s c o r e s f o r two p a p e r s on T o p ic 1 was fo u n d t o be 9 .0 0 p o i n t s o r m o re , i t seem ed r e a s o n a b l e t o c o n ­ c lu d e t h a t a r e a l d i f f e r e n c e i n t h e q u a l i t y o f h i s w r i t i n g was i n d i c a t e d . L ik e w is e , s u c h a c o n c lu s io n seem ed r e a s o n a b le when a d i f f e r e n c e i n s c o r e s o f 1 0 .0 0 p o i n t s o r m ore was fo u n d b e tw e e n two p a p e r s on T o p ic 2 , and o f 77 7.50 p o in ts o r more betw een two p a p e rs on T opic 3 , and o f 9 .0 0 p o in ts or more betw een two p a p e rs on d i f f e r e n t t o p i c s . Since each s tu d e n t w rote fo u r p a p e rs (two on d i f f e r e n t to p ic s on each o f two d i f f e r e n t d a y s ) , th e re were fo u r p o s s i b i l i t i e s f o r d if fe re n c e s i n th e q u a lity o f a s tu d e n t’ s w r itin g to be n o te d —d if fe re n c e s between th e papers on: 1. 2. 3. It. th e th e th e th e f i r s t to p ic on d i f f e r e n t d a y s , second to p ic on d i f f e r e n t d a y s , f i r s t and second to p ic s on th e f i r s t d ay , and f i r s t and second to p ic s on th e second d ay . With 80 s tu d e n ts in v o lv ed i n t h i s s tu d y , th e re were 320 p a ir s o f p a p e rs— each o f which p ro v id ed an o p p o rtu n ity to n o te a s i g n i f i c a n t d i f f e r e n c e , or v a r i a t i o n , in th e q u a l ity o f w r i tin g . The d if f e r e n c e between th e sc o re s f o r each o f th e fo u r p a ir in g s of p ap ers by each s tu d e n t was computed and ta b u la te d . Then th e d if fe re n c e s wliich equaled o r exceeded th e a p p r o p r ia te minimum d if f e r e n c e , i n each c a s e , were checked (See A ppendix C )—th u s p ro v id in g a b a s is f o r t e s t i n g th e f i r s t th r e e assum ptions posed i n t h i s s tu d y . To t e s t th e f o u r th assu m p tio n , i t was n e c e s s a ry to ra n k th e 80 s tu d e n ts a c co rd in g to t h e i r w ritin g a b i l i t y . Method o f ra n k in g s tu d e n ts ac c o rd in g to w r itin g a b i l i t y . The 80 s tu d e n ts were ranked from h ig h to low—u s in g th e h ig h e s t sco re o b ta in e d by each s tu d e n t o u t o f h is s e t o f fo u r p a p e rs a s a b a s is f o r th e ra n k in g . The p re s e n t w r i t e r re c o g n iz e s t li a t to use th e av erag e of th e fo u r sc o re s a s an in d e x f o r ra n k in g th e s tu d e n ts would r e s u l t i n g r e a te r s t a b i l i t y , te n d in g to red u ce th e e f f e c t o f th e e r r o r in r a t i n g s . 78 On th e o th e r h an d , i f th e s c o re s on a l l fo u r pap ers were averaged in o rd er to o b ta in an in d e x f o r ra n k in g s t u d e n t s , a number o f stu d e n ts m ight f a l l a t th e same r a n k , even though t h e i r b e s t p ap ers were q u ite d i f f e r e n t i n q u a l ity . S in ce th e s c o re on each p ap e r was an average o f th e r a tin g s re p o rte d by two o r th r e e r a t e r s , th e p ro c e s s o f av e ra g in g th e sc o re s on th e fo u r p a p e rs by each s tu d e n t, i n o rd e r to o b ta in an ind ex o f h is r a n k , would seem to r e s t r i c t th e u s e fu ln e s s o f such ra n k in g f o r t h i s s tu d y . In f a c t , when a l l f o u r p ap ers by each s tu d e n t were a v e ra g ed , a s many a s e ig h t s tu d e n ts f e l l a t th e same ran k a t two d i f f e r e n t p o in ts . The method used f o r ra n k in g th e sb u d e n ts should be c o n s is te n t w ith th e b a s ic assum ptions of t h i s s tu d y . As p re v io u s ly in d ic a te d , th e p r a c tic e of u t i l i z i n g a s in g le theme a s a r e p r e s e n ta tiv e sam ple o f a s tu d e n t's w r itin g a b i l i t y f o r th e p u rp o se o f e v a lu a tin g s tu d e n t acliievem ent assumes tlia t th e re a re no s i g n i f i c a n t v a r ia tio n s i n th e q u a lity o f a s tu d e n t's w r itin g from day to day o r from to p ic to t o p i c . I t a ls o assumes t h a t such s t a b i l i t y of w r itin g perform ance i s tr u e f o r a l l s tu d e n ts , r e g a r d le s s o f v a r ia tio n s i n a b i l i t y . I f such assum ptions were v a l i d , i t would make l i t t l e d if fe re n c e w hether s tu d e n ts were ranked a c c o rd in g to th e h ig h e s t sc o re o b ta in e d , o r ac co rd in g to th e av erag e o f a l l fo u r s c o re s — sin c e th e o n ly v a r ia tio n s t h a t would occur would be due e n t i r e l y to e r r o r s in r a t i n g . A lso , such v a r ia tio n s would occur j u s t a s f r e q u e n tly f o r th e weak s tu d e n ts a s f o r th e s tro n g s t u d e n t s . In t h i s s tu d y , how ever, i t i s contended t h a t such assum ptions may be f a l s e —t h a t s i g n i f i c a n t v a r ia tio n s in th e q u a lity o f a s tu d e n t's w r itin g 79 may o c c u r n o t o n ly fro m d ay t o d a y an d from t o p i c t o t o p i c , b u t t h a t su ch v a r i a t i o n s may o c c u r more f r e q u e n t l y f o r s t r o n g s t u d e n t s t h a n f o r weak s t u d e n t s . I t i s c o n te n d e d f o r e x a m p le , t h a t i f o n ly one t o p i c i s d i s c o n c e r t i n g t o a s t u d e n t , a n d h i s e f f i c i e n c y l e v e l i s a t a low p o i n t on th e f i r s t d ay b u t a t a h ig h p o i n t on th e se c o n d d a y , on t h e l a t t e r day h e may p r o ­ duce one p a p e r o f h ig h q u a l i t y an d one som ew hat lo w e r i n q u a l i t y . H is two p a p e r s o n t h e f i r s t d a y m ig h t be q u i t e low i n q u a l i t y i n c o m p a ris o n w ith h i s b e s t p a p e r . The s c o r e on t h a t b e s t p a p e r s h o u ld be i n d i c a t i v e o f t h e s t u d e n t 's w r i t i n g a b i l i t y u n d e r t h e m ost f a v o r a b l e c ir c u m s ta n c e s . On t h e o t h e r h a n d , t h e a v e ra g e o f th e s c o r e s on a l l f o u r o f h i s p a p e r s w ould p r o v id e a n e s t im a t e o f h i s a c h ie v e m e n t c o n s i d e r a b l y b e lo w t h a t p r o v id e d b y t h e s c o r e on h i s b e s t p a p e r — an d som ew hat above t h a t p r o v id e d by th e s c o r e on h i s p o o r e s t p a p e r . Thus t h e u s e o f t h e s t u d e n t 's h i g h e s t s c o r e , a s a m ethod o f r a n k i n g , w ould l i k e l y p ro d u c e some d i s t o r t i o n due t o e r r o r i n th e r a t i n g s j w h ile t h e u s e o f t h e a v e ra g e o f a l l f o u r s c o r e s w ould p ro d u c e some d i s t o r t i o n due t o v a r i a t i o n s i n p e rf o r m a n c e . I t seem ed a d v i s a b l e , t h e r e f o r e , to r a n k t h e s t u d e n t s by b o th m ethods i n o r d e r t o p r o v id e a c h e c k on b o th ty p e s o f d i s t o r t i o n . E f f e c t o f Com bined F a c to r s W ith t h e d i f f e r e n c e s b e tw ee n t h e s c o r e s o f t h e f o u r p a i r i n g s o f p a p e r s by e a c h s t u d e n t com puted a n d t a b u l a t e d ( s e e A p p e n d ix C) , a n d w ith t h e s t u d e n t s ra n k e d a c c o r d in g t o t h e two m ethods d e s c r i b e d a b o v e , i t was p o s s i b l e t o d e te rm in e w h e th e r t h e u se o f a s i n g l e p a p e r w r i t t e n by a 80 s tu d e n t on a g iv en to p ic a t a p a r t i c u l a r tim e p ro v id e s a v a lid b a s is f o r e v a lu a tin g h is achievem ent i n a w r itin g co u rse a t any tim e . In o rd e r to a r r i v e a t t h a t d e te rm in a tio n , i t was n e c e s s a ry to examine th e fre q u e n c y and th e d eg ree o f s i g n i f i c a n t v a r ia tio n s i n th e q u a l ity o f w rit in g f o r th e t o t a l group o f 80 s tu d e n ts , which r e s u l t e d from th e com bination of f a c t o r s in v o lv ed i n t h i s stu d y — c o n te n t, e f f i c i e n c y , and p r e s s u r e . T o ta l g ro u p . I n r e l a t i o n to fre q u e n c y , th e r e were 86 s i g n i f i c a n t v a r i a ­ tio n s i n q u a l i t y o f w r itin g o u t o f 320 o p p o r tu n itie s f o r su ch v a r ia tio n s to o c c u r. S ince th e s ta n d a rd e r r o r o f th e d if f