Evolution and Social Cognition: Contrast Effects as a Function of Sex, Dominance, and Physical Attractiveness

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Abstract
Previous research indicates that males, compared with females, evaluate their relationships less favorably after exposure to physically attractive members of the other sex. An evolutionary model predicts a converse effect after exposure to opposite-sex individuals high in dominance, which should lead females to evaluate their current relationships less favorably than males. Women and men rated their current relationships after being exposed to opposite-sex targets varying in both dominance and physical attractiveness. Consistent with earlier research, males exposed to physically attractive, as compared with average, targets rated their current relationships less favorably. Males' relationship evaluations were not directly influenced by the targets' dominance, although the effect of physical attractiveness was significant only for men exposed to women low in dominance. However; females' evaluations of their relationships were unaffected by exposure to physically attractive males but were lower after exposure to targets high in dominance. These data support predictions derived from an evolutionary model and suggest that such models can be used to generate testable hypotheses about ongoing social cognition.