| Abstract: | Tested a model of group polarization derived from social identity theory, proposing that if group members conform to group norms, attitude polarization could occur only if group members perceive those norms as more extreme than they "objectively" are. In Exp I, 60 undergraduates perceived attitude-relevant information attributed to speakers who were categorized as a group as representing a more extreme position of the issue than when the same information was attributed to noncategorized individuals. Attitude polarization occurred when Ss believed the information came from their in-group. As predicted, this polarization resulted from Ss' adoption of the "extremitized" in-group norm. In Exp II, categorization was manipulated by focusing 42 Ss on their group performance or on their individual performance. When Ss were focused on their group membership, group norms were perceived as more extreme, and attitude polarization due to conformity to these extremitized norms occurred. When Ss were focused on their individual performance, no extremitization occurred, and attitudes shifted to a more neutral position on the issue. (34 ref) (PsycINFO Database Record (c) 2011 APA, all rights reserved) |