e r e n c e betw een two o b ta in e d sc o re s was computed a t th e 5 per* c e n t le v e l o f c o n fid e n c e , no more th a n 15 such v a r i a t i o n s co u ld be ex p e cte d as a r e s u l t o f th e u n r e l i a b i l i t y of th e r a t i n g s . These 86 v a r ia tio n s were d i s t r i b u t e d among k 7 , o r over 58 p er c e n t, o f th e 80 s tu d e n ts in v o lv e d in t h i s s tu d y . I n r e l a t i o n to d e g re e , th e average o f th e v a r i a t i o n s in ex c ess o f th e d if f e r e n c e a t t r i b u t e d t o e r r o r in r a t i n g s was f o u r p o in ts —w hich was eq u al to th e average improvement shown, i n a p re v io u s s tu d y by th e w r i t e r , f o r s t u ­ d e n ts d u rin g a y e a r 's t r a i n i n g i n th e W ritte n and Spoken E n g lish c o u rse . A ls o , a l e t t e r - g r a d e d i s t r i b u t i o n o f th e sc o re s in d ic a te d t h a t 50 v a r ia tio n s o f two o r more l e t t e r g rad es p ro b a b ly were due to s i g n i f i c a n t v a r ia tio n s i n th e q u a lity o f w r i t i n g . (See A ppendix E ) . E f f e c t o f combined f a c t o r s on s tro n g and weak s t u d e n t s . The 80 s tu d e n ts were ranked by two m ethods—by u s in g th e h ig h e s t sc o re f o r each s tu d e n t, ana by u s in g th e av erag e o f th e fo u r s c o re s f o r each s tu d e n t. A f te r ran k ­ in g th e s tu d e n ts by th e f i r s t m ethod, a r e - ra n k in g by th e second method r e s u l t e d i n th e s h i f t i n g o f o n ly fo u r s tu d e n ts from th e to p iiO to th e low ^ 0 . However, o n ly 11 o f th e to p 20 rem ained i n t h a t g ro u p . On th e 81 o th e r hand, 15 o f th e low 20 rem ained in th e same group. These s l i i f t s in ran k p ro v id e some evidence in d ic a tin g g r e a te r v a r ia tio n s in th e q u a lity o f w r itin g f o r th e s tr o n g s tu d e n ts th a n f o r th e weak s t u d e n t s . Comparing th e to p 20 s tu d e n ts w ith th e low 20 s tu d e n ts , by both methods o f ra n k in g , produced th e fo llo w in g fre q u e n c ie s o f s i g n i f i c a n t v a r ia tio n s : Top 20 U sing th e Using th e h ig h e s t s c o re : av erag e s c o re : 36 22 Low 20 8 11 Comparing th e to p 1+0 s tu d e n ts w ith th e low 1+0 s tu d e n ts , by b o th methods o f ra n k in g , produced th e fo llo w in g fre q u e n c ie s o f s i g n i f i c a n t v a ria tio n s : U sing th e U sing th e h ig h e s t s c o re : average s c o re : Top 1+0 63 55 Low 1+0 23 31 I t should be noted t h a t when th e av erag e sc o re i s used f o r ra n k in g th e s tu d e n ts , th e d if f e r e n c e betw een th e fre q u en cy o f s i g n i f i c a n t v a r i ­ a tio n s f o r th e to p group and th e low group i s re d u c e d . A p p aren tly t h i s re d u c tio n i s th e r e s u l t o f th e av e ra g in g p ro c e s s —sin c e th e method of averages n o t o nly te n d s to reduce th e range o f sc o re s f o r th e e n t ir e group b ut i t a ls o te n d s to c a n c e l o u t th e r e a l d if f e r e n c e s t h a t may e x i s t b e ­ tween p ap ers by th e same s tu d e n t. T h e re fo re , i t seems t h a t th e use o f th e iiig h e s t sc o re by each s tu d e n t to determ ine h is ran k i s j u s t i f i e d f o r the purpose o f a n a ly z in g th e d if f e r e n c e s betw een s tro n g and weak s t u d e n t s . Thus, a c c o rd in g to th e d a ta given above, s i g n i f i c a n t v a r ia tio n s i n th e q u a lity o f w r itin g o cc u rred ab o u t th r e e tim es a s o f te n among th e top 1+0 s tu d e n ts a s among th e low 1+0. F or th e top 20 and th e low 20 , th e r a t i o 82 i s even la r g e r i n th e same d i r e c t i o n . (Appendix D shows th e d i s t r i b u ­ tio n f o r each g ro u p .) A more m ean in g fu l i n t e r p r e t a t i o n i s p ro v id e d by exam ining th e 50 v a r ia tio n s o f two o r more l e t t e r g ra d e s . Of t h e s e , uO s tu d e n ts w h ile o n ly seven were among th e low iiO. I t I4.3 were amongth e to p seems re a s o n a b le to conclude t h a t v a r i a t i o n s i n th e q u a lity o f w r itin g o ccu r n o t o n ly more f r e q u e n tly b u t to a g r e a te r d eg ree f o r th e s tro n g s tu d e n ts th a n f o r th e weak s tu d e n ts . A nother m ean in g fu l apjjroach i s to determ in e th e number o f s tu d e n ts having v a r ia tio n s o f two o r more l e t t e r g ra d e s , and th e freq u en cy o f such o cc u rren c es r e l a t i v e t o th e s tr o n g and weak s t u d e n t s . A t o t a l o f 31 s tu d e n ts had v a r ia tio n s o f two o r more l e t t e r g r a d e s . Of th e s e 31 s t u d e n ts , 2S were among th e to p AO s tu d e n ts , w h ile o n ly s i x were among th e low hO. Of th e 25 s tu d e n ts i n th e o u t of fo u r p o s s i b i l i t i e s . to p I4O, 15 had two o r more such v a r ia tio n s Of th e s i x s tu d e n ts in th e low hO, o nly two had two or more such v a r i a t i o n s . In view o f th e v a r i a t i o n s noted in th e q u a lity o f w ritin g f o r over 58 p er c e n t o f th e s tu d e n ts in v o lv e d , and in view o f th e f a c t t h a t th o se v a r ia tio n s appeared more f r e q u e n tly and to a g r e a te r d eg ree f o r s tu d e n ts who ranked above th e m edian th a n f o r th o s e below th e median i n w r itin g a b i l i t y , i t seems re a s o n a b le to conclude t h a t a s in g le p ap er w r itte n by a s tu d e n t on a g iv e n to p ic a t a p a r t i c u l a r tim e can n o t be co n sid e re d as a v a lid b a s is f o r e v a lu a tin g h i s achievem ent i n a w r itin g cou rse a t any tim e , u n le s s t h a t s tu d e n t* s w r itin g a b i l i t y was r a t h e r low; an d , even 63 th e n , a s in g le p a p e r would n o t p ro v id e an i n f a l l i b l e b a s i s f o r such an e v a lu a tio n . C o m p a ra b ility o f C o n ten t F a c to rs and V a r ia tio n s i n E ffic ie n c y A lthough th e ev id en ce p re s e n te d above c o n tr a d ic ts th e assu m p tion t h a t a s in g le p ap e r can be used f o r e v a lu a tin g s tu d e n t achievem ent i n w r itin g , no evidence was p re s e n te d co n cern in g each o f th e f i r s t th r e e assum ptions in v o lv e d . I n each o f th o s e tlire e a ssu m p tio n s , a p o s s ib le source o f v a r ia tio n s i n th e q u a lity o f s tu d e n t w r itin g was i d e n t i f i e d : l ) C ontent f a c t o r s —from d i f f e r e n t t o p i c s , 2) v a r ia tio n s in e f f ic ie n c y on d i f f e r e n t d a y s , and 3 ) th e p s y c h o lo g ic a l p r e s s u r e o f an ex am in atio n s itu a tio n . S ince a l l 60 s tu d e n ts w rote on two d i f f e r e n t to p ic s on each o f two d i f f e r e n t d a y s , a b a s is was p ro v id ed f o r d e te rm in in g th e c o m p a ra b ility o f c o n te n t f a c t o r s and o v e r - a l l v a r ia tio n s in e f f i c i e n c y as so u rc e s o f th e v a r ia tio n s i n th e q u a lity o f t h e i r w r itin g wliich were n o ted a b o v e . (The use o f a l l f o u r groups f o r t h i s purpose n e c e s s a r ily in c lu d e d th e p r e s s u r e f a c t o r under th e v a r ia tio n s i n e f f ic ie n c y and in c lu d e d b o th s im ila r and d i s s i m i l a r to p ic s under c o n te n t f a c t o r s . S e p a ra te t e s t s i s o l a t i n g th e p r e s s u r e f a c t o r and i s o l a t i n g s im ila r and d is s im il a r to p ic s a re p re s e n te d l a t e r . ) I f i t i s assumed t h a t d i f f e r e n t e f f ic ie n c y le v e ls and d i f f e r e n t c o n te n t f a c t o r s have com parable e f f e c t s on th e v a r i a b i l i t y i n th e q u a lity of s tu d e n t w r i t i n g , th e ex p ected fre q u en cy o f s i g n i f i c a n t v a r ia tio n s i n th e q u a l ity o f w r itin g from each o f th e s e so u rc e s would be ab o u t th e same. 81* L ik e w ise , i f it. i s assumed t h a t h ig h and low ra n k in g s tu d e n ts have com­ p a ra b le v a r i a t i o n s i n th e q u a l ity o f t h e i r w r itin g from day to day and from to p ic t o t o p i c , th e ex p