Abstract
AbstractThe aim of the study was to assess the heritability as well as the personality correlates of sociopolitical attitudes in a Polish sample. Attitudes were examined on two separate dimensions: (1) moral conservatism and liberalism; and (2) free market economy and state interventionism. The studied sample comprised three groups of participants: (1) 242 twin pairs aged 18 to 25 years (119 monozygotic [MZ] and 123 dizygotic [DZ] same-sex twins reared together); (2) 358 females and males (‘nontwins’) of various professions aged 35 to 64 years; and (3) 197 male and female technical university students aged 19 to 25 years (‘nontwins’). We detected substantial genetic factor input exclusively in the variability of results on the conservatism–liberalism scale (.28). Results on both scales were explained to a large extent by the impact of shared environment, and to a lesser extent by the nonshared environment. Only in the student group was a significant negative correlation found between attitudes toward economy and neuroticism, extraversion, agreeableness and conscientiousness. Openness to experience correlated negatively with attitudes towards issues of morality in the adult female and male group (the remaining correlations were statistically insignificant).
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