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DATE DUE DATE DUE DATE DUE 5/08 Kzlprq/AcwpresICIRC/Dateous.indd CULTURAL DIFFERENCE IN THE PERSUASIVE IMPACT OF A ROLE NORM MESSAGE By Sang-Yeon Kim A DISSERTATION Submitted to Michigan State University in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY Communication 2009 ABSTRACT CULTURAL DIFFERENCE IN THE PERSUASIVE IMPACT OF A ROLE NORM MESSAGE By Sang-Yeon Kim This study examines the persuasive impact of role norm appeal relative to the persuasive impact of traditional social norm strategies. Role norms constitute a particular form of social norms, stipulating what one ought to do as the holder of a particular role. This study hypothesizes that a role norm appeal produces greater persuasion than a social norm appeal, because social sanctions from related others tend to be perceived as more threatening than social sanctions from those that are unrelated .This study also predicts a relatively greater persuasive impact of role norm appeals in holistic cultures versus analytic cultures because holists tend to manifest a greater role-dependency compared to their analytic counterparts. The predictions were examined employing a 2 (U.S., Korea) x 3 (role norm, social norm, no-norm control) independent groups design (NTo-r = 702; NUS = 412, NKOR = 290). These three groups argue separate messages: firstly, that college students should avoid excessive drinking as a responsible child of his/her parents; second that excessive drinking is avoided because the person is a responsible community member; and lastly that drinking is avoided for the subject's own good, respectively. The participant’s own behavioral intention (BI) and the projected behavioral intention of others (PBI) served as major dependent variables. Neither the main effect for treatment, nor the culture by treatment interaction, were statistically significant at level or = .05. However, a participant's culture had a significant main impact on both BI and FBI; across conditions, Korean students’ BI and PBI scores indicated lower intentions to drink than the US. students. Path analyses indicate that, across cultures, social norm factors exert only minor impacts on behavioral intention; whereas participants’ perception of problem severity explains more variance. Path models also suggest that Korean participants take a dual cognitive processing in which BI and PBI are explained by two separate sets of variables. This tendency remained less pronounced among the US. participants. Dedicated to my wife, Yeol-Hee Lee, who has willingly sacrificed six years of her youth for my doctoral study. iv ACKNOWLEDGEMENTS I am truly indebted to Dr. Frank Boster, who has lent me his unfathomable knowledge and keen insights, to Dr. Maria Lapinski, who has given me invaluable research experience, and to Dr. Toby Teneyck, who has given me new diverse perspectives with which cultures may be viewed. I must give my deepest thanks to Dr. Timothy Levine, the very first person who showed me how loveable social science can be. TABLE OF CONTENTS LIST OF TABLES ..................................................................................................... viii LIST OF FIGURES ...................................................................................................... ix LITERATURE REVIEW ............................................................................................... 1 Social Norms and Persuasion ............................................................................... 1 Cross-Cultural Difference in the Impact of Role Norm Appeals ......................... 5 METHOD .................................................................................................................... 10 Participants ......................................................................................................... 10 Experiment Design ............................................................................................. 13 Procedure ........................................................................................................... 13 Measures ............................................................................................................ 14 Induction check ........................................................................................ 15 Perceived salience of social sanction ....................................................... 15 Locus of consequence .............................................................................. 16 Personal and projected behavioral intention ............................................ 17 Other potential mediators ......................................................................... l7 Descriptive and injunctive norm .............................................................. 18 TRA measures .......................................................................................... 19 Tests of Measurement Invariance ...................................................................... 20 RESULTS ..................................................................................................................... 22 Induction Checks ............................................................................................... 22 Perception of roles ................................................................................... 22 Perceived social sanction ......................................................................... 32 Perceived argument quality ...................................................................... 33 Perceived locus of consequence ............................................................... 33 Perceived severity of drinking problem ................................................... 33 Descriptive norm of drinking ................................................................... 34 Injunctive norm of drinking ..................................................................... 34 Subjective norm of parents ...................................................................... 35 Subjective norm of community ................................................................ 35 Motivation to comply with parents .......................................................... 35 Motivation to conform to the community's norm .................................... 35 Hypothesis Testing ............................................................................................. 35 Exploratory Structural Equation Modeling ........................................................ 37 Phase 1 ..................................................................................................... 37 vi Phase 2 ..................................................................................................... 56 DISCUSSION .............................................................................................................. 65 Check for Validity of Rationales ........................................................................ 68 The Third Person Effect ..................................................................................... 72 Koreans More Willing to Drink Less ................................................................. 73 Small Social Norm Effect .................................................................................. 75 Holists and Perception of Roles ......................................................................... 77 APPENDICES ............................................................................................................. 79 Message Stimuli (English) ................................................................................. 79 Message Stimuli (Korean) ................................................................................. 80 Measures (English) ............................................................................................ 81 Measures (Korean) ............................................................................................. 85 REFERENCES ............................................................................................................ 89 vii LIST OF TABLES TABLE 1: Measurement Invariance Tests ................................................................... 23 TABLE 2: Descriptive Statistics by Culture and Treatment Condition ....................... 29 TABLE 3: Full Correlation Matrix .............................................................................. 31 TABLE 4: Correlation Matrix for the US. .................................................................. 50 TABLE 5: Correlation Matrix for Korea ..................................................................... 51 TABLE 6: Mean Difference Between the US. and South Korea at Construct Level .70 viii LIST OF FIGURES FIGURE 1: Predicted Cultural Difference in Persuasive Impact of Role-Norm and Social Norm Appeals .............................................................................................................. 