ected fre q u e n c y o f s i g n i f i c a n t v a r ia tio n s i n th e q u a lity o f w r itin g by h ig h and low ra n k in g s tu d e n ts would be about th e sam e. T h e r e f o re , to t e s t th e assum ption c o n c ern in g so u rc e s o f v a r i a t i o n , i t was n e c e s s a ry to d eterm in e w hether th e d if f e r e n c e betw een th e observed and th e ex p e cte d fre q u e n c ie s o f s i g n i f i c a n t v a r ia tio n s from d i f f e r e n t e f f ic ie n c y le v e l s and d i f f e r e n t c o n te n t f a c t o r s may have been due to chance o r due to r e a l d if f e r e n c e s betw een th e e f f e c t s o f th e two s o u r c e s . L ik e w ise , to t e s t th e assum ption co n cern in g h ig h and low ra n k in g s tu d e n ts , i t was n e c e s s a ry t o d eterm in e w hether th e d if f e r e n c e in th e observed and th e exp ected fre q u e n c ie s o f s i g n i f i c a n t v a r i a t i o n s f o r th e h ig h and low ra n k in g s tu d e n ts may have been due to chance o r due to r e a l d if f e r e n c e s in th e v a r i a b i l i t y o f t h e i r w r itin g . By ta b u la t in g th e observed freq u en cy o f s i g n i f i c a n t v a r ia tio n s i n th e q u a l ity o f w r itin g betw een days on th e same to p ic s and betw een to p ic s on th e same d a y s , f o r th e h igh and low ra n k in g s tu d e n ts s e p a r a te ly , i t was p o s s ib le to ap p ly th e c h i-s q u a re t e s t ^ to d eterm in e th e c o m p a ra b ility o f th e s e two so u rce s o f v a r ia tio n in r e l a t i o n t o s tu d e n t w r itin g a b i l i t y . The ta b u l a t i o n o f th o se observed fre q u e n c ie s i s shown below* 6 . (The m ost a p p r o p r ia te s t a t i s t i c a l t e s t f o r h y p o th eses co n cern in g fre q u e n c y d i s t r i b u t i o n s when each c l a s s i f i c a t i o n o r c a te g o ry i s d ichotom o u s.) L in d q u is t, 0£ . c i t . , p p . 33-U 7. 85 Between Days Between T opics Combined T o ta ls High 20 Low 20 17 1* 19 1* 36 8 High 1*0 Low 1*0 35 28 12 11 63 23 T o ta l group 1*7 39 86 T o ta l g ro u p . The freq u en cy o f s i g n i f i c a n t v a r ia tio n s to t a l e d 86 f o r both so u rces o f v a r i a b i l i t y . I f th e two so u rce s were com parable, th e expected fre q u e n c ie s would be 1*3 f o r each s o u rc e . A c tu a lly , th e re were 1*7 s i g n i f i c a n t v a r ia tio n s betw een days on th e same to p ic s and 39 betw een to p ic s on th e same d a y s. A p p lic a tio n o f th e c h i-s q u a re t e s t in d ic a t e d , a t th e 5 p e r c e n t le v e l of c o n fid e n c e , t h a t th e observed fre q u e n c ie s f o r th e two sources were n o t s i g n i f i c a n t l y d i f f e r e n t from th e ex p ected f r e ­ q u e n c ie s. T h e re fo re , i t seems re a so n a b le to conclude t h a t th e two so u rces were re s p o n s ib le f o r com parable v a r ia tio n s in th e q u a lity o f s tu d e n t w r itin g . S tro n g and weak s tu d e n ts . L ik ew ise, th e expected fre q u e n c ie s f o r th e hig h 1*0 and th e low 1*0 would be 1*3 f o r each group. quencies were 63 and 23, r e s p e c tiv e ly . The observed f r e ­ A p p lic a tio n of th e c h i-s q u a re t e s t in d ic a te d t h a t th e d if fe re n c e betw een th e observed and th e expected f r e ­ quencies was s i g n i f i c a n t a t th e 1 p er c e n t le v e l o f c o n fid e n c e . In a li k e m anner, a p p lic a tio n o f th e c h i-s q u a re t e s t to th e fre q u e n c ie s o f h ig h and low ra n k in g s tu d e n ts f o r each o f th e so u rc e s s e p a r a te ly , in d ic a te d a t th e 1 p e r c e n t le v e l t h a t th e d if f e r e n c e betw een th e observed and ex p ected fre q u e n c ie s was s i g n i f i c a n t in each c a s e . T h e re fo re , th e assum ption th a t v a r ia tio n s in th e q u a lity o f w r itin g by h ig h and low s tu d e n ts a re com­ p a ra b le can be r e j e c t e d . 86 C o m p arab ility o f S im ila r and D is s im ila r T opics A lthough th e ev id en ce p re s e n te d above in d ic a te d tlia t c o n te n t f a c t o r s and v a r ia tio n s i n e f f ic ie n c y a re e q u a lly re s p o n s ib le f o r v a r ia tio n s i n th e q u a lity o f s tu d e n t w r i tin g , th e c o n te n t f a c t o r s in v o lv ed b o th s im ila r and d is s im il a r t o p i c s . Since groups A and C w rote on s im ila r t o p i c s , w hile groups B and D w rote on d is s im il a r t o p i c s , i t was p o s s ib le to n o te th e fre q u e n c y o f s i g n i f i c a n t v a r ia tio n s in th e q u a lity o f w ritin g due to each s e t o f t o p i c s . T hus, i f i t i s assumed t h a t s im ila r and d is s im ila r to p ic s have com­ p a ra b le e f f e c t s on th e v a r i a b i l i t y i n th e q u a lity o f s tu d e n t w r i tin g , th e expected fre q u e n c y o f s i g n i f i c a n t v a r ia tio n s f o r each s e t o f to p ic s would be ab o u t th e same. L ik e w ise , i f i t i s assumed t h a t h ig h and low ra n k in g s tu d e n ts have com parable v a r ia tio n s in th e q u a lity o f t h e i r w r itin g on s im ila r and d is s im il a r t o p i c s , r e s p e c tiv e ly , th e expected fre q u e n c ie s o f s i g n i f i c a n t v a r ia tio n s f o r h igh and low ra n k in g s tu d e n ts would be about th e same. T h e re fo re , a s i n th e p re c e d in g s e c tio n , to t e s t each o f th e s e assump tio n s i t was n e c e ss a ry to d eterm in e w hether th e d if fe re n c e betw een th e observed and th e ex p ected f r e q u e n c ie s , in each c a s e , may liave been due to chance o r due to a r e a l d if f e r e n c e i n th e f a c to r s in v o lv e d . By ta b u la t in g th e observed fre q u e n c ie s of s i g n i f i c a n t v a r ia tio n s in th e q u a l ity o f w r itin g on s im ila r to p ic s and on d is s im ila r t o p i c s , f o r th e h ig h and low ra n k in g s tu d e n ts s e p a r a te ly , ag a in i t was p o s s ib le to ap p ly th e c h i-s q u a re t e s t to d eterm in e th e c o m p a ra b ility o f s im ila r and d is s im il a r to p ic s i n r e l a t i o n to s tu d e n t w ritin g a b i l i t y . The £ 87 t a b u la tio n o f th o s e observed fre q u e n c ie s a r e shown below : D is s im ila r Topics S im ila r T opics Combined T o ta ls 9 19 1 10 0 High hO Low i|0 15 13 28 10 1 11 T o ta l group 25 1U 39 High 20 Low 20 T o ta l g ro u p . 1 The fre q u en cy o f s i g n i f i c a n t v a r ia tio n s t o t a l e d 39 f o r b o th s im ila r and d is s im il a r to p ic s . I f th e s e two s e ts o f to p ic s produced com parable v a r ia tio n s in th e q u a lity o f w r itin g , th e expected fre q u e n c ie s would be 19 1 /2 f o r each s e t . The observed fre q u e n c ie s were 25 f o r d i s ­ s im ila r to p ic s and lU f o r s im ila r t o p i c s . A p p lic a tio n o f th e c h i-sq u a re t e s t in d ic a te d t h a t th e d if f e r e n c e between th e o bserved and ex p ected f r e ­ quencies was n o t s i g n i f i c a n t a t th e 5 p a r c e n t le v e l o f c o n fid e n c e . T h e re fo re , th e assum ption t h a t s im ila r and d is s im il a r to p ic s have compar­ a b le e f f e c t s on th e v a r i a b i l i t y in th e q u a lity o f s tu d e n t w r itin g cannot be r e j e c t e d . S tro n g and weak s tu d e n ts . However, th e tre n d o f fre q u e n c ie s from h ig h to low ra n k in g s tu d e n ts su g g e sts t h a t a lth o u g h th e re was no s i g n i f i c a n t d i f f e r ­ ence i n th e fre q u e n c ie s o f 1 5 and 13 on d is s im ila r and s im ila r t o p i c s , r e ­ s p e c tiv e ly , f o r th e h ig h hOt th e re was a d if f e r e n c e i n th e r e s p e c tiv e A lso , f o r th e d is s im ila r t o p ic s , M* fre q u e n c ie s o f 10 and 1 f o r th e low UO. th e fre q u e n c ie s f o r th e h ig h UO and th e low liO were 15 and 1 0 , r e s p e c tiv e ly w h ile on th e s im ila r to p ic s th e fre q u e n c ie s were 13 and 1 , r e s p e c tiv e ly — 88 aH ° f w h ic h s u g g e s t s t h a t d i s s i m i l a r t o p i c s d i d a c