Abstract
Previous research has supported adaptationist hypotheses pertaining to the functional coordination of personality strategies with phenotypic determinants of bargaining power, such as physical strength and attractiveness. However, prior studies have focused primarily on explaining variation in Extraversion and Emotionality/Neuroticism as broadband traits. The current study synthesizes data from three subject samples (N = 766) to test correlations of physical strength and attractiveness with the HEXACO factors and facets among young adults. Our analyses reveal specific, functionally meaningful, patterns of phenotypic coordination, and thereby help illuminate which facets drive previously documented associations at the factor-level. Among both sexes, strength was an especially important predictor of facets whose secondary loadings place them in the quadrant of factor space defined by high Extraversion (Expressiveness, Liveliness, Social Boldness) and low Emotionality (Fearfulness, Anxiety). Findings bolster the hypothesis that specific personality strategies are coordinated with phenotypic components of bargaining power, and suggest that granular measures of personality (such as facets) may provide more mechanistic and functional insight than broadband trait factors.
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