1 1 FIGURE 2: Found Cultural Difference in Persuasive Impact of Role-Norm and Social Norm Appeals (Behavioral Intention) .......................................................................... 38 FIGURE 3: Found Cultural Difference in Persuasive Impact of Role-Norm and Social Norm Appeals (Projected Behavioral Intention) .......................................................... 39 FIGURE 4: Full Model (U.S.) ..................................................................................... 42 FIGURE 5: Full Model (Korea) ................................................................................... 43 FIGURE 6: A Reduced Model (U .S.) .......................................................................... 44 FIGURE 7: A Reduced Model (Korea) ........................................................................ 45 FIGURE 8: A Reduced Model for the US. (Rearranged) ........................................... 46 FIGURE 9: A Reduced Model for Korea (Rearranged) ............................................... 47 FIGURE 10: Final Model (U .S.) .................................................................................. 52 FIGURE 11: Final Model (Korea) ............................................................................... 53 FIGURE 12: US Model Fitted to Korean Sample ..................................................... 54 FIGURE 13: Korean Model Fitted to the US. Sample ............................................... 55 FIGURE 14: TRA Model (Entire Sample) .................................................................. 58 FIGURE 15: TRA Model (U.S.) .................................................................................. 59 FIGURE 16: TRA Model (Korea) ............................................................................... 60 FIGURE 17: Separate Process Model (U.S.) ............................................................... 63 FIGURE 18: Separate Process Model (Korea) ............................................................ 64 FIGURE 19: Separate Process Model (U .S.), Composite Indices ............................... 66 ix FIGURE 20: Separate Process Model (Korea), Composite Indices ............................ 67 Literature Review Social Norms and Persuasion Considerable scholarly energy has been devoted across many disciplines of social science to the understanding of the influence of social norms on human behavior. Anthropologists have long investigated the nature of social norms as the key to understanding the basic principles of society (e.g., Malinowski, 1926). Sociologists (e. g., Birenbaum & Sagarin, 1976; Nadel, 1957; Piddocke, 1968) and students of law (e.g., McAdams, 1997; Sustein, 1996) have produced a vast literature on aspects of social norms, particularly social norms’ contributions to the maintenance of a social order without resorting to legal measures. Persuasion scholars have been investigating ways to maximize the effect of social norms in inducing pro-social behavior among the public (e.g., Cialdini, Reno, & Kallgren, 1990; Reno, Cialdini, & Kallgren, 1993). Across this broad spectrum of applications, the concept of “social norms” has typically been defined as having two elements: (a) a consensus on the patterns of behavior considered to be desirable by most members of a collective, and (b) social enforcement, where compliers are rewarded, defectors are punished, or both (Birenbaum & Sagarin, 1976; Malinowski, 1926; Nadel, 1957; Piddocke, 1968). Individuals raised in the same culture come to develop a similar rule set stipulating which behaviors and value systems correspond or contradict those desired by the majority of people. Possessing a code of conduct presumed to be shared by most others, one can predict, albeit roughly, whether his or her behavior will be viewed as acceptable if executed in public. This ability to predict potential social consequences of one’s behavior fimctions as an internal regulator that encourages pro-social behaviors and discourages anti-social behaviors, because by so doing, one can gain social approval and avoid potential consequences for violating rules. Consistent with these observations, this study defines social norms as a set of socially shared guidelines to the expected behavioral patterns whereby social order is spontaneously maintained through social enforcement. While symbolic interactionists have paid more attention to the process in which a social consensus evolves, and how it becomes internalized in the minds of individual members of the society (Blurner, 1969; Mead, 1934), the concept of social sanctions has attracted continued interest from social psychologists as they examine direct and indirect normative influences on human behavior (Firth, 1958; Homans, 1950; Piddocke, 1968). Firth (1958) and Piddocke (1968) in particular point out that one’s decision to carry out a particular action is immediately determined by the actor’s projection of potential social sanctions as well as personal predispositions or habits.l Cialdini and colleagues (1990, 1993, 2000) are among many persuasion scholars who have successfully demonstrated the influence of social norms in inducing pro-social behavior. In particular, the researchers devoted a series of field experiments to test the effectiveness of anti-littering social norms on curtailing littering in public space (Cialdini, Reno, & Kallgren, 1990; Kallgren, Reno, & Cialdini, 2000; Reno, Cialdini, & Kallgren, 1993). In the main, the data were consistent with the prediction; targets in whom the anti- littering social norm had been induced were less likely to litter than were the targets in whom the anti-littering social norm had not been induced. Particularly, an increase in the 1 This premise holds true to the extent that social sanctions, especially punishments, are indeed perceived as such by most members of the society; a death penalty may not be valued as punishment for a martyr and thus would exert little influence on her religious behavior (Piddocke, 1968). Whether it be a direct physical attack from the community, restricted freedom of action, a ruined self-image, or feelings of shame or anxiety, a social sanction must be an external or internal measure that arouses at least minimal displeasure in the norm violator. A social norm that tells what is desired but unsubstantiated by sanctions is what we call an ideal (Homans, 1950). strength of an induced anti-littering social norm produced a proportionate decrease in littering. Cialdini and associates (1990, 1993, 2000) attributed this outcome to the salience of the experimental stimulus. Cialdini et a1. opined that most social norms tend to remain dormant in the human mind until becoming cognitively accessible to the target through a salient stimulus, and posited that the probability of norm conformity enhances as the stimulus becomes more salient. This is because a more salient stimulus can render the pertinent social norms, and thus potential social sanctions, more noticeable to the target (see Rimal & Lapinski, 2005). To the extent that this premise is correct, a social norm which is made more accessible to the target’s cognition should produce an increased norm conformity. This study thus proposes that a stronger norm congruence maybe inducible by invoking the target’s role norms than by inducing other types of social norms. A social role refers to a position endowed to a person fulfilling expected duties in a particular relationship. That is, a social role does not exist until one enters a relationship and plays a part complementary to that of the counterpart(s) in that particular relationship (Banton, 1965; Nadel, 1957). For example, in order for a man to be a legitimate father, he must enter a father-child relationship and perform a set of obligations for relationship maintenance. Demonstrably, no doctors would exist in that role of “doctors” in the absence of patients that have to be treated. In particular, the relational duties expected of a role holder can be referred to as role norms, hereby defined as “a set of norms and expectations applied to the incumbent of a particular position ” (Banton, 1965, p. 29). Role norms are a particular form of social norms exclusively confined to the role-specific behavior domain. That is, role norms operate only within the domains where the interactants communicate as ‘role players,’ whereas social norms cover the whole gamut of social interactions including those in which individuals need not be identified as a role bearer. For example, social norms and role norms provide an equal set of instructions as to what one ought to do as a parent, a student, a manager, a romantic partner, etc. But it is only more general social norms that remain valid beyond the relational boundaries, requiring, for example, to follow basic table manners, not to pick nose in the presence of others, not to stare at people, and so on. As mentioned, social norms include role norms. For convenience, however, this