c o u n t f o r a c o n s i d e r ­ a b le num ber o f s i g n i f i c a n t v a r i a t i o n s f o r t h e w eak er s t u d e n t s , w h ile th e s im ila r to p ic s d id n o t. T liis i n t e r p r e t a t i o n was su p p o rte d by th e a p p l ic a tio n o f th e c h i-sq u a re t e s t to th e f re q u e n c ie s on d i s s i m i l a r to p ic s (1 5 and 1 0 ) , and to th e combined fre q u e n c ie s (28 and l l ) f o r th e h ig h iiO and th e low UO, re sp e c ­ tiv e ly . For th e f re q u e n c ie s on d i s s i m i l a r t o p i c s , th e c h i-s q u a re found was n o t s i g n i f i c a n t even a t th e 30 p e r c e n t le v e l o f c o n fid e n c e . Y e t, f o r th e combined f r e q u e n c i e s , th e c h i-s q u a re found was s i g n i f i c a n t a t th e 1 per cent le v e l. T h e re fo re , i t seems re a s o n a b le to conclude t h a t s im ila r and d is s im il a r to p ic s were ab o u t e q u a lly r e s p o n s ib le f o r s i g n i f i c a n t v a r ia tio n s in th e q u a lity o f w r itin g by th e b e t t e r s t u d e n t s , w h ile o nly th e d is s im il a r to p ic s were r e s p o n s ib le f o r s i g n i f i c a n t v a r ia tio n s i n th e q u a lity o f w r itin g by th e w eaker s t u d e n t s . E f f e c t o f th e P re s s u re F a c to r As p r e v i o u s l y s t a t e d , t h e t e s t f o r t h e c o m p a r a b i l it y o f c o n te n t f a c t o r s a n d v a r i a t i o n s i n e f f i c i e n c y i n c l u d e d th e p s y c h o l o g ic a l p r e s s u r e a s a n e le m e n t i n th e e f f i c i e n c y f a c t o r . The t h i r d assum ption s t a t e s t h a t th e p s y c h o lo g ic a l p re s s u re i n t r o ­ duced by th e ex am in atio n s i t u a t i o n has no ad v e rse e f f e c t on th e q u a lity o f a s tu d e n t’s w r i t i n g . In o rd e r to t e s t t h a t assu m p tio n , i t was n e c e ssa ry to compare th e q u a l i t y o f w r itin g by in d iv id u a l s tu d e n ts who w rote w ith o u t p re s s u re on one day and w ith p r e s s u r e on a n o th e r day and th e n to compare th o se r e s u l t s w ith c o n tr o l s tu d e n ts who w rote on b o th days w ith o u t p r e s s u r e . 89 I f th e p r e s s u r e f a c t o r had no a d v e rs e e f f e c t , th e n th e r e sh o u ld be no more l o s s e s and no few er g a in s i n s c o r e s , from th e f i r s t to th e second d a y , f o r th e p r e s s u r e s tu d e n ts tlian f o r th e n o n -p re ssu re s tu d e n ts . In o th e r w ords, i f i t i s assumed t li a t th e p re s s u re f a c t o r has no a d v e rse e f f e c t on th e q u a lity o f w r i t i n g , th e n th e ex p ected fre q u e n c ie s o f s i g n i f i ­ c a n t g ain s and lo s s e s in sc o re s from th e f i r s t to th e second day should be ab o u t th e same f o r th e p r e s s u r e g ro u p s , C and D, a s f o r th e n o n -p re ssu re g ro u p s, A and B. L ik e w ise , i f i t i s assumed t h a t th e h ig h and low ra n k in g s tu d e n ts have com parable v a r ia tio n s i n th e q u a l ity o f t h e i r w r itin g w ith and w ith o u t th e p re s s u re f a c t o r , th e ex p ected fre q u e n c ie s o f s i g n i f i c a n t g ain s and lo s s e s i n th e q u a l i t y o f w r itin g by th e h ig h and low ra n k in g s tu d e n ts sh o u ld be ab o u t th e sam e. T h u s, a g a in , to t e s t th e s e two assu m p tio n s i t was n e c e ss a ry to de­ te rm in e w hether th e d if f e r e n c e betw een th e observed and th e ex p e cte d f r e ­ q u e n c ie s , in each c a s e , may have been due to chance o r due to r e a l d i f f e r ­ ences in th e f a c t o r s in v o lv e d . By ta b u la t in g th e o bserved fre q u e n c ie s o f g a in s and lo s s e s f o r non­ p re s s u re groups A and B and th e p r e s s u r e groups C and D, d iv id e d betw een th e high and low ra n k in g s tu d e n ts , i t was p o s s ib le to ap p ly th e c h i-s q u a re t e s t to d eterm in e w h eth er th e d if f e r e n c e betw een observed and ex p ected fre q u e n c ie s were due to chance o r due to th e f a c t o r s in v o lv e d . l a t i o n o f th o s e o bserved fre q u e n c ie s i s shown below : The ta b u ­ 90 N o n -p re s s u re G roups A and B G ains High UO & L o sse s 2 17 5 13 22 5 7 3 17 6 15 10 2l+ 23 25 U7 Low UO T o t a l g ro u p : P re ssu re G roups C and D H igh LO Low ItO T o t a l g ro u p G rand T o ta l T o t a l g ro u p . 11 Com bined G ains an d L o s s e s 10 E x a m in a tio n o f t h e t o t a l f r e q u e n c i e s s u p p o r ts t h e a s s u m p tio n t h a t th e f r e q u e n c i e s o f g a in s s h o u ld be no fe w e r a n d th e f r e q u e n c y o f l o s s e s no m ore f o r th e p r e s s u r e groups th a n f o r t h e n o n - p r e s s u r e g r o u p s . Of th e grand t o t a l o f 2h g a in s , 15 were by th e p re s s u re group and 9 by th e n o n -p re ssu re group. Of th e grand t o t a l o f 23 l o s s e s , o n ly te n were by th e p r e s s u r e g ro u p s, w h ile 13 were oy th e n o n -p re ssu re g ro u p s. A lthough th e d a ta in d ic a te a tre n d o f more lo s s e s th a n g a in s by th e n o n -p re ssu re groups on th e second d ay , and more g ain s th a n lo s s e s by th e p re s s u re groups on th e second d a y , a p p lic a tio n o f th e c h i-s q u a re t e s t in d ic a t e d , a t th e 5 p er c e n t l e v e l , t h a t th e se observed d if fe re n c e s were no g r e a te r th a n would be exp ected by ch a n c e . The d a ta m erely su g g e st t h a t a la r g e r sample m ight s u b s t a n tia te th e tre n d s in d ic a te d . T h e re fo re , i t seems re a so n a b le to conclude t h a t th e p sy c h o lo g ic a l p re s s u re of th e exam ination i s n o t l i k e l y to have an ad v erse e f f e c t on th e q u a lity o f w r itin g b y a number of s tu d e n ts . S tr o n g and weak s t u d e n t s . The f r e q u e n c i e s o f s i g n i f i c a n t g a in s and l o s s e s f o r th e low r a n k i n g s t u d e n t s i n b o th t h e p r e s s u r e a n d n o n - p r e s s u r e g ro u p s 91 w ere to o s m a ll f o r a p p l i c a t i o n o f t h e c h i - s q u a r e t e s t . H ow ever, th e t r e n d s f o r t h e h i g h and lo w r a n k i n g s t u d e n t s i n b o t h g ro u p s a r e q u i t e s i m i l a r t o th o s e f o r th e t o t a l g r o u p . : T h e r e f o r e , i t seem s r e a s o n a b l e t o c o n c lu d e t h a t t h e p r e s s u r e o f th e e x a m in a tio n h ad l i t t l e e i t h e r h ig h o r lo w r a n k i n g s t u d e n t s . o r no e f f e c t on CHAPTER VI SUMMARY, CONCLUSIONS, AND IMPLICATIONS Summary. The p u rp o s e o f t h i s t h e s i s was t o d e te rm in e w h e th e r a s i n g l e p a p e r w r i t t e n b y a s t u d e n t on a g iv e n t o p i c a t a p a r t i c u l a r tim e c an b e c o n s id e r e d a s a r e p r e s e n t a t i v e sam ple o f h i s w r i t i n g a b i l i t y — and th u s p r o v id e a v a l i d b a s i s f o r e v a l u a t i n g a b i l i t y a t any tim e i n a w r i t i n g c o u rse . F o r t h a t p u r p o s e , i t was n e c e s s a r y t o t e s t th e f o llo w in g f o u r b a s i c a s s u m p tio n s in v o lv e d i n t h e u s e o f a s i n g l e p a p e r f o r e v a l u a t i n g a s t u ­ d e n t ’ s w r i t i n g a b i l i t y — t h e a s s u m p tio n s t h a t : 1. a n y g iv e n t o p i c p r o v id e s t h e same s tim u lu s a s any o t h e r t o p i c , 2. a n y g iv e n t o p i c e l i c i t s c o n s t a n t r e s p o n s e s a t d i f f e r e n t t i m e s , 3. t h e p s y c h o l o g ic a l p r e s s u r e i n tr o d u c e d b y a n e x a m in a tio n s i t u ­ a t i o n lias no a d v e r s e a f f e c t on t h e q u a l i t y o f w r i t i n g , and h. th e q u a l i t y o f w r i t i n g i s s t a b l e from t o p i c t o t o p i c and from tim e t o tim e f o r a n y s t u d e n t To re g a rd le s s o f h is w ritin g a b i l i t y . t e s t t h e f i r s t a s s u m p tio n , i t was n e c e s s a r y t o d e te rm in e w h e th e r th e a s s ig n m e n t o f d i f f e r e n t t o p i c s d u r in g t h e same p e r i o d h a s an y e f f e c t on th e q u a l i t y o f w r i t i n g . To t e s t th e s e c o n d a s s u m p tio n , i t was n e c e s s a r y t o d e te rm in e w h e th er t h e a s s ig n m e n t o f th e same t o p i c on d i f f e r e n t d a y s h a s any e f f e c t on w r i t ­ in g q u a lity . 