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Validity Evidences of the Social Dominance Orientation Scale in the Brazilian Context


  • Felipe Vilanova Pontificia Universidade Catolica do Rio Grande do Sul
  • Damião Soares Universidade Federal do Rio Grande do Sul
  • Michael de Quadros Duarte Universidade Federal do Rio Grande do Sul
  • Angelo Brandelli Costa Pontifícia Universidade Católica do Rio Grande do Sul



sdo, social dominance, egalitarianism, adaptation


This study aims to cross-culturally adapt the SDO7 for the Brazilian context, propose a reduced version of the instrument, assess its factor structure and validity evidences. Participants were 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 displayed good validity and reliability evidences for the Brazilian context and can be used in future studies.


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Applied Social Sciences