study limits the scope of social norms exclusively to public domains where interactants feel little role obligations to the other(s) due to the absence of a perceivable relationship. Social titles as ‘community member’ or ‘fellow citizen,’ for example, are nominal in nature, requiring minimal expectations about what one ought to do for the other(s), and would thus fall into the domain of social norms. A corollary of this view is that role norms comprise the anticipations from related others whereas social norms represent the expectations of unrelated others. To the extent that the expectations from related others are more salient in human minds than the expectations from unrelated others, people should also perceive the sanctions from related others as more threatening than the sanctions from unrelated others. It further follows that norm-congruent pro-social actions are more likely to occur in the targets in whom role norms have been invoked, opposed to the targets in whom social norms have been induced. Following this reasoning, this study proposes its first hypothesis as follows. H1: Persuasion messages using role-norm appeals are more effective in promoting pro-social behaviors than the persuasion messages using more general social 9 2 norm appeals. Cross-Cultural Difference in the Impact of Role Norm Appeals Cross-cultural researchers have invested significant effort to understanding the causes and consequences of cultural differences. Culture itself is a very broad concept, and depending on which aspects of culture is highlighted, some find the cause of cultural divides in the difference in language (Hamaguchi, 1977; Kashima & Kashima, 1998; Lebra, 1976), in context-dependency (Hall, 1976), in history of philosophy (King, 1985; Munro, 1985), in perception of self (Markus & Kitayama, 1991, 1998; Kashima et al., 2004), in worldview (N isbett, 2003), or in the structure of society (Lim, 2002; Lim, Allen, Burrell, & Kim, 2007). One observation is that behind these diverse frames of reference lies a common assumption that there exists a substantial cultural difference in context-dependency, particularly between Europeans and East Asians. For example, Kashima and Kashima (1998) documented a context-dependency of Japanese culture by the fact that, in Japanese language, the reference to self (i.e., first person singular pronoun) takes different forms according to varying relational contexts. Hall (1976) pointed out that Eastemers’ communication depends more on contextual cues, whereas Westerners tend to focus more on the message itself as the primary source of meaning. Markus and Some may argue that role norms are conceptually identical to subjective norms (Ajzen, 1985; Fishbein & Ajzen, 1975), which refer to one’s perception of norms dominant in his/her reference group (e.g., ‘what my family would expect me to behave '). Subjective norms, however, lack social desirability that is by definition imbedded in role norms (e.g., ‘what you ought to do as a parent ’). The norms active in one’s family, for instance, are a combination of the social norms universally embraced by most other families and the norms idiosyncratic to that particular family. It is determined that the former conveys social desirability while it remains probabilistic if so does the latter. Therefore, the norm-congruent actions induced by a subjective norm appeal might be either pro- or anti-social in nature. But the norm-conforming behaviors that a role norm appeal produces should always be pro-social. It should be also noted that the discussion of social norms and role norms here focuses on what Cialdini et al. (1990, 1993, 2000) call injunctive norms. Kitayama (1991, 1998), Kashima et al. (2004), and Lim et a1. (2007) have proposed that East Asians’ perception of self tends to vary depending on whom they communicate with at the moment while one’s identity tends to remain relatively unaffected by the relational contexts in European cultures. Recently, Nisbett (2003) and Nisbett, Peng, Choi, and Norenzayan (2001) have used a similar approach to explain cultural differences in the way of understanding and perceiving the world. Specifically, Nisbett (2003) proposes that Europeans, the descendants of ancient Greek culture, tend to possess an analytic worldview. East Asians, as the offspring of Chinese tradition, manifest a holistic tendency. This new scheme - the distinction of analytic versus holistic cultures - posits that individuals raised in societies where analytic world views prevail tend to see the world as an aggregate of objects separable from one another and fiom the context that they belong to. In analytic cultures, objects dissociated from the context receive cognitive attention in a belief that knowing individual objects’ internal attributes provide a reliable means of understanding physical and social phenomena. This cultural assumption implies that fundamental characteristics of an individual object remain relatively constant, independent of other objects and varying contexts. In contrast, Nisbett postulates that East Asians with a holistic worldview tend, as a whole, to see things in context, or are less apt to distinguish individual objects from the pertinent background. To holists, everything is interrelated and the attributes of an object change depending upon where the object is situated. Hence, the knowledge of a separated object is considered to be of little use to understand the world. Instead, knowing how things are related and being able to see their relational dynamics in context is regarded as important in holistic cultures. Existing data corroborate the assertion that analysts tend to perceive things independent of context, whereas holists’ perception of the world is more context-bound. For example, Japanese participants tended to recall better the objects placed in the background of a visual stimulus (e.g., water, rocks, or plants in an aquaritun) whereas American participants were more likely to report on the objects in the foreground (e.g., big fish in the same aquarium; Masuda & Nisbett, 2001). Also, among Japanese participants, the retention rate of a previously shown object was significantly lower when the same stimulus was presented again later against a different background than when the visual context remained unchanged. American participants, however, maintained an equal retention rate across conditions (Masuda & Nisbett, 2001). In Morris and Peng’s (1994) study, Chinese participants tended to view situational factors as more important causes of a fictitious murder case, whereas American participants were more likely to evaluate the murderer’s presumed personality traits as the primary cause of the murder (see Nisbett, 2003 for review of other related findings). Given Nisbett’s (2003) postulate, it should follow that analysts’ perception is less sensitive to social roles whereas holists’ perception is more sensitive to social roles. This is because, as mentioned, social role is by definition context-bound.4 Role recognition necessitates relational context, which changes constantly according to the object of communication. A social role comes to exist only in the presence of a relationship whether it be marriage, familial, fiiendship, or companion. One is a husband ‘in relation’ to his wife, a father ‘in relation to’ his child, a fi'iend ‘in relation to’ his/her friend, an This reasoning implicates an association between cognitive context dependency and sensitivity to social roles. Consistent with this conjecture, Dershowitz (1971) found out that children who had received domestic education that spells out role relations are more likely to manifest a field dependency, an inclination that one’s perception of objects being influenced by the background, compared to children from normal families. employee ‘in relation to’ his/her boss, etc. A social role cannot hold independent of the counterpart assuming a reciprocal role in that particular relationship (Banton, 1965). This notion implies that one’s social role keeps changing from one to another as he/she travels through various relational contexts (see James, 1950). One assumes the role as a parent when communicating with a child but acts out a student role at school, particularly before a professor. Thus, staying sensitive to varying contextual cues is imperative to role recognition. To the extent that the preceding reasoning is correct, whether or not a role factor is made apparent in a persuasion message should create a more pronounced perceptual difference among people from holistic cultures than among people from analytic cultures. This is primarily because holists are more role-sensitive and thus more likely to catch and incorporate role-related information in forming impressions of the message whereas analysts, who are relatively insensitive to social roles, would have a limited chance to do so. Presurning that it is a pan-cultural tendency for people to experience the potential sanctions from related others as more