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Social dominance orientation (SDO) is defined as the individual disposition to accept hierarchy and dominance among groups. The measurement of SDO has evolved accordingly with the development of the theory, providing several versions of this scale. This scale has demonstrated indicators of reliability and validity across contexts, but it also has some limitations related to potential ambiguities and the phrasing of items. In this article we present the adaptation and validation of the SDO7 scale in Spanish for the Colombian context, where some of these limitations are addressed. In 2 studies conducted with conventional samples (nStudy1 = 394; nStudy2 = 867), we provide evidence for the psychometric properties of the scale and the predictive validity of its dimensions on social/political attitudes within the Colombian context. Factor analyses confirmed the factorial structure of two substantive dimensions of SDO (dominance and anti- egalitarianism). Regression analyses suggested that both dimensions, dominance and anti-egalitarianism, were accordingly associated with different attitudes that justify inequality: Dominance was associated with more explicit and hostile attitudes, whereas anti-egalitarianism was linked to subtler measures that maintain inequality. This article contributes to the comprehension of one of the processes related to the legitimacy of inequality and to the development of tools for its empirical research. [ABSTRACT FROM AUTHOR]

Abstract: We suggest that because racial discrimination claims made by Blacks potentially challenge the legitimacy of racial inequality, whereas racial discrimination claims made by Whites potentially reinforce the legitimacy of racial inequality, social dominance orientation (SDO) may differentially predict reactions to Black and White discrimination claimants. Consistent with this idea, Studies 1 and 2 suggest that negativity toward Blacks who make discrimination claims increases as a function of participants' SDO, while SDO predicts increased positivity toward Whites who make discrimination claims. Moreover, Study 3 demonstrates that differential reactions to White discrimination claimants as a function of SDO are particularly likely to occur when racial inequality is thought to be unstable; when racial inequality is thought to be stable, SDO does not predict positive reactions to White discrimination claimants. In all, the reported studies provide evidence for the idea that reactions to Black and White discrimination claimants may serve a role in respectively challenging or reinforcing racial inequality. [Copyright &y& Elsevier]