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Social categorization and similarity in intergroup behaviour
Author(s) -
Billig Michael,
Tajfel Henri
Publication year - 1973
Publication title -
european journal of social psychology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.609
H-Index - 111
eISSN - 1099-0992
pISSN - 0046-2772
DOI - 10.1002/ejsp.2420030103
Subject(s) - categorization , psychology , similarity (geometry) , social psychology , outgroup , relevance (law) , ingroups and outgroups , social group , social category , social cognition , cognition , cognitive psychology , linguistics , artificial intelligence , philosophy , neuroscience , computer science , political science , law , image (mathematics)
Abstract The present study is one of a series exploring the role of social categorization in intergroup behaviour. It has been found in our previous studies that in ‚minimal' situations, in which the subjects were categorized into groups on the basis of visual judgments they had made or of their esthetic preferences, they clearly discriminated against members of an outgroup although this gave them no personal advantage. However, in these previous studies division into groups was still made on the basis of certain criteria of ‚real' similarity between subjects who were assigned to the same category. Therefore, the present study established social categories on an explicitly random basis without any reference to any such real similarity. It was found that, as soon as the notion of ‚group' was introduced into the situation, the subjects still discriminated against those assigned to another random category. This discrimination was considerably more marked than the one based on a division of subjects in terms of interindividual similarities in which the notion of ‚group' was never explicitly introduced. In addition, it was found that fairness was also a determinant of the subjects' decisions. The results are discussed from the point of view of their relevance to a social‐cognitive theory of intergroup behaviour.

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