Showing off in humans: male generosity as a mating signal

Iredale, W., Van Vugt, M. and Dunbar, R. (2008) Showing off in humans: male generosity as a mating signal. Evolutionary Psychology, 6 (3). p. 386.

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Abstract

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 contribute more to charity when observed by a member of the opposite sex than by a member of the same sex or no observer. Conversely, female charity donations did not significantly vary across the three observer conditions. Findings support the notion that men's generosity might have evolved as a mating signal.

Item Type: Article
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Divisions: Faculty of Social and Applied Sciences > School of Psychology, Politics and Sociology
Depositing User: Wendy Iredale
Date Deposited: 05 Jan 2018 14:24
Last Modified: 05 Jan 2018 14:24
URI: https://create.canterbury.ac.uk/id/eprint/16740

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Last edited: 29/06/2016 12:23:00