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Article

2d: 4d, Big Fives and Aggression in Young Men of Caucasian, Ural and Asian Origin

Social Evolution & History. 2019. Vol. 18. No. 1. P. 110-126.
Butovskaya M., Rostovtseva V., Mkrtchjan R.

According to modern views on human bio-sociality, Big Five person- ality traits have been shaped in the process of human evolution and their expression is an outcome of the complex interaction of prenatal predispositions and cultural environment. Present study investigates the impact of prenatal androgenization and cultural norms on the per- sonality traits in adult men from four ethnic groups living on the terri- tory of Russian Federation. The study was conducted on 263 young men (age range 17–30 years), including Russians, Armenians, Ob- Ugric and Buryats. The results revealed significant population diffe- rences in 2D:4D ratios on both hands, with lowest ratios for Asian sample, increasing in populations to the West. Significant ethnic dif- ferences were found for Openness to New Experience, Conscientious- ness, and Neuroticism. Positive association between 2D:4D ratios on the right hand and Agreeableness in men with no respect to population origin was detected. This relationship becomes stronger, when controlling for aggressiveness.