threatening than the sanctions from unrelated others, and to the extent that a proximate social sanction is more likely to produce a pro-social behavior than would a social sanction perceived as distal, holists should manifest the same behavioral tendency of analysts but to a greater magnitude. That is, a role-norm appeal should promote pro—social actions from holists more than it does from analysts, and a social-norm appeal should demote pro-social actions from holists more than it does from analysts. In fact, it has been documented repeatedly that East Asians tend to discriminate against people in whom they find little relational connection, while offering greater generosity to people tied in any form of relationship (King, 1985; Triandis, 1995). Cross- cultural psychologists (DeVos, 1973; Hamaguchi, 1977; Lebra, 1976; Lim, 2002; Lim, Allen, Burrell, & Kim, 2007; Triandis, 1995) and philosophers studying culture (King, 1985; Munro, 1985) postulate that role-dependency, which characterizes the essence of holistic culture, constitutes the primary cause of discrimination based on presence or absence of relational connections. Specifically, Munro (1985) and Lim, Allen, Burrell, and Kim (2007) conjecture that individuals in holistic societies are viewed as mutually interdependent parts of a whole, fulfilling complementary roles assigned by the whole, not as autonomous yet unique-different individuals as in analytic cultures.5 Holists are, thus, more likely to self-identify as a role player that attains significance only when functioning in the role within the whole but turns into a meaningless entity when separated from the whole or dissociated from related others (DeVos, 1973; Hamaguchi, 1977; Lebra, 1976). Empirical findings indicate that the descendants of holistic cultural heritage tend to identify themselves by referring to their social roles and often experience difficulties describing self not using role terms (Bachnik, 1994; Cousins, 1989; Cross, Kanagawa, Markus, & Kitayama, 1995; Ip & Bond, 1995; Lim, Allen, Burrell, & Kim, 2007; Markus, Mullally, & Kitayama, 1997; Rhee et al., 1995; Snyder & Gangestad, 1986) The conjecture that holists’ identity originates from their social roles translates that one’s significance as a social entity comes from the presence of related others, namely the ones that imbue the otherwise insignificant with meanings. Fulfilling one’s 5 In their original works, Munro (1985) and Lim et al. (2007) maintained the traditional term ‘individualistic culture’ to refer to the cultural characteristics of East Asian nations, which is represented by ‘analytic cultures’ in Nisbett’s book (2003 ). Simply for the sake of communication with readers, this study chose to use the term ‘analytic’ consistently throughout this manuscript. relational duties to other(s) in a relationship may thus be commensurate with respecting the actor him/herself as well as the counterpart and the relationship itself. In contrast, unrelated others should remain as unimportant social objects because of their inability to invoke an identity as a social being. Particularly, in situations where unrelated individuals communicate, there remain few rules on appropriate treatment of the counterpart or interaction rituals of politeness. Once released from all relational ties, East Asians are freed from all social restrictions regulating utterances and behaviors.6 For this reason, Chinese philosophers have warned that Chinese people, as a whole, can be cold-hearted or extremely impolite to people in whom they find few meaningful relational connections (King, 1985; see also Triandis, 1995). Building upon the preceding accounts of holistic culture, this study proposes a second set of hypotheses (see Figure 1). H2: The difference in magnitude between the persuasive impact of role-norm appeals and the persuasive impact of social-norm appeals is more pronounced in holistic cultures than in analytic cultures. H2a: A role norm appeal promotes pro-social actions more among holists than analysts. H2b: A social norm appeal demotes pro-social actions more among holists than analysts. Method Participants Participants (NTOT = 851) were recruited from the US. (NUS = 469) and South 6 The basic disciplines of Confucianism, one of the most influential life principles among most East Asian countries, have been teaching for centuries about what one ought to do in certain specific relationships but reticent on how one should behave outside those relational contexts (King, 1985; Markus, Mullally, & Kitayama, 1997). 10 Figure 1 Predicted Cultural Diflerence in Persuasive Impact of Role-Norm and Social- Norm Appeals 1 _. .i z | '0 a 1 ' - - '0- - - Holistic Culture < l ' E; i —I—Analytic Culture :3. _' ,. i i 9' i.z-.-,_,..,,_z ,3 , _-_ m, Social Norm Role Norm NORM TYPE 11 Korea (NKOR = 382) to constitute a sample of an analytic and a holistic culture, respectively. The experiment was advertised in social science classes including communication, sociology, and journalism, in both nations. The investigator was also able to reach potential American participants outside these classes using an online subject pool operated in the Communication Department at Michigan State University. Students participated in the experiment online by accessing a designated website where the experiment stimuli and measurement sets were posted. Research credits were awarded in exchange for participation. Duplicate responses were screened by examining registered IP addresses and the time points at which a particular respondent began and finished the experiment. All responses associated with an IP address that appears more than once in the server were considered as duplicates and deleted (Lehmiller, 2008). However, the duplicate response preceding all others sharing the same IP address was retained, noting that the participant’s first response cannot be contaminated by how he/she responded in a later session. Multiple responses were further detected by participant’s student ID numbers and excluded from the data set following the same procedure. In total, 125 responses were identified as duplicates, and thus eliminated from the data set. The file containing participants’ IP addresses and student ID numbers were permanently destroyed after cleaning the data. Approximately 2 percent (n = 10) of the US participants came from countries out of research interest (e.g., Latin America and Middle East) and were excluded from the US. sample. Chinese participants constituted 5.2 percent (n = 15) and Japanese participants accounted for .3 percent (n = 1) of the Korean sample. Responses from 12 Chinese or Japanese participants were kept considering that both countries manifest the holistic cultural tendency as in Korea (see Nisbett, 2003). Responses from one Latin American subject were deleted from the Korean data set. Also deleted were responses from participants who failed to report their cultural origin (n = 13). After eliminating duplicate responses and the responses from cultures out of research interest, the sample size has reduced to NTOT = 702; NUS = 412 and NKOR = 290. Sixty six percent of the US. sample were females. Mean age was 19.98 (SD = 1.56). Females constituted 48 percent of the Korean sample, with the mean age of 21 .94 (SD = 2.43). Experiment Design The predictions were examined employing a 2 (US, Korea) X 3 (role norm, social norm, no-norm control) independent groups design. Participants from each country were randomly assigned to one of the three treatment conditions, resulting in "role = 143, "social = 143, and "control = 126 in the U.S. sample, and "role = 94, "social = 104, and ”control = 92 in the Korean sample. Procedure Upon entering the experiment website, participants were asked to read the assigned message and evaluate it using a set of Likert-type items. The role norm, social norm, and no-norm control messages warned against the habit of excessive drinking among college students, the potential subject pool of this study. The role norm condition and the social norm condition were created by varying the norm type that the message uses to dissuade excessive drinking around campus. Specifically, the role norm message 13 indicated that potential negative consequences of excessive drinking may fall on their parents as well as themselves, emphasizing that avoiding excessive drinking is a part of fulfilling duties as a responsible child of their parents (i.e., “Your parents have been sacrificing themselves to raise you for almost twenty years. Now, they just want you to be safe and healthy. Drink responsibly. Responsible children do not make their parents sufler! ”). On the other hand, the social norm message reminded the reader that excessive drinking may hurt other innocent community members, urging the reader to implement the duties as a responsible community member (i.e., “Drink responsibly. Responsible community members do not make other fellow members sufler! ”). The no-norm control message attempted to deter excessive