93 To t e s t th e t h i r d assu m p tio n , i t was n e c e ssa ry to determ ine w hether th e assignm ent of th e same t o p i c s , w ith and w ith o u t th e p re s s u re o f an e lim in a tio n , has any e f f e c t on th e q u a lity o f w r itin g . To t e s t th e f o u r th assum ption i t was n e c e ssa ry to ran k th e s tu d e n ts acco rd in g to t h e i r w r itin g a b i l i t y and to d eterm in e whether th e frequency a n d /o r th e d eg ree o f v a r ia tio n s in th e q u a lity o f w ritin g d i f f e r s from s tro n g to weak s tu d e n ts . The d a ta f o r t e s t i n g th o se assum ptions were o b ta in e d by h av in g fo u r groups o f s tu d e n ts (tw enty in each g ro u p ), e n ro lle d in th e W ritte n and Spoken E n g lish D epartm ent a t M ichigan S ta te C o lle g e , w rite two p a p e rs on d i f f e r e n t to p ic s on each o f two d i f f e r e n t days.. Two g ro u p s, A and B, w rote under th e same c o n d itio n s on both d ay s—w ith th e u n d ersta n d in g th a t th e r e s u l t s would n o t a f f e c t t h e i r grades f o r the c o u rs e . The o th e r two g ro u p s, C and D, w rote t h e i r two p ap ers on th e f i r s t day under th e same c o n d itio n s as groups A and B. On th e second day, groups C and D were a ssig n e d to w rite p ap ers on th e same two t o p ic s , b u t w ith th e u n d e rsta n d ­ in g t h a t th e grades a s sig n e d th o se p ap ers would count a s a p a r t o f t h e i r f i n a l exam ination f o r th e co u rse . Thus groups A and B provided a b a s is f o r d eterm in in g v a r ia tio n s due to to p ic s on each d a y , a b a s is f o r determ in­ in g v a r ia tio n s in w ritin g due to e f f ic ie n c y v a r ia tio n s from th e f i r s t to th e second day, p ro v id ed a c o n tr o l group f o r d eterm in in g v a r ia tio n s due to th e exam ination p re s su re on groups C and D th e second day. S teps were ta k en to a s su re t h a t th e e v a lu a tio n sco re a ssig n e d each o f th e fo u r pap ers w r itte n by each o f th e 80 s tu d e n ts was as r e l i a b l e and v a lid as could be o b ta in e d w ith c u r r e n t r a t i n g m ethods. These sc o re s were 9k an a ly ze d to d eterm in e w hether each group o f s tu d e n ts was r e p r e s e n ta tiv e o f th e t o t a l group and w hether d i f f e r e n t t o p i c s , e f f ic ie n c y v a r i a t i o n s , o r th e p r e s s u r e o f an exam ination had a ry e f f e c t on th e av erag e q u a lity o f w r itin g by th e a p p r o p r ia te g ro u p s. A fte r i t had been d eterm ined t h a t th e fo u r groups were com parable, and t h a t none o f th e th r e e f a c t o r s had any s i g n i f i c a n t e f f e c t on th e av erag e q u a lity o f w r itin g , i t was th e n p o s s ib le to a n a ly ze th o se f a c to r s in r e l a t i o n to t h e i r e f f e c t s on d i f f e r e n t in d iv id u a ls w ith d i f f e r e n t w r it­ in g a b i l i t i e s . In p la n n in g t h i s s tu d y , an a tte m p t was made to p ro v id e th e c o n tro ls n e c e ssa ry to p re c lu d e th e in te r v e n tio n o f e x tra n e o u s f a c t o r s . I t seems a d v is a b le , how ever, to r e s t a t e th e fo llo w in g q u a l if i c a t io n s b e fo re p r e ­ s e n tin g th e c o n c lu sio n s : 1 . The 80 s tu d e n ts in v o lv ed i n t h i s stu d y were o nly a sm a ll sample (ab o u t tlire e p e r c e n t) o f th e e n t i r e s tu d e n t p o p u la tio n e n r o lle d i n th e c o u rs e . However, th e re i s l i t t l e re a so n to b e lie v e t h a t th e s e s tu d e n ts were n o t r e p r e s e n ta tiv e o f tlia t p o p u la tio n . T h e re fo re , c o n c lu sio n s r e l a t i v e to th e 80 s tu d e n ts can be a p p lie d w ith re a s o n a b le co n fid en ce to th e e n t i r e s tu d e n t p o p u la tio n . 2 . The use o f th e h ig h e s t sco re o f each s tu d e n t to ra n k th e s tu d e n ts ac c o rd in g to t h e i r w ritin g a b i l i t y could p ro v id e some d i s t o r t i o n . The co n c lu sio n s p r e s e n te d , however, a re based on th e a n a ly s e s o f th e d a ta on th e h ig h iiO and th e low i±0 —and i t has been shown t h a t u s in g th e h ig h e s t s c o r e , f o r each s tu d e n t, r a t h e r th a n th e average o f a l l fo u r s c o r e s , r e ­ s u lte d i n changing th e p o s itio n o f o nly fo u r s tu d e n ts betw een th e s e two g ro u p s. I t would seem , t h e r e f o r e , t h a t th e c o n c lu sio n s co n c ern in g v a r i ­ a tio n s i n th e q u a lity o f w r itin g f o r s tro n g and weak s tu d e n ts sh o u ld be v a lid . 3 . T here was no a s s u ra n c e t h a t th e r a t i n g method p ro v id e d sc o re s c o n s is tin g o f eq u a l u n i t s . T h e r e f o re , th e r e s u l t s o f th e s t a t i s t i c a l t e s t s may be open to q u e s tio n . In o th e r w ords, th e c o n c lu sio n s based upon a s t a t i s t i c a l a n a ly s is o f such sc o re s can n o t be s t a t e d w ith as much c e r t a i n t y a s would be j u s t i f i e d i f th e s c o re s were known to c o n s is t o f eq u al u n i t s . C o n c lu sio n si From th e a n a ly s e s o f th e w r itin g perform ance by th e groups o f s tu d e n ts in v o lv e d , i t seems re a s o n a b le to conclude t h a t : 1. Under norm al c o n d i tio n s , v a r ia tio n s i n th e e f f i c i e n c y o f i n ­ d iv id u a l s tu d e n ts do n o t s i g n i f i c a n t l y a f f e c t th e av erag e q u a lity of w r itin g by a group o f tw enty o r more s tu d e n ts from day to day on th e same to p ic s . 2 . When s u f f i c i e n t c a re i s ta k e n to p ro v id e to p ic s w hich a re ap p ro ­ p r i a t e to th e s t u d e n t s 1 background o f e x p e rie n c e s , th e a c c id e n ta l c o n te n t f a c t o r s r e s u l t i n g from th e assignm ent o f any one o f th o se to p ic s do n o t a f f e c t th e av erag e q u a lity o f w r itin g by a group o f tw en ty o r more s tu d e n ts 3 . When s tu d e n ts a re a s s ig n e d th e ta s k o f w r itin g a theme a s a p a r t of a f i n a l e x a m in a tio n , th e average q u a l ity o f th e w r itin g under such c o n d itio n s w i l l be about th e same as tho u g h th e p a p e rs had been w r i tte n as an assignm en t wtiich would n o t a f f e c t t h e i r grad es f o r th e c o u rs e . From th e a n a ly se s o f th e w r itin g perform ance by in d iv id u a l s tu d e n ts in each g ro u p , i t seems re a s o n a b le t o conclude t h a t : 96 1 . C ontent f a c t o r s due t o d i f f e r e n t to p ic s and v a r ia tio n s i n e f f i c ­ ie n c y from day to day r e s u l t in s i g n i f i c a n t v a r ia tio n s in th e q u a lity o f w r itin g f o r a c o n s id e ra b le number o f th e s tu d e n ts in v o lv e d , and th e s e v a r ia tio n s a r e l i k e l y to o ccu r w ith s i g n i f i c a n t l y g r e a te r freq u en cy f o r s tr o n g s tu d e n ts th a n f o r weak s t u d e n t s . 