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  • 1 University of California, Los Angeles Department of Anthropology and Center for Behavior, Evolution & Culture 341 Haines Hall Los Angeles CA 90095-1553 USA
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Men are more prone than women to both commit physical violence and engage in nonviolent activities entailing the risk of injury or death. The Crazy Bastard Hypothesis (Fessler et al. 2014a) addresses this conjunction, arguing that nonviolent physical risk-taking communicates information about the actor’s agonistic formidability, as individuals who are indifferent to the possibility of harm are more likely to enter conflicts, and more difficult to repel, than those who are more sensitive to harm. Reflecting the use of bodily size in representations that summarize formidability, previous work demonstrates that risk-prone men are envisioned to be larger than are risk-averse men. Though less violent than men, particularly in highly competitive environments, women too sometimes benefit from engaging in violence. Correspondingly, observers should draw similar inferences regarding formidability when assessing physically risk-prone women. Results from both a large online experiment in the U.S. and a follow-up study using a modified dependent measure designed to reduce demand characteristics reveal that a woman described as risk-prone is envisioned to be larger — and thus more formidable — than is a woman described as risk-averse. Nonviolent physical risk-taking is thus available to women as an avenue for communicating formidability when it is advantageous to do so.

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