drinking without using norm appeals; it simply discussed potential negative consequences for the excessive drinker him/herself (i.e., “Drink responsibly. Protect yourself? ”). The quality of the argument remained strong across conditions. The arguments themselves presented factual or statistical evidence from qualified sources. The evidence was obtained from the website of “University Mothers Against Drunk Driving” or UMADD (2009), a nationwide organization established to help prevent college binge drinking at community level (see Appendices A and C for English messages and measures, respectively). All experimental materials were administered in the primary language spoken in the country in which the data were collected. The initial survey was created in English, and then translated and back-translated into Korean by native Korean speakers to ensure equivalence of meaning (Brislin, 1980; see Appendices B and D for Korean messages and measures, respectively). Measures 14 Induction check. Eight 5-point Likert items (1 = strongly disagree and 5 = strongly agree) were used to assess if the treatment message has induced its corresponding norm type as intended. The first four items checked if the message had manipulated the role norm (i.e., the role as a responsible child), and the latter four items tapped into the perceived salience of social norm (i.e., the role as a responsible community member). To the extent that the message induction was successful, higher ratings should result from the first four items and lower ratings from the latter four items for the role norm condition. The opposite trend should indicate successful induction for the social norm condition. Lower scores should result from all the eight items provided that the no-norm control message has induced neither. Included items were “This message points out that avoiding excessive drinking is a way of becoming a responsible child of my parents,” “This message appeals to my role obligation as the child of my parents,” “This message argues that I avoid excessive drinking as a responsible child of my parents,” “This message indicates that excessive drinking may prevent me from functioning as a responsible child of my parents.” “This message points out that avoiding excessive drinking is a way of becoming a responsible community member,” “This message appeals to my role obligation as a community member,” “This message argues that I avoid excessive drinking as a responsible community member,” and “This message indicates that excessive drinking may prevent me from functioning as a responsible community member.” Perceived salience of social sanction. To test the rationale that role norm appeals can exert a greater conformity than social norm appeals via the enhanced perception of social sanction, measures of perceived salience of social sanction were included in the 15 survey as a mediator. Four S-point Likert-items (1 = strongly disagree and 5 = strongly agree) measured the perceived salience of social sanction. Included items were “I feel like people would think less of me if I drank excessively,” “People would disapprove of me if I drank excessively,” “Our society views heavy drinkers negatively,” “Society is intolerant of excessive drinking.” Locus of consequence. Powell (1965) found that the effectiveness of a fear appeal becomes greater when the potential consequences of non-compliance were cast on the target’s family, than when the expected ramifications were said to affect the nation or the target himself (i.e., men with family). This finding led to an alternative explanation that the role norm message may produce more persuasion than does the social norm message, due to the locus of potential consequences being nearer to the subjects in the former (i.e., parents) than to the subjects in the latter (i.e., community) not because of the perceived social sanctions being made more salient in the role norm condition than in the social norm condition. This study attempted to measure and statistically control the potential nuisance effect of the locus of consequence to document a separate main impact of perceived norm salience in inducing pro-social behavior. Four 5-point Likert-items (1 = strongly disagree and 5 = strongly agree) measured the perceived locus of consequences of excessive drinking. Included items were “This message shows that excessive drinking will have consequences for people that are close to me,” “This message demonstrates the negative effects of excessive drinking that people close to me are likely to face,” “This message indicates that my excessive drinking may affect people close to me,” and “This message claims that people 16 close to me can be the potential victims of my excessive drinking.” 7 Personal and projected behavioral intention. Personal and projected behavioral intentions were the primary dependent measures. Five 5-point Likert-items (1 = not at all and 5 = very much) were used to assess the strength of participant’s behavioral intention to avoid excessive drinking. Included items were “I would be willing to sign a petition supporting regulation on excessive drinking,” “I will try to drink less in the future,” “I will avoid excessive drinking,” “If I drink, I will drink in moderation,” “I would be willing to ask my friends to drink less,” and “I would be willing to talk to my friends about binge drinking issues.” Also included were another four 5-point Likert-items (1 = not at all and 5 = very much) that purport to measure participants’ projected behavioral intention of other readers. Included items were “Many of those who read this message will avoid excessive drinking to the best that they can,” “Most people who read this message will try not to drink excessively,” “People who read this message will try dissuading their significant others from excessive drinking,” “Most people will NOT quit excessive drinking because of this message (R).” Other potential mediators: A potential threat to the internal validity of this experiment involves the treatment messages’ difference in content. That is, all three messages claimed that excessive drinking may cause serious damages, yet each approach uses different facts in doing so. In particular, the role norm appeal introduced, for example, how many college students die from excessive drinking every year, and then 7 In these items, the locus of potential consequences, either community or parents, were left unspecified but made to vary in relational closeness to make the resulting scores comparable between the role norm and the social norm condition. This arrangement assumes that people feel closer to their parents than other, mostly unknown, community members. 17 reminded that the same number of parents are losing their children to excessive drinking. The social norm appeal, on the other hand, discussed statistics on misdemeanors often committed by heavy drinkers in public space (e.g., picking fights with strangers, damaging public properties, or killing innocent people while driving under the influence of alcohol). To control for the potential nuisance effect for the messages being confounded, two additional measures were attached to the survey; argument quality and perceived severity of drinking problem. Six 5-point Likert items (1 = strongly disagree and 5 = strongly agree) measured perceived argument quality. Included items were “The argument of this message is strong,” “valid,” “flawed (R),” “high in quality,” “weak (R),” and “invalid (R).” Four 5-point Likert items (1 = strongly disagree and 5 = strongly agree) tapped into perceived severity of drinking problem. Included items were 9, ‘6' “Excessive drinking among students leads to severe and undesirable consequences, rs a ’9 6" serious problem, rs dangerous,” and “is NOT a serious problem (R).” Descriptive and injunctive norm. 8 Descriptive norm of drinking among college students was estimated using six 5-point Likert items (1 = strongly disagree and 5 = strongly agree). Included items were “It is commonplace that college students drink excessively (R),” “Most college students drink excessively now and then (R),” “Excessive drinking is prevalent among college students (R),” “Few college students drink excessively,” “In general, college students tend to drink too much on occasions (R),” and “It is usual that college students consume alcohols excessively (R).” Five 5-point Likert items measured students’ injunctive norm of drinking (1 = strongly disagree and 5 = strongly agree). Included items were “Most college students For an easrer mterpretatron of results, the responses were recoded such that higher ratings indicate a greater anti-drinking descriptive norm or a greater anti-drinking injunctive norm. 18 consider excessive drinking to be acceptable (R),” “Most students object to excessive drinking among college students,” “At my university, it is okay for college students to drink excessively (R),” “Most students at my university would think that college students should not drink excessively,” “Most students at my university disapprove of excessive drinking among college students.” T RA measures. 