Statut numérique et effets d'homogénéité: une question d'auto-stéréotypisation?
Group size and homogeneity effect: a matter of self-stereotyping?

Summary/Abstract: The aim of this study was to show that the in-group homogeneity asymmetries noticed to minorities' and majorities' members correspond to an in-group size effect on self-stereotyping. Individuals belonging to a minority group increase in-group homogeneity perception (hypothesis 1) endorse in-group stereotypical traits and reject out-group stereotypical ones (hypothesis 2). Two experimental studies, the first one using minimal groups and the second one based on the quasi-minimal paradigm, confirm hypothesis 1 showing in the same time that in-group size determine homogeneity effects only if the self is salient. Moreover the minority's members' tendency to increase in-group homogeneity perception is associated with an endorsement of stereotypical in-group traits but, contrary to the hypothesis 2, is not associated with a reject of stereotypical out-group traits. In contrast, people belonging to a majority group define themselves as unique exemplars of their group; they appropriate in-group stereotypical traits and reject out-group stereotypical traits.

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