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Y. J. Weisberg, C. G. Deyoung, J. B. Hirsh: Gender Differences in Personality across the Ten Aspects of the Big Five. In: Frontiers in psychology. Band 2, 2011, S. 178, doi:10.3389/fpsyg.2011.00178, PMID 21866227, PMC 3149680 (freier Volltext).