2 . C ontent f a c t o r s and v a r ia tio n s i n e f f ic ie n c y a re about e q u a lly re s p o n s ib le f o r such v a r ia tio n s in th e q u a l ity o f s tu d e n ts ' w ritin g a s o c c u r. 3 . For th e s tro n g s tu d e n ts , d is s im il a r to p ic s a re re s p o n s ib le f o r no more s i g n i f i c a n t v a r ia tio n s th a n s im ila r t o p i c s . For th e weak s tu d e n ts , how ever, d is s im il a r to p ic s appear to r e s u l t in more s i g n i f i c a n t v a r ia tio n s in th e q u a l ity of w r itin g th a n s im ila r t o p i c s . k . P sy c h o lo g ic a l p r e s s u re in tro d u c e d by having p ap ers w r i tte n as a p a r t o f a f i n a l ex a m in a tio n , does n o t r e s u l t in a s i g n i f i c a n t l y g r e a te r , fre q u en cy o f g ain s a n d /o r lo s s e s f o r in d iv id u a l s tu d e n ts th an a r e l i k e l y to occur when such p ap ers a r e w r itte n a s an assignm ent which w i l l n o t a f f e c t th e s tu d e n ts ' g ra d e s . T hus, i t ap p e ars t h a t such p re s s u re has no ad v e rse e f f e c t on a s i g n i f i c a n t number o f s tu d e n ts . A lthough s i g n i f i c a n t v a r ia tio n s i n th e q u a lity o f w r itin g , e i t h e r from to p ic to to p ic o r from day to d ay , were n o ted f o r hi o f th e 80 s t u ­ d en ts in v o lv ed in t h i s s tu d y , no such v a r ia tio n s were n o ted f o r th e o th e r 33 s t u d e n t s . T his does n o t mean, how ever, t h a t th e r e were no v a r ia tio n s in th e q u a lity o f w r itin g by any o f th o se s tu d e n ts . I t can be s a i d , o n ly , t h a t i f such v a r ia tio n s d id o c c u r, th e y d id n o t exceed th e e r r o r o f th e ra tin g s . On th e o th e r h an d , i t seems re a s o n a b le to assume t h a t f o r some o f th o s e s tu d e n ts , th e two a s s ig n e d to p ic s p ro v id ed ab o u t eq u al s t i m u l i — r e s u l t i n g i n no s i g n i f i c a n t d if f e r e n c e i n th e q u a l ity o f w r itin g on th o s e two t o p i c s . L ik e w ise , some o f th o s e s tu d e n ts may have b een w ritin g a t a b o u t th e same e f f ic ie n c y l e v e l on b o th days—r e s u l t i n g i n no s i g n i f i ­ c a n t d if f e r e n c e i n th e q u a l i t y o f t h e i r w ritin g on th e same to p ic s on d i f f e r e n t d a y s. % I m p lic a tio n s . I n C h ap ter I , two m ajor problem s were r a is e d c o n c ern in g th e use o f a s in g l e sample o f a s t u d e n t 's w r itin g as in d ic a tiv e o f h is w r itin g a b i l i t y —f i r s t , th e problem o f e v a lu a tin g h is achievem ent ( a s s ig n ­ in g a grade) a t th e c o n c lu sio n o f a w r itin g c o u rs e } a n d , seco n d , th e problem of e v a lu a tin g in d iv id u a l s tu d e n t improvement from th e b e g in n in g to th e end o f a c o u r s e . I n r e l a t i o n t o th e f i r s t p ro b lem , th e f in d in g s from t h i s stu d y c a s t c o n s id e ra b le doubt upon th e j u s t i f i c a t i o n o f th e custom ary p r a c t ic e o f u sin g f iv e l e t t e r - g r a d e s to d e s ig n a te achievem ent in a w r itin g co u rse when a s in g le p ap er p ro v id e s th e b a s is f o r t h a t d e s ig n a tio n . For exam ple, th e f in d in g s from t t i i s stu d y in d ic a te t h a t v a r ia tio n s i n th e q u a l ity o f a s t u d e n t 's w r itin g from to p ic to t o p i c , o r from day to day on th e same t o p i c , p lu s th e e r r o r i n a s s ig n in g a sc o re f o r each p a p e r , a re l i k e l y to r e s u l t i n v a r ia tio n s o f two o r more l e t t e r - g r a d e s i n th e e v a lu a tio n o f h is w r itin g a b i l i t y —and t h a t such v a r ia tio n s a re l i k e l y to occur more f r e q u e n tly f o r s tr o n g th a n f o r weak s tu d e n ts . T hus, a s tu d e n t m ight have h is w r itin g a b i l i t y r a te d as "A" from one pap er and a s "G" from a n o th e r p a p e r. However, i f o n ly one o f th o s e p ap ers 98 had been w r i t t e n a s an in d ic a t io n o f h is w r itin g a b i l i t y , he would have re c e iv e d on ly one o f th o se r a t i n g s . I t i s e n t i r e l y p o s s ib le t h a t th e "AM r a t i n g would n o t have b een th e b e s t e s tim a te o f t h a t s tu d e n t 1s w r i t ­ in g a b i l i t y . From th e ev id en ce p re s e n te d i n t h i s s tu d y , a grade o f "B1* m ight have been a b e t t e r e s tim a te —s in c e e r r o r i n r a t i n g could ac co u n t f o r su ch a d i f f e r e n c e , even when th e m ost r e l i a b l e r a t i n g methods c u r­ r e n t l y a v a ila b le a r e u se d . On th e o th e r h an d , i f t h a t s t u d e n t 's s in g l e p ap er had re c e iv e d a r a t i n g o f "C ", th e r e would be no a s s u ra n c e t h a t a r a t i n g o f "A” would n o t have been a b e t t e r e s tim a te o f M s w r itin g a b i l i t y —s in c e a com bination o f u n s u ita b le t o p i c , o r a low e f f ic ie n c y l e v e l a t th e tim e th e paper was w r i t t e n , and e r r o r in r a t i n g co u ld ac c o u n t f o r such a d if f e r e n c e . Even i f f o u r sam ples o f a s t u d e n t 's w r itin g were o b ta in e d (cm two d i f f e r e n t to p ic s on each o f two d i f f e r e n t d a y s ) , perhaps n o t more th a n a t h r e e - l e v e l g ra d in g system co u ld be j u s t i f i e d — i n view o f th e amount o f e r r o r in p r e s e n t r a t i n g m ethods, p lu s p o s s ib le v a r ia tio n s i n th e q u a lity o f w r itin g from to p ic to to p ic and from tim e t o tim e . S ince th e f in d in g s from t h i s stu d y in d ic a te l i t t l e v a r i a t i o n i n th e q u a lity o f w ritin g by th e weaker s tu d e n ts , an u n s a tis f a c to r y grade m ight be a s s ig n e d from an e v a lu a tio n o f fo u r p a p e rs w ith c o n s id e ra b le co n fid e n ce t h a t no i n j u s t i c e i s b e in g i n f l i c t e d upon th e s tu d e n t. Since c o n s id e ra b le v a r ia tio n s in th e q u a lity o f w r itin g were n oted f o r th e s tr o n g e r s tu d e n ts , p erh aps no more th a n two le v e ls o f p a s s in g g rad es co u ld be a s sig n e d w ith co n fidence i n t h e i r a c c u ra c y . 99 The second problem r a i s e d i n C h ap ter I concerned th e e v a lu a tio n o f improvem ent i n th e q u a l i t y o f s tu d e n t w r i tin g d u rin g th e p e r io d o f a w r itin g c o u r s e . I f an e v a lu a tio n o f o v e r - a l l o r av e ra g e improvement i s a l l t h a t i s d e s i r e d , i t ca n be o b ta in e d from a s in g le sample o f each s t u ­ d e n t’s w r itin g f o r a p r e - t e s t and a p o s t - t e s t , a s in d ic a te d i n C h ap ter I . Such an e v a lu a tio n , how ever, p ro v id e s l i t t l e u s e f u l in fo rm a tio n f o r e v a lu a tin g th e e f f e c t iv e n e s s o f d i f f e r e n t te a c h in g methods w ith s tu d e n ts who v a ry i n w r itin g a b i l i t y — s in c e v a r i a t i o n s i n q u a l ity o f w r i t i n g , p lu s e r r o r i n r a t i n g s , w i l l te n d t o n u l l i f y o r e x a g g e ra te th e a c tu a l im prove­ ment f o r a c o n s id e ra b le number o f th e s tu d e n ts in v o lv e d . From th e r e s u l t s o f t h i s s tu d y , i t would seem t h a t i n o rd e r to d ev elo p a program f o r e v a lu a tin g in d iv id u a l s tu d e n t improvement i n w r itin g ( f o r s tr o n g a s w e ll a s f o r weak s t u d e n t s ) , i t would be a d v is a b le to o b ta in s e v e r a l sam ples o f w r i tin g b y each s tu d e n t— sam ples o f w r i tin g on d i f f e r ­ e n t to p ic s on th e same day and on th e same to p ic s on d i f f e r e n t d a y s . And such sam ples sh o u ld be o b ta in e d f o r b o th th e p r e - t e s t and th e p o s t ­ te s t. I f th e to p ic s a s s ig n e d f o r th e p o s t - t e s t a r e n o t t o be th e same as f o r th e p r e - t e s t , th e n th e y sh o u ld be s im ila r i n n a tu re — e s p e c i a lly f o r th e weak s tu d e n ts . Such a program o f p r e - t e s t i n g and p o s t - t e s t i n g would p ro v id e a b a s is f o r e v a lu a tin g th e im provem ent i n w r itin g p r o f ic ie n c y f o r b o th s tr o n g and weak s tu d e n ts —re d u c in g th e p o s s i b i l i t y t h a t c o n te n t f a c t o r s a n d /o r v a r i a t i o n s i n e f f i c i e n c y would a f f e c t th e q u a l ity o f w r itin g i n such a way a s to n u l l i f y o r e x a g g e ra te a c t u a l im provem ent. F u r th e r m o r e , i t w ould se e m , from t h e r e s u l t s o f t h i s s t u d y , t h a t t h e p r e s s u r e o f t h e e x a m in a tio n s i t u a t i o n d o e s n o t r e s u l t i n m ore a d v e r s e 100 v a r i a t i o n s i n th e q u a l i t y o f w r itin g th a n when such p r e s s u r e i s a b s e n t. T h is does n o t mean, how ever, t h a t su ch v a r i a t i