Observational study reveals greater perceived personal variability within in-groups than out-groups among club members, suggesting cognitive bias independent of familiarity or favoritism.
Members of four undergraduate clubs rated their own club as more heterogeneous on a series of personal characteristics than they rated the three other clubs. This tendency was unrelated to the number of in-group or out-group members known, or to the degree of preference for the in-group.
No takes yet. Share an insight, caveat, or question.
JONES et al. (1981) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: