Personality refers to stable patterns in the ways that an individual thinks, behaves, and emotes across situations and the passage of time. An appreciation of personality is central for understanding oneself and navigating the social world. McAdams and Pals (2006) have argued that an evolutionary perspective on psychology is a powerful approach to understanding personality as it sheds light on the origins of universals of human nature, the ways in which humans are similar to certain others, and the manner with which each human is distinct. An evolutionary approach to personality also draws attention to the impact of our nonhuman heritage: Aspects of our human genome, physiology, and behavioral phenome are shared across species. Given the eusocial nature of the human species, many of our traits have been shaped by contingencies of cooperation and competition for survival resources with members of our own species and...
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