Japanese Psychological Research
Online ISSN : 1468-5884
Print ISSN : 0021-5368
Effects of cohesiveness and inferiority upon ingroup favoritism
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1988 Volume 30 Issue 2 Pages 49-59


The hypotheses of the present study were as follows:(a) The more cohesive the ingroup is, the greater the ingroup favoritism will be;(b) When a high-cohesive ingroup is inferior to the outgroup on a certain dimension, inferiority will increase ingroup favoritism on another dimension, whereas in a low-cohesive ingroup, inferiority will have a derogatory effect. Male undergraduates participated in three-man discussion groups, and were told that they would be observed by female college students. Inferiority was manipulated by means of fictitious feedback ratings from the (non-existent) female students. Cohesiveness was manipulated by bogus feedback of attractiveness ratings among the ingroup members. Ingroup favoritism was measured by the differences between the ratings of two essays, one of which was purportedly written by an ingroup member and the other by an outgroup member. The hypotheses were largely supported. The present results validated the assumption that intergroup social comparison processes mediate ingroup favoritism.

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