Three studies investigated the determination of social discrimination by the valence of stimuli that are allocated between groups. The studies were based on either the minimal group paradigm or a more reality-based laboratory intergroup setting, with stimulus valence, group status, and group size as factors and with pull scores on Tajfel matrices…

Social identity theory holds that social group memberships become part of the psychological self, affecting thoughts, feelings, and behavior. However, tests of this hypothesis have mainly involved judgmental dependent measures. A method is suggested that can provide more direct evidence. Discusses use of that method. (KW)

The experiments here reported represent attempts to produce "equal status interaction" in four-man groups of junior high school boys, two of whom are white and two black. The theory is that equality is not a consequence of interracial task performance. Rather, it is likely that generally held beliefs about the differential competence of…