Assessing causal pathways between physical formidability and aggression in human males

Michael Bang Petersen, Christopher Dawes

    Research output: Contribution to journalArticle

    Abstract

    Studies suggest the existence of an association between the physical formidability of human males and their level of aggression. This association is theoretically predictable from animal models of conflict behavior but could emerge from multiple different causal pathways. Previous studies have not been able to tease apart these paths, as they have almost exclusively relied on bivariate correlations and cross-sectional data. Here, we apply longitudinal twin data from two different samples to (1) estimate the direction of causality between formidability and aggression by means of quasi-experimental methods and (2) estimate the relative contribution of genetic and environmental factors by means of twin modeling. Importantly, the results suggest, on the one hand, that the association between formidability and aggression is less reliable than previously thought. On the other hand, the results also suggest that when the association occurs, the causal direction is from formidability to aggression and the primary part of the causal relationship is genetic in nature. These latter findings are consistent with adaptionist models suggesting that human male aggression is ‘reactively heritable’ to genetic components of formidability.

    Original languageEnglish (US)
    Pages (from-to)161-166
    Number of pages6
    JournalPersonality and Individual Differences
    Volume113
    DOIs
    StatePublished - Jul 15 2017

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    Aggression
    Causality
    Animal Models
    Direction compound

    Keywords

    • Aggression
    • Asymmetric war of attrition
    • Formidability
    • Personality, causality
    • Reactive heritability

    ASJC Scopus subject areas

    • Psychology(all)

    Cite this

    Assessing causal pathways between physical formidability and aggression in human males. / Petersen, Michael Bang; Dawes, Christopher.

    In: Personality and Individual Differences, Vol. 113, 15.07.2017, p. 161-166.

    Research output: Contribution to journalArticle

    Petersen, Michael Bang ; Dawes, Christopher. / Assessing causal pathways between physical formidability and aggression in human males. In: Personality and Individual Differences. 2017 ; Vol. 113. pp. 161-166.
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