9 To explore for the potential impact of participant’s subjective norm on the behavioral intention, measures of subjective norm of drinking and motivation to comply were included. Both measures were sub-divided into two separate sets according to the targeted reference group; parents and community. Subjective norm of drinking in family was tapped into by using six 5-point Likert items (1 = strongly disagree and 5 = strongly agree). Included items were “Excessive drinking is acceptable in my family (R),” “My parents object to excessive drinking,” “My parents think it is okay that I drink excessively (R),” “My parents think that I should not drink excessively,” “My parents allow excessive drinking (R),” “My parents disapprove of my excessive drinking.” The measures of subjective norm of drinking in community were created simply by replacing the word ‘parents’ and ‘family’ by ‘community’ and ‘other members of my community,’ respectively. Five 5-point Likert items measured participant’s motivation to comply with parents (1 = strongly disagree and 5 = strongly agree). Included items were “It is important that I obey my parents,” “It is okay for me to disobey my parents (R),” “It is important that I do as my parents wish,” “It is important that I meet the expectations of my parents,” and “I want to do what my parents would think is a good thing.” Another As in the measures of descriptive norm and the measures of injunctive norm of drinking, the responses were recoded for higher scores to represent a greater anti-drinking subjective norm. l9 five 5-point Likert items were used to assess participant’s motivation to comply with the norm of community. Included items were “It is important that I conform to the norms of my community,” “It is okay for me to violate the norms of my community (R),” “It is important that I do as other community members would wish,” “It is important that I meet the expectations of other community members,” and “I want to do what other community members would think is a good thing.” Tests of Measurement Invariance Before testing the current hypotheses, all scales were subjected to measurement invariance tests for cultural differences. A set of items may produce factor loadings that are different in sign, magnitude, or both, across cultures due to unclear wordings or meanings that may have been lost or added in translation. Removal of such items enhances confidence that the cultural tendencies were comparable based on latent constructs functionally equivalent across cultures. Exploratory Factor Analysis (EFA) preceded the measurement invariance tests whenever the investigator was unsure about the factor structure of a given set of items. Principal Axis Analysis was conducted and the emergent factor loadings were rotated using Varimax Method for separate cultures. Only the items that consistently loaded on a same factor for both cultures were kept and then put into subsequent Confirrnatory Factor Analyses (CF A) for measurement invariance tests. Factor structures obtained by EFAs were maintained in CF As with no fiu'ther adjustments. Missing values were imputed using Full-Information Maximum Likelihood Method (F IML; Little & Rubin, 2002) to produce more precise fit indices and parameter estimates. Tests of measurement invariance were performed according to a conventional 20 procedure (Muthe’n & Muthén, 1998-2004; Steenkarnp & Baumgartner, 1998) which comprises the following four phases: (a) separate CFAs were conducted for each culture to see if the same factor structure holds across cultures; (b) a chosen factor structure was compared with the data from both cultures simultaneously, this time with all the parameters freed; (c) phase (b) was repeated with restrictions on the parameters; (d) finally, the model was fitted to the entire means-covariance structure for both cultures simultaneously. At each phase, items producing relatively large errors were eliminated to enhance model-data fit. Efforts were made to preserve the reliability of resulting estimates; when the deletion of a particular item led to a minimal improvement of the fit, the item was kept to maintain an acceptable level of degrees of freedom. Using this elimination rule, it was ensured that each latent construct has at least three indicators at the final phase. The fit of each model was estimated with Mplus (Muthén & Muthén, 1998-2004) with Comparative Fit Index (CF I) and Root Mean Square Error of Approximation (RMSEA) as fit indices. CF I compares the obtained covariance matrix to the predicted model and to a baseline null model in which all the variables included in the covariance matrix are set to be uncorrelated. As CFI approaches 1, the obtained covariance matrix better approximates the predicted model relative to the null model, and 0 for the opposite case. As an approximated rule of thumb, a CFI of .90 or higher represents a reasonable model fit. RMSEA computes the overall distance between the observed and the predicted covariance matrix, with no null models involved. Conventionally, RMSEA of less than .05 is considered as a good model fit. Both CPI and RMSEA are among the fit indices that are least affected by sample size (Fan, Thompson, & Wang, 1999). 21 Obtaining an acceptable model fit at the final phase (i.e., full measurement invariance or intercept and factor loading invariance) has rarely been found to be achievable in the discipline of cross-cultural studies (see for review Steenkamp & Baumgartner, 1998). Larger error terms resulted as more restrictions were added to the model, and most measurement invariance models failed to pass the conventional fit test, particularly RMSEAS .05, at the final phase. The conventional RMSEA criterion was thus relaxed for a mean-covariance structure to be considered as acceptable when the lower bound of 90 percent confidence interval hovered around .08 (see Table 1 for the final measures, fit indices, factor loadings, and reliability coefficients). Only the items that have survived the full measurement invariance test were used for further analysis (see Table 2 for descriptive statistics and Table 3 for full correlation matrix). Results Induction Checks Perception of roles. The induction of role perception was successful. The role norm appeal (M = 3.89, SD = 0.68, n = 237) exerted a stronger induction of participant’s reported role as a child than did the social norm appeal (M = 3.05, SD = 1.02, n = 245) or the no-norm appeal (M = 3.00, SD = 0.90, n = 217); F (2, 693) = 73.22, p < .001, n2 = .17. A contrast coefficient test (i.e., “role norm” = + 2, “social norm” = “no norm” = — 1) produced a similar result, t(696) = 12.41, p < .001, n2 = .18. Tukey B post-hoe comparisons also indicated that the role norm message induced the perception of child role more powerfully than did the social norm or the no norm control condition, which produced equally less powerful inductions of role perception as a child. 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Tukey B post-hoc comparisons also indicated that the social norm message induced the perception of role as a community member more strongly than did the role norm or the no norm control condition, which produced non-different and less powerfiil inductions of role perception as a community member. The induction strength of perceived role as a community member, however, also varied by culture, F (1, 696) = 18.43, p < .001, n 2 = .03. Across conditions, the US. participants (M = 3.63, SD = 0.83, n = 412) experienced a stronger sense of role obligation as a community member than did the participants in South Korea (M = 3.36, SD = 0.83, n = 290). The interaction between culture and norm type was within sampling error at level a = .05. Perceived social sanction. The main effect for the treatment on perceived social sanction was not statistically significant, F (2, 695) = 0.05, p > .09, n 2 < .001. The perception of social sanction, however, varied by culture, F (1 , 695) = 34.03, p < .001, n 2 = .05. Specifically, heavy drinkers were perceived as deserving greater social sanctions in the US. (M = 3.26, SD = 0.80, n = 412) than in South Korea (M = 2.92, SD = 0.72, n = 289). The culture by treatment interaction was non-significant at level a = .05. 32 Perceived argument quality. Perception of argument quality remained relatively invariant across the treatment conditions, F (2, 696) = 2.06, p > .13, n 2 = .005. The impact of culture on perceived argument quality, however, was statistically significant, F(1, 696) = 123.20,p < .001, n2 = .15. Korean participants (M= 2.89, SD = 0.65, n = 290) rated the message as lower in argument quality than did the US. participants (M = 3.47, SD = 0.70, n = 412). The interaction between culture and treatment produced non- significant impact on perceived argument quality. Perceived locus of consequence. Compared to the no norm appeal (M = 3.43, SD = 0.80, n = 218), the role norm appeal (M = 3.88, SD = 0.69, n = 237) and the social norm appeal (M = 3.82, SD = 0.65, n = 247) were associated with greater perceptions of the potential consequence of excessive drinking for people close to the participants themselves, F (2, 696) = 24.10, p < .01 , 11 2 = .06. Tukey B post-hoc analysis found the mean difference between the role norm appeal and the social norm appeal as statistically insignificant however. Cultural difference affected the perceived locus of consequence, but was trivial in magnitude, F (1, 696) = 5.00, p < .05, n 2 = .007. The culture by treatment interaction was not significant at a = .05. Perceived severity of drinking problem. The treatment produced little variance in perceived severity of drinking problem, F(2, 695) = 0.25, p > .78, n 2 < .001. A significant culture difference existed however, F (1 , 695) = 26.37, p < .001, n 2 = .04. The US. participants (M = 3.88, SD = 0.72, n = 412) found the problem of student drinking as more severe than did the Korean participants (M = 3.59, SD = 0.76, n = 289). The culture by treatment interaction failed to produce significant impact on the dependent 33 variable. Descriptive norm of drinking. Participants exposed to the social norm appeal (M = 2.29, SD = 0.64, n = 246) found that excessive drinking in college is slightly less predominant than the participants who read the no norm appeal (M = 2.14, SD = 0.58, n = 218); F(2, 695) = 4.61, p = .01, 11 2 = .01. Tukey B comparisons indicate that the mean of the role norm condition (M = 2.25, SD = 0.64, n = 23 7) significantly differs from neither the mean of the social norm condition nor the mean of the role norm condition. The main impact for culture was significant, F(1, 695) = 33.99, p < .001, n2 = .05; Korean participants (M = 2.39, SD = 0.67, n = 289) viewed excessive drinking among students as less prevalent than did the US. participants (M = 2.12, SD = 0.56, n = 412). The culture by treatment effect fell within sampling error. Injunctive norm of drinking. The main effect for treatment was statistically significant, F(2, 696) = 4.53, p < .05, 11 2 = .01. Specifically, the participants in the social norm condition (M = 2.64, SD = 0.71, n = 247) perceived the norm against excessive drinking as stronger than the participants in the role norm condition (M = 2.49, SD = 0.69, n = 237) or the participants in the control condition (M = 2.44, SD = 0.69, n = 218). Tukey B post-hoe test grouped the role norm and the control condition as a homogeneous subset. Reported injunctive norm also varied by culture, F (1 , 696) = 15.40, p < .001, 11 2 = .02; perceived social disapproval of excessive drinking was stronger among Korean participants (M = 2.65, SD = 0.63, n = 290) than among the US. participants (M = 2.44, SD = 0.73, n = 412). The culture by treatment interaction produced non-significant impact on the perception of injunctive norm. 34 Subjective norm of parents. Neither treatment nor culture had significant impact on participant’s subjective norm of parents on drinking. Their interaction term also remained within sampling error of zero at level a = .05. Subjective norm of community. Analysis indicates a significant main effect for culture, F(1, 694) = 10.19, p = .001, r] 2 = .02. Specifically, the community’s norm against excessive drinking was reported as more powerful among the US. participants (M = 3.52, SD = 0.83, n = 410) than among the participants in South Korea (M = 3.34, SD = 0.65, n = 290). Neither the main effect for treatment nor the culture by treatment interaction passed the significance test at level a = .05. Motivation to comply with parents. A stronger motivation to comply with parents resulted among the US. participants (M = 3.84, SD = 0.63, n = 411) than among Korean participants (M= 3.50, so = 0.65, n = 290);F(1, 695) = 47.05, p < .001, n2 = .06. The main effect for treatment and the interaction between culture and treatment produced non-significant impact on motivation to comply with parents. Motivation to conform to the community’s norm. The main effect for culture was statistically significant, F(1, 695) = 15.80, p < .001, n 2 = .02. The US. participants (M = 3.13, SD = 0.84, n = 412) had a greater motivation to follow the norm of community than did their counterparts from South Korea (M = 2.89, SD = 0.74, n = 289). The p—values for the treatment effect and the culture by treatment interaction exceeded .05. Hypothesis Testing H1 and H2 were tested with 2-way independent groups AN OVAs examining the effects of norm type and culture on behavioral intention (BI) and projected behavioral 35 intention (PBI) to avoid excessive drinking. H1 predicted that a role norm appeal is to produce a stronger intention to avoid excessive drinking in participants (BI) than would a social norm appeal. Non-significant main effect resulted for norm type, F (2, 696) = 0.13, p > .80, n 2 < .001. A similar finding resulted when the analysis was rerun after excluding the control condition, F (1, 480) = 0.01 , p > .90, r] 2 < .001. Null findings continued when the projected behavioral intention (PBI) served as the dependent measure; F (2, 696) = 0.73, p > .40, n 2 = .002 with the control condition included, and F(1, 480) = 0.14, p > .70, n 2 < .001 with the control condition excluded. The current data were therefore inconsistent with H1. H2 was also inconsistent with the data because the culture by treatment interaction effect was not statistically significant for either dependent measures; F (1, 480) = 0.1 l,p > .70, n2 < .001 for Bland F(1, 480) = 0.23,p > .60, n2 < .001 for PBI. An ANCOVA was conducted to examine H2 controlling for the nuisance effect of potential covariates; age and sex. Both age and sex explained a significant amount of variance in BI, F(1, 470) = 5.41,p = .02, n2 = .01 and F(1, 470) = 14.39,p < .001, n2 < .03, respectively. A subsequent regression analysis indicated that female respondents (M = 3.62, SD = .78, n = 275) had a greater intention to drink less than male respondents (M = 334,51) = .76, n = 203), [3: .16, t(473) = 3.49, p = .001,n2 = .03. The impact of age, however, became insignificant when entered into the equation with sex presumably due to the more powerful impact of sex suppressing the impact of age, B= - .03, t(473) = - .68, p > .40, n 2 = .001. Regardless, only a minimal increase in F -value resulted for 36 culture by treatment interaction effect for BI, with confirming the same null finding as above; F(l , 470) = 0.38, p > .50, n2 < .001. Entering age and sex as covariates made little contribution in reducing the error variance for PBI; F (1 , 470) = 2.86, p > .09, n 2 = .005 and F(1, 470) = 0.28, p = .60, n2 < .001, respectively. The culture by treatment interaction remained as statistically non-significant as a result, F (1, 470) = 0.38, p > .50, n2<.001. AN OVA detected a significant main effect for culture. Specifically, Korean participants (M = 3.61, SD = 0.69, n = 198) were more willing to avoid excessive drinking, F(1, 480) = 6.76, p = .01, n2 = .01, than American participants (M= 3.42, so = 0.84, n = 286). Korean participants (M = 2.83, SD = 0.75, n = 198) also had a greater expectation of other readers’ compliance, F (1 , 480) = 30.15, p < .001, n 2 = .06, compared to their US. counterparts (M = 2.46, SD = 0.71, n = 286). Figures 2 and 3 visually represent the results from hypothesis testing for comparison with the initial prediction depicted in Figure l. Exploratory Structural Equation Modeling Investigation continued to explore paths linking the induction of role obligation to behavioral intention, and their possible cultural differences. Conj ectured path models were compared to the data using Structural Equation Modeling technique (SEM). Mplus (Muthén & Muthén, 1998-2004) computed path coefficients and estimated model-data fit, enabling to assess the empirical validity of each model. Missing responses were approximated using FIML in producing parameter estimates (Little & Rubin, 2002). Phase I. A full path model was first created to incorporate all the variables 37 Figure 2 Found Cultural Difference in Persuasive Impact of Role-Norm and Social-Norm Appeals (Behavioral Intention) . o ......... """"" o E" u: "-0-- Korea [WILL DRINKLESS l: 9) UI LII Ur S” A ._. A_.._ .2... _. _-_.._._._..__ 7 ,_._v _. _ _ ._r g. _‘ —. __ Community Merrber Child NORM TYPE 5» 9’!» wan 38 Figure 3 Found Cultural Difference in Persuasive Impact of Role-Norm and Social—Norm Appeals (Projected Behavioral Intention) 31 I o ------------ 2.8 ‘ """"" 9 ..lU) u—lm I 53 l ---o---Korea >.. E26l En: l -—I—US D 1 e a 2.44‘ l ! 