Since its introduction, the Need for Closure scale (NFC, Webster & Kruglanski, 1994, revised by Roets & Van Hiel, 2007

The present study explores the influence of need for closure as well as authoritarian submission (Right-Wing Authoritarianism [RWA]) and authoritarian dominance (Social Dominance Orientation [SDO]) on the genesis of conservative beliefs and racism. For this purpose, two structural equation models were compared. In Model 1, RWA and SDO were entered as independent variables and the need for closure facets Decisiveness and Need for Simple Structure acted as mediator variables. In Model 2, the need for closure facets served as independent variables and RWA and SDO acted as mediators. In two student samples (Sample 1, N = 399, Sample 2, N = 330) and one adult sample (Sample 3, N = 379), Model 2 showed superior fit to the data. These results corroborate the hypothesis that authoritarianism should be interpreted in terms of generalized beliefs rather than in terms of personality characteristics. In addition, analyses show that the effects of Need for Simple Structure on conservative beliefs and racism are fully mediated by RWA but only partly by SDO. These results suggest a differential genesis of RWA and SDO.

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The present study tests whether the magnitude of the relation between Right-Wing Authoritarianism (RWA) and Social Dominance Orientation (SDO) is stable across and within cultures, whether their differential relations with value orientations and sociopolitical attitudes remain stable in spite of these possible differences, and whether their differential relations point to a different genesis. For these purposes, two student samples (total N = 684), three adult samples (total N = 553), and a political activist sample (N = 69) were gathered in Belgium, and one adult sample (N = 235) was collected in Poland. Both crossand intracultural differences in the strength of the RWA-SDO relation emerged. These can be attributed to specificities in sociopolitical context and differences in political socialization, interest, and involvement. In spite of these fluctuations, in the strength of the RWA-SDO relation, regression analyses revealed high stability of the relation between RWA-SDO and sociopolitical attitudes, and mediation analyses supported the hypothesis of their different genesis.