o n s w i l l n o t o c c u r, o c c a ­ s io n a lly . On th e o th e r h an d , i t seems re a s o n a b le t o assume t h a t , i f p ro p e r p r e c a u tio n s a r e ta k e n , a p o s t - t e s t may be u t i l i z e d a s a f i n a l ex­ a m in a tio n w ith o u t s e r i o u s l y a f f e c t i n g th e r e s u l t s . Such a program o f e v a lu a tio n , a s o u tlin e d a b o v e , would e n t a i l a c o n s id e r a b le amount o f tim e and e f f o r t on th e p a r t o f th e s t a f f members in v o lv e d . I t seems to t h i s w r i t e r , how ever, t h a t u n le s s such a program i s u t i l i z e d f o r e v a lu a tin g in d iv id u a l improvem ent i n a w r itin g c o u r s e , t h e r e i s l i t t l e p o s s i b i l i t y o f im proving c o u r s e s , program s^ o r te a c h in g m ethods co n cern ed w ith t h a t o b j e c t i v e . And u n le s s improvement does ta k e p la c e i n th e e f f e c t iv e n e s s o f c o u r s e s , p ro g ram s, o r te a c h in g methods con­ ce rn e d w ith th e improvement o f s tu d e n t w r i t i n g , te a c h e r s i n t h a t a re a can c o n tin u e t o e x p e c t th e same c r i t i c i s m s th e y have re c e iv e d in th e p a s t. BIBLIOGRAPHY A d k in s, D orothy C . , C o n s tru c tio n and A n a ly s is o f A chievem ent T e s t s . U. S . Government P r i n t i n g O f f ic e , W ash in g to n , b . C 191*7. A nd erso n , H. A ., and T r a i l e r , A. E . , "The R e l i a b i l i t y o f th e R eading o f an E n g lis h E ssay Test*1, School R eview , v o l . 1+8, 191*0, p p . £ 2 1 - 3 0 . Coward, Ann F . , "A Com parison o f Two Methods o f G rading E n g lis h Composi­ tio n s " , J o u rn a l o f E d u c a tio n a l R e s e a rc h , v o l . 1+6 (O cto b er 1952) . p p . 8 1 -9 3 . 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M e r r i l l , Maud A ., "The S ig n if ic a n c e o f IQ*s on th e R ev ised S ta n f o rd B in e t S c a le s ," J o u rn a l o f E d u c a tio n a l P sy ch o lo g y , v o l . 29 (December 1938) , p p . d a -^ T . r 103 M ow rer, 0 . H ., "L e a rn in g T h e o ry ," Review o f E d u c a tio n a l R e s e a rc h , v o l . 22 , No. 5 (December 1 9 5 2 ), p p . U75-95. P r e s i d e n t 's Commission on H ig h er E d u c a tio n , " E s ta b lis h i n g th e G oals" ( v o l . l ) , H ig h er E d u c a tio n f o r A m erican.D em ocracy. U. S . Government P r i n t i n g O f f i c e , W ash in g to n , D. C . , 19R7. S a c k e t t , L ero y W ., "C om parable M easures o f C o m p o sitio n ," S ch o o l and S o c i e t y , v o l . 5 (F e b ru a ry 2 U , 1 9 1 7 ) , p p . 2 3 3 - 3 9 . 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APPENDICES APPENDIX A THEME HATING SCALE AND DEFINITIONS OF SEPARATE CATEGORIES S u p e rio r 10 9 b 7 6 £ U n s a tis fa c to ry G 3 2 1 C ontent C onventions o f Grammar S entence S tru c tu r e D ic tio n O rg a n iz a tio n C ontent C ontent r e f e r s to th e q u a lity and adequacy o f th e s u b s ta n tia tin g ma­ t e r i a l (ex am p les, s t a t i s t i c s , argum ents) employed i n su p p o rt o f id e a s ex p ressed i n th e p a p e r. A theme o f c o lle g e c a lib e r sh o u ld concern i t s e l f w ith m a tte r w orthy o f a d u lt c o n s id e ra tio n and ex p ress a re a s o n a b ly m ature p o in t o f view . C onventions o f Grammar C onventions o f grammar r e f e r s to such m a tte rs as re a s o n a b le s p e l l i n g , c o r r e c t p u n c tu a tio n a t m ajor ju n c tu r e s , th e u s u a l gram m atical agreem ents 106 ( s u b je c t- v e r b , p ro n o u n -a n te c e d e n t), and th e c o r r e c t use o f posse s s i v e s . I t r e f e r s a ls o to th e avoidance o f se n ten c e fra g m e n ts, comma f a u l t s , p e rio d f a u l t s , and d a n g lin g m o d if ie r s . Sentence S tru c tu r e E f f e c tiv e se n te n c e c o n s tru c tio n means th e s t r a t e g i c use o f such th in g s a s th e p e r io d ic s e n te n c e , s u b o rd in a tio n , and p a r a lle lis m . It means t h a t by a v a r i e t y in se n ten c e le n g th , i n sen ten ce s t r u c t u r e , and in sen ten ce o r d e r , monotony and c h ild is h n e s s o f e x p re ssio n may be avoided and v a r ie ty and m a tu rity o f e x p re s s io n a c h ie v e d . wliich a re f r e e from awkwardness ana o b s c u r ity . I t means se n te n c e s I t means t h a t s u c c e s s fu l a t t e n t i o n has been g iven to th e req u irem e n ts o f sen ten ce euphony and rhytlim . > D ic tio n Good d ic tio n means th e u se o f words w e ll chosen to ex p ress th e w rite r* m eaning. I t means th e avoidance o f e x p re s sio n s which a re crude o r t r i t e , o f w o rd in e ss, o f pom pousness. I t means th e use o f ac ce p ted id io m s, o f ex­ p r e s s io n s which a r e vigorous and a l i v e , o f th e s p e c if ic and c o n c re te in p re fe re n c e to th e g en e ra l and a b s t r a c t . O rg a n iz a tio n The s iz e o f th e to p ic should f i t th e le n g th o f th e p a p e r. The theme as a whole should have a s i n g l e , c o n tr o llin g id e a o r p u rp o s e , ex p ressed or c l e a r ly im p lie d , t o which each p a r t o f th e theme c o n 'b rib u te s. Each paragraph sh o u ld be re c o g n iz a b le as a u n it ( i . e . d eveloping a s in g le to p ic o r s u b -to p ic ) in th e development o f th e them e. The id e as p re s e n te d should be sm oothly and l o g i c a l l y lin k e d to g e t h e r . Such lin k in g i s achieved by a re c o g n iz a b le p a t te r n o f developm ent and by th e use o f such t r a n s i t i o n a l d e v ic e s a s th e c o n n e c tiv e , p a r a l l e l i s m , pronoun r e f e r e n c e , and r e p e t i ­ tio n . By th e use o f such th in g s a s p o s i t i o n , p r o p o r tio n , and r e p e t i t i o n , t h a t wiiich i s of most im portance in th e theme sh o u ld be made to seem so to i t s r e a d e r .* * W ritte n and Spoken E n g lish S y lla b u s , M ichigan S ta te C o lleg e P r e s s , E a s t L a n sin g , 19U9, p p . 1 7 - lo . 108 ' APPENDIX B ESTIMATION OF THE RELIABILITY FOR INCOMPLETE SETS OP RATINGS* Whether o r n o t i t i s d e s ir a b le to remove " b e tw e e n -ra te rs " v a ria n c e in e s tim a tin g th e r e l i a b i l i t y o f r a t i n g s depends upon th e way in which th e r a tin g s a r e u ltim a te ly used in g ra d in g , c l a s s i f i c a t i o n , o r s e le c tio n . In any case where d if f e r e n c e s from r a t e r to r a t e r in g en e ra l le v e l of r a t i n g do n o t le a d to co rresp o n d in g d if f e r e n c e s in th e u ltim a te g ra d e s , c l a s s i f i c a t i o n s , o r s e l e c t i o n s , th e " b e tw e e n -ra te rs" v a ria n c e should be removed from th e e r r o r te rm . S p e c i f i c a l l y , th e " b e tw e e n -ra te rs " v a r i ­ ance should be removed where th e f i n a l r a tin g s on which d e c is io n s a re based c o n s is t o f av erag es o f com plete s e ts o f r a t i n g s from a l l o b s e rv e rs , o r r a tin g s w hich have been equated from r a t e r to r a t e r such as r a n k s , Z -s c o re s , e t c . L ik ew ise, i f com parisons a re nev er made p r a c t i c a l l y , b u t on ly e x p e rim e n ta lly , betw een r a tin g s o f p u p ils by d i f f e r e n t r a t e r s , th e " b e tw e e n -ra te rs " v a ria n c e sh o u ld be removed. But i f d e c is io n s a re made in p r a c tic e by com paring s in g le "raw11 sc o re s a ssig n e d to d i f f e r e n t p u p ils by d i f f e r e n t r a t e r s , o r by comparing av erag es which comes from d i f f e r e n t groups o f r a t e r s , then th e " b e tw e e n -ra te rs" v a ria n c e should be in c lu d ed as p a r t o f th e e r r o r te rm s . * R obert L . E b e l, “E stim a tio n o f th e R e l i a b i l i t y o f R a tin g s ," P s y c h o m e t r i k a , v o l. 1 6 , No. h (December 1 9 5 1 ), PP. U11-A12. 