Social dominance theory

Theory of intergroup relations

Social dominance theory (SDT) is a social psychological theory of intergroup relations that examines the caste-like features of group-based social hierarchies, and how these hierarchies remain stable and perpetuate themselves. According to the theory, group-based inequalities are maintained through three primary mechanisms: institutional discrimination, aggregated individual discrimination, and behavioral asymmetry. The theory proposes that widely shared cultural ideologies provide the moral and intellectual justification for these intergroup behaviors by serving to make privilege normal. For data collection and validation of predictions, the social dominance orientation (SDO) scale was composed to measure acceptance of and desire for group-based social hierarchy, which was assessed through two factors: support for group-based dominance and generalized opposition to equality, regardless of the ingroup's position in the power structure.

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