2.2t__,__._ — — 4 a - ~ ~ a Commnity Member Child NORM TYPE 39 measured for this study. The induction was dichotomized for an easier interpretation of the results by dummy coding for the three treatment conditions, which resulted in the induction of role norm and the induction of social norm as two separate independent variables. All measured intervening variables were entered as potential mediators. That is, perceived social sanction, argument quality, locus of consequence, and perceived severity of drinking problem were specified to relay the impact of perceived role salience (i.e., sensitized role obligation as a child or a community member) to behavioral intention and projected behavioral intention simultaneously. Descriptive norm, injunctive norm, subjective norm of parents, and subjective norm of community were also considered as mediators although they may in fact constitute antecedent variables exerting direct impact on the dependent measures independent of the message induction. 10 These decisions reflect the notion that the resulting path coefficients may reveal the position of a particular variable in the equation model. Specifically, a particular variable substantially correlated with both of the presumed antecedent(s) and the consequence(s) is likely be a mediator, whereas non-induced antecedents can affect the dependent(s) while minimally affected by other independent(s). The intervening variables were entered in the model, unordered, as few theory- based predictions were available to determine the order amongst them. A researcher, however, can determine post-hoc the order among mediators in a causal chain through observing the size of their respective path coefficients to the dependent variable(s). 10 The subjective norm in the model constitutes the product of the initially measured subjective norms and the motivation to comply with the corresponding reference group (i.e., parents or community). This decision followed the assumption that subjective norm alone may not exert powerful influence on behavioral intention particularly in the absence of motivation to comply; one may believe that it is important to do as his/her parents would wish yet still lacking in motivation to actually do so. That is, one’s subjective norm is likely to impact his/her behavior in reality only when combined with the motivation to conform to the norm of the reference group. 40 Specifically, a mediator more powerfully correlated with the dependent variable is likely to rest nearer to the dependent variable than a mediator less correlated with the consequence. This statistical decision rule, however, becomes tenable only when it corresponds to reasonable conjectures derivable from the pertinent literature. The full model was compared with the data separately for each culture. The data from both cultures produced a reasonable fit to the model although the path coefficients differed in size (see Figures 4 and 5 for the models and fit indices). The model, however, provided too complicated a picture of cognitive process, making it difficult to comprehend and explain in a coherent manner. One major cause of this problem involves retaining small but statistically significant path coefficients. The small path coefficients seem to have passed the significance test due to the relatively large sample sizes (i.e., NUS = 412 and NKQR = 290) rather than to exhibiting substantial associations. Keeping minor path coefficients just for statistical significance is prone to lower the probability that the model replicates in future studies, particularly when the model was built for exploratory purposes under little theoretical guidance (Rakov &Marcoulides, 2000). Following this rationale, the significance level a was lowered from .05 to .01, and path coefficients associated with p > .01 were deemed as statistically insignificant and eliminated from the model. Figures 6 and 7 illustrate thus reduced path models for the US. and South Korea, respectively. The path models in Figures 8 and 9 are identical to those in Figures 6 and 7, respectively, but simplified after excluding constructs all of whose paths were removed for being insignificant. The reduced models were tested with the trivial paths excluded. Results, however, suggested a further model adjustment for both samples. For the US. sample, the 41 .3580 0.53 8.83508 53 280$:me A82 .3. u e .02: “a Emu—$36 £3qu8 0.3 3.56508 53 =<... 8.82 3:835 355868 — 353$ — .502 25835 —4/ E , $55.59 «N 355568 8:85. m fl 2 29m 88%.: v/ a. a. 3 .562 >\ 2 0231809 mm :s a. .5365 MN bE>om e T v\ e. .N 4 genes m \ 6863628 as £38 a. £28 38035 mace..— o_o~_ cocoa-9: 44” 2 cm M: $56 \ cm omammo—z 5:82am 333.65— ...Qo. ... .6 $36.. aeaum / _ mm a 89.25 m \ £28 3 _ 6.28 _ @080qu 23— 5:26:— ./ mm mm .5588 323.6“— :5. n a :33 §om mm 0.0: pm :38sz a _ mm 8:53 m \ 885m £28 828 380.85 mm 323.3 mm 23— 3 5:26:— om two. N U ”530; $80m 2 mm £25 03302 E «v m— :2225 m >\ .55st £28 2228 0080.85 mm “003020; 20% av conga:— cvo. u a $38 $3,..me £3. n om 23— 53265 _ 8 8 8 .8352: m 38.32 5:22am 32832 0.3. zero—.6:— ‘ 8 II.— 6.28 3. III— £28 mm 832 0265?: 28. n 6 833 28.822 88. n .8852 ”88. n Eu :8. v a .88 "8 2.. 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As aforementioned, however, the two models are incomparable, particularly for the impact of a variable present in one model but absent in the other. Phase 2. Further efforts were made to create a culturally equivalent structural equation model, which would justify testing for potential culture difference in interrelationships among the constructs of research interest. The two tendencies common for both nations provided the basis for constructing the new model; the main effect for perceived problem severity on behavioral intention and the impact of perceived social sanction on projected behavioral intention. A conjecture arose by extending these observations that the norm variables (i.e., injunctive norm, descriptive norm, and subjective norm) may predict projected behavioral intention independent of the message, whereas participants’ own behavioral intention can be better explained with the immediate outcomes of message induction (i.e., perceived social sanction, perceived argument quality, perceived severity of problem, and the locus of consequence). The model explained the data adequately with CFI = .893 and RMSEA = .046. The results, however, suggest that a second-order unidimensionality model is invalid for the norm factor. Neither the injunctive norm nor the descriptive norm hung together with the subjective norm constructs, with contributing little to the higher-order norm component; 2 = .04 and -.24, respectively. As an alternative, the injunctive and the descriptive norm construct were isolated from the two subjective norm constructs, and presumed to be second-order unidimensional on their own. Two independent second-order norm factors evolved as a result. The model-data fit remained as acceptable after the adjustment; CFI 56 = .903 and RMSEA = .044. Still, the second-order unidimensionality assumption failed to hold for the injunctive and the descriptive norm components, particularly due to their factor loadings being substantially different in size; 2 = .40 and .95, respectively. Moreover, the second-order factor for the injunctive norm and the descriptive norm construct behaved in unpredictable ways when related with other constructs; it correlated negatively, albeit insignificantly, with the subjective norm factor while producing a significant negative impact on projected behavioral intention. The injunctive norm and the descriptive norm constructs were excluded from further fit tests for instability in factor structure. The model after the adjustment seemed to assimilate the traditional TRA model particularly when considering the perception of the message as a proxy of the participant’s attitudes on drinking (see Figure 14). This time, both the attitude components and the norm components substantially loaded onto their corresponding second-order factor. The model-data fit was acceptable when tested with the entire sample; CFI = .924 and RMSEA = .044. The model also fit the data separated by culture; CFI = .918 and RMSEA = .042 for the US. and CFI = .919 and RMSEA = .039 for Korea (see Figures 15 and 16). The model, however, seemed far fi'om ideal for either country when examining the factor loadings and path coefficients. In the US. data, social sanction hardly hung on the second-order factor for message perception (Q = .38) and the second-order construct for subjective norm had a negative impact on projected behavioral intention (B = - .24), which is inconsistent with past findings. Moreover, B: - .24 was statistically non-significant while a smaller partial correlation (i.e., [331-1431 = .18) passed significance test at the same level alpha. This result originated from the 57 8. u a 8 2.858% 8.888: 03 38.0808 £8 .28 =< :8. A a ... 3:08.— Zm 1/ X _ m S nos—.02: m ...oN - A§§EEouv _ mm A§§EEQUV 38.38 23— 8885 NV 3 Vm om « VN . :2385 AEEUV AEEUV _Bo_>20m we . cm 23— . mv _ 550.65 3. 2. mm 3 888028 bt0>0m 5:030 couogm be 80°..— v0>_00._0m 093002 300m .. :8. u a 838 §N0m .0202?— 888088 .«o 953 88. u .0 838 88:2: 68. n <82: :3. u 20 :8. v N: .98 "8 .88: u N N 8.8 382 5: 2 2.8: — 98888288 _ 8885 — AEEUV 888.: 59 S. H a an Emu—mama b—aocmtfim 08 356508 53 850 =< :o. 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