Social Identity Theory
Social Identity Theory (SIT; Tajfel, 1978; Tajfel & Turner, 1979) begins with the premise that individuals define their own identities with regard to social groups and that such identifications work to protect and bolster self-identity. The creation of group identities involves both the categorization of one’s “in-group” with regard to an “out-group” and the tendency to view one’s own group with a positive bias vis-a-vis the out-group. The result is an identification with a collective, depersonalized identity based on group membership and imbued with positive aspects (e.g., Turner, Hogg, Oakes, Reicher, & Wetherell, 1987).
SIT is a classic social psychological theory that attempts to explain intergroup conflict as a function of group-based self-definitions.
Intergroup relations; out-group discrimination; social psychology of groups; group dynamics
SIT grew out of Henri Tajfel’s early work, which attempted to apply cognitive grouping...
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