109 APPENDIX B - C o n tin u e d TABLE 2 ANALYSIS OF RATINGS FOR PROBLEM 5 — INCOMPLETE SETS R atin g s P u p il 1 P u p il 2 P u p il 3 k 6 6 h U3 o 9 9 li 9 6 5 10 6 5 9 3 17 Sums Sum o f squared r a tin g s Sum o f p ro d u c ts (p u p il sum tim es p u p il mean) P ro d u ct o f sum and mean Sum o f sq u ares For t o t a l 656 — 76L.L706 F or p u p ils 765.3333 — 76U.JU706 F or e r r o r 9 3 .529ii — 20.6627 Kean square F or p u p ils 20.6627 + 2 For e r r o r 72.6667 + li; * Average v alu e of k 10.U31U — 5.1905 R e lia b ility 10.1i3lii + (U. 1176) (5.1905) = Sum 25 66 23 HL 858 785.3333 76ii.L706 93.529ii 20.6627 72.6667 10 .ii3lU 5.1905 .I6ii8 T able 2 i l l u s t r a t e s a p p lic a tio n of t h i s form ula to a sim p le problem in wiiich th e ta b le of r a tin g s i s incom plete and th e so u rces o f r a tin g s a re n o t i d e n t i f i e d . In t h i s case o n ly two components o f th e v a ria n c e , a t t r i b u t a b l e to p u p ils and e r r o r , a re s e p a r a te d . Thus any d if fe re n c e in g e n e ra l l e v e l o f r a t i n g s between th e v a rio u s r a t e r s i s a u to m a tic a lly in ­ cluded in th e e r r o r te rm . '.S; 110 APPENDIX C DIFFERENCES BETWEEN PAIRS OF PAPERS \ ( S i g n i f i c a n t d i f f e r e n c e s a r e u n d e r l i n e d . N o ta tio n s e q u a l: T1 - T o p ic 1 , T2 - T o p ic 2 j D1 - F i r s t day f D2 - Second day • W/0 - W ith o u t p r e s s u r e j W - W ith p r e s s u r e . S i g n i f i c a n t g a in s an d l o s s e s fro m f i r s t day t o seco n d d ay a r e i n d i c a t e d b y p l u s a n d m inus m a rk s .) ________________________________ Group_A______________________________ S iM T u ____________ T1_________________T2 D1 W/0 ________ D2 W/0 U| D1 D2 D1 D2 T1 - ' T2 T1 T2 E E W/0 W/0 W/0 W/0_________________________________ NK T 2 1 2 .0 + lU .l - k .l 2 2.0 3 6 .5 lii.o 3 .0 2 .0 1 .0 6 .5 5 .5 1 .0 6 .0 1 .5 6 .0 2 .7 8 .5 U .5 2 .5 5 .0 3 .0 2 .0 5 .5 8 .0 5 .0 3 .0 o .o 11.0 1 0.7 1 0.5 5 .0 1 .5 0 .0 1 .5 1 .5 2 2.5 5 .0 3 .5 1 .0 0 .0 0 .0 1 8.0 1 .0 2 .0 o .5 5 .5 2 .7 8 .0 7 .0 1 5.5 5 .0 0 .0 k 5 6 8 9 10 11 12 15 16 17 18 19 21 22 23 2h 25 h.$ 1 1.5 k.o 1 3 .0 + 3 .0 1 3 .0 6 .5 + - k.O 1 .5 2 .0 5 .5 6 .0 k.S 3 .5 0 .5 k.o 5 .5 U .o lii.O 0 .2 7 .5 6 .0 2 .5 1 6.5 1 .0 0 .0 5 .5 I ll APPENDIX C - C o n tin u e d Group C ro 1 s; o c> T1 D1 w /o T2 - D2 y D1 W/0 T1 T2 D2 W, T1 T2 26 1 .0 2 .5 5 .o 3 .5 27 e.o 2 .0 2 .5 3 .5 26 5 .0 1 .5 2 .0 1 .5 29 6 .0 2 .0 7 .5 3 .5 30 2 .0 7 .0 6 .0 1 .0 31 1 3 .5 + 2 .5 h.S U .5 32 20.5 + 9 .0 7 .5 22.0 33 0 .2 3 .5 8.3 5 .0 35 1 .0 2 .5 7 .5 U .o 36 6 .0 2 .5 5 .5 0 .0 37 2 .5 6 .0 9 .0 1 2.5 '36 3 .0 3 .0 0 .0 6 .0 39 2 .5 1 .5 2 .0 6 .0 hO 1 1 .5 - 7 .0 0 .5 3 .0 ui U.5 7 .5 1 2 .0 0 .0 U2 6 .5 0 .5 3 .0 .9 .0 5 .0 1 .0 1 1 .0 28.0 5.9 1 .0 0 .5 3 .0 2 .5 6 .0 8.0 U3 1 5 .0 + hh 1 6 .h U5 2 .0 h6 - u .5 + 1 7 .5 + 112 APPENDIX C - C o n t in u e d Croup B Dl T1 D2 ____ Wo yt T3 Dl W /0 D2 W D l W /0 T1 T2 D2 W/0 T1 « T2 he 3 .0 0 .5 1 3.0 U9 2 .5 7 .0 6 .5 9 .5 1 1 .0 51 0 .0 U .o 5 .5 1 .5 52 b.5 6 .5 - 5 .5 9 .5 5U 6 .8 5 .o U .5 2 .7 55 1 9.5 - U .o 2 1 .5 2 .0 56 0 .5 5 .0 5 .5 1 .0 57 2 .5 0 .0 8 .0 5 .5 56 6 .5 U .5 1 1 .5 7 .5 59 2 .5 1 2 .5 3 .5 61 10.2 - 3 .5 lU .o 7 .3 62 5 .5 1 .5 1 .5 U .5 63 2 .5 7 .5 + 7 .0 2 .0 61* 0 .0 0 .7 3 .7 3 .0 1 .0 1 3 .0 U .o 65 1 0 .0 + ' 11.5 + 67 ii.o 9 .5 + 6 .0 66 9 .0 - 2 .5 8 .5 7 .5 2 .0 69 1 3 .0 + 9 .5 0 .0 6 .0 1 6.5 6 .5 5 .5 - 0 .5 U .o 70 1 .0 71 7 .0 -1 0 .5 113 APPENDIX C - C o n tin u e d Group D T1 Dl W/0 D l W/0 T3 D2 W Dl W/O D2 W T1 T3 T1 D2 W - T3 73 U.O U .o 1.0 1 .0 7U 1.0 6.0 9 .0 U .o 75 1 Q .5 0.0 6.0 1 6.5 76 10.0 8 .5 - o .5 1 8 .0 77 9 .0 0 .5 U .5 U .o 79 9 .5 - 0 .5 1 1.5 2 .5 80 2.0 1 .5 1 .5 2.0 81 U .o 1 3.5 u .5 2.0 83 1 3 .0 8U 1 5.0 6.0 - o.O 3 .0 0.0 2.0 1.0 86 0 .5 15.0 0 .5 1 5 .Q 87 11.0 1 Q .5 2.0 1 .5 88 1 Q .5 - 8.0 8.0 1 Q .5 89 2 .5 0 .5 1 1 .5 iU .5 90 U .5 1 5.5 1 9.0 1 .0 92 6 .5 3 .5 2 .5 7 .5 93 9 .5 - 2.0 :i . 5 9 .0 9b 8.0 7 .5 - 5 .0 1 Q .5 95 5 .0 11.0 0 .5 1 5 .5 - - lilt APPENDIX D FREQUENCY OS' SIGNIFICANT VARIATIONS FOR STRONG AND WEA.K STUDENTS N o te: T1 - T o p ic 1 , T2 - T o p ic 2 , T3 - T o p ic 3 j Dl - 1 s t D ay, D2 - 2nd Dayj D1-D2 - D if f e r e n c e b etw een p a p e r s on t o p i c i n d i c a t e d f o r d i f f e r e n t days T l- T 2 ,3 - D if f e r e n c e b etw e en p a p e rs on d i f f e r e n t t o p i c s f o r d ay s i n d i c a t e d Top 1+0 Top 2 0 , i n d e s c e n d in g o r d e r , p r e s e n te d on t h i s p a g e . Low 2 0 , i n a s c e n d in g o r d e r , p r e s e n te d on t h i s p a g e . Second 20 o f to p hO c o n tin u e d on n e x t p a g e . Second 20 o f on n e x t p ag e -p ? £-1 3 'i T 1 £ ID1-D2 56 83 22 55 6U It 88 kk 1|2 1+8 32 1+3 58 61 75 9 37 69 2 10 1 3 .0 1 3 .0 1 9 .5 ABOVE MED. H igh 20 D l T 2 ,3 D1-D2 T1-T2 ,3 8 .0 — - llt.O 1 0 .5 l6 .lt 2 0 .5 1 5 .0 1 0 .2 1 0 .5 1 3 .0 1 2 .0 Low ItO - 6 .0 1 7 .5 — — — — - 9 .5 llt.l — 2 1 .5 - 2 8 .0 1 3 .0 U .5 llt.O 1 8 .0 9 .0 — - •p _ 0) < D D2 H-g T1 T1-T2 ,3 &§D1-D2 1 5 .0 1 6 .5 - 1 5 .5 1 0 .5 - 9 .0 9 .5 2 2 .0 1 1 .0 1 6 .5 1 2 .5 1 6 .5 2 2 .0 73 25 63 8057 62. 30 26' 21 7U 11 81+ 86 52 92 3 5 68 6 1+9 — - lo w hO c o n tin u e d BELOW MED. Low 20 D2 Dl T 2 ,3 D1-D2 T1-T2 ,3 T1-T2 ,3 — 7 .5 mm mm - - - — - - - — - - mm - - - — - — - - - — — — 1 5 .0 8 .5 - mm 9 .0 - — - - — - 1 5 .0 9 .5 mm - - - - - - 9 .0 - - - - - - - - - 1 1 .0 115 APPENDIX D - C o n tin u e d Top AO (C o n t'd .) Secbnd 20 o f to p AO i n descend­ "S u C O 0 ) in g o r d e r . TJ 0 12 g T1 Dl D2 T2,3 -PO^5 P C D1-D2 D1-D2 T1-T2 ,3 T1-T2 ,3 16 17 96 2ii 27 71 33 67 15 65 76 93 19 AO 29 A5 59 9u Ai 31 . 10.7 mm — 1 0 .5 - - - 13.5 - 9 .5 13.0 - - 1 0 .5 - - 11.0 - 10.0 10.0 9.5 u .5 1 0 .5 1 1 .0 - 9 .5 - - - - - - - - - - - 13.0 8 .5 - - - - - - 18.0 9.0 - - - - - - - - - - 1 1 .5 u .5 7 .5 - - - 13.5 Notes 2 2 .5 1 A.0 — - 12.5 - 1 2 .0 • - 1 0 .5 - Low AO (C ont*d.) ^Second 20 o f low AO i n ascending $ b o rd e r. p gi T i D2 Dl T2,3 -p 3 coaDl-D2 D1-D2 T 1-T2,3 T1-T2 ,3 51 81 22 1 3 .0 28 70 9 .0 77 95 12 35 — 5U 18 79 9 .5 36 33 A6 u . 5 90 6 39 — 67 — 89 w — 1 3 .5 1 1.5 - 16.5 - - - - - - - - - - 1 5.5 1 1 .0 - - - - - - - - - - - - - - 11.5 - - - - - - - - - - 15.5 1 9 .0 - - - - - - - 9 .5 - - u .5 114.5 S tu d en ts numbered from 2 to 25 and from A8 to 71 w rote on both days w ith o u t th e exam ination p r e s s u r e . S tu d en ts numbered from 26 to A6 and from 73 t o 96 w rote on second day w ith t h a t p re ssu re add ed . S tu d en ts numbered from 2 to A6 w rote on s im ila r to p ic s ; w h ile s tu d e n ts numbered from A8 to 96 w rote on d is s im il a r t o p i c s . 116 APPENDIX E LETTER-GRADE VARIATIONS The mean and s ta n d a rd d e v ia tio n o f th e 320 s c o re s were used to form a d i s t r i b u t i o n (a p p ro x im a te ly normal) o f l e t t e r g rad es from A to F f o r a l l o f th e p a p e rs . Then a check was made to d eterm in e how many l e t t e r - grade v a r ia tio n s may iiave been due to e r r o r i n r a t i n g s and how many were due to s i g n i f i c a n t v a r ia tio n s i n th e q u a l i t y o f w r i t i n g . Most o f th e v a r ia tio n s o f one l e t t e r grade may have b een due to e r r o r i n r a t i n g s , w h ile m ost o f th e v a r ia tio n s o f two o r more l e t t e r grades p ro b a b ly were due to s i g n i f i c a n t v a r ia tio n s i n th e q u a l ity o f w r itin g —a s shown below : V a ria tio n s o f one l e t t e r g ra d e , w hich may have been due o n ly to e r r o r i n th e r a t i n g s ...................................................................... 105 V a r ia tio n s o f one l e t t e r g ra d e , w hich p ro b a b ly were n o t due o n ly to e r r o r i n r a t i n g s b u t w hich o cc u rred a s a r e ­ s u l t o f s i g n i f i c a n t v a r ia tio n s i n th e q u a l i t y o f w r i t i n g . . . . 33 V a ria tio n s o f two l e t t e r grades w hich may have been due t o e r r o r i n r a t i n g s ....................................................................................... 5 V a r ia tio n s o f two or more l e t t e r grad es w hich p ro b a b ly were n o t due o n ly to e r r o r i n r a tin g s b u t w hich o c c u rre d a s a r e ­ s u l t o f s i g n i f i c a n t v a r ia tio n s in th e q u a l i t y o f w r i t i n g . . . . 50