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Validity Evidence of the Social Dominance Orientation Scale in Brazil

Abstract

This study aims to cross-culturally adapt the Social Dominance Orientation Scale (SDO7) for the Brazilian context, propose a reduced version of the instrument, and assess its factor structure and validity evidences. Participants included 1,056 individuals across four different samples collected online. Confirmatory factor analyses indicated the best fit indices for the original four-factor structure, two substantial (Dominance x Anti-Egalitarianism) and two methodological (pro-trait x counter-trait). The substantial factors had Cronbach’s alpha values above 0.70 in all samples. Furthermore, both the long and reduced versions of the scale were highly correlated with political self-categorization. Hence, the instrument in its long and reduced versions showed good validity and reliability evidences for the Brazilian context and can be used in future studies.

Keywords:
SDO; social dominance; cross-cultural adaptation; psychometrics; social psychology

Universidade de São Francisco, Programa de Pós-Graduação Stricto Sensu em Psicologia R. Waldemar César da Silveira, 105, Vl. Cura D'Ars (SWIFT), Campinas - São Paulo, CEP 13045-510, Telefone: (19)3779-3771 - Campinas - SP - Brazil
E-mail: revistapsico@usf.edu.br