We examined people's charity contributions while in the presence of an observer of the same sex, opposite sex, or no observer. Inspired by costly signaling theory, we hypothesized that men would be more generous in the presence of a potential mate. Men and women played a number of experimental games in which they could earn money. On completion of these games participants were asked what percentage of their earned money they would be willing to donate to charity. Our results show that men con...Expand abstract
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- W. Iredale et al.
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- Citation: Iredale, W., Van Vugt, M. & Dunbar, R. (2008). 'Showing off in humans: male generosity as a mating signal', Evolutionary Psychology, 6(3), 386-392. [Available at http://cms.epjournal.net/]. You are welcome to read, download, redistribute, and archive this article.
Showing off in humans: male generosity as a mating signal
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