Young children, but not chimpanzees, are averse to disadvantageous and advantageous inequities

Ulber, J., Hamann, K. and Tomasello, M. (2016) Young children, but not chimpanzees, are averse to disadvantageous and advantageous inequities. Journal of Experimental Child Psychology, 155. pp. 48-66.

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Abstract

The age at which young children show an aversion to inequitable resource distributions, especially those favoring themselves, is unclear. It is also unclear whether great apes, as humans' nearest evolutionary relatives, have an aversion to inequitable resource distributions at all.

Using a common methodology across species and child ages, the current two studies found that 3- and 4-year-old children (N=64) not only objected when they received less than a collaborative partner but also sacrificed to equalize when they received more. They did neither of these things in a nonsocial situation, demonstrating the fundamental role of social comparison. In contrast, chimpanzees (N=9) showed no aversion to inequitable distributions, only a concern for maximizing their own resources, with no differences between social and nonsocial conditions.

These results underscore the unique importance for humans, even early in ontogeny, for treating others fairly, presumably as a way of becoming a cooperative member of one's cultural group.

Item Type: Article
Uncontrolled Keywords: Cooperation; fairness; inequity aversion; pan troglodytes; resource allocation; social context
Subjects: B Philosophy. Psychology. Religion
B Philosophy. Psychology. Religion > BF Psychology
B Philosophy. Psychology. Religion > BF Psychology > BF0712 Developmental psychology > BF0721 Child psychology
B Philosophy. Psychology. Religion > BF Psychology > BF0712 Developmental psychology
Divisions: Faculty of Social and Applied Sciences > School of Psychology, Politics and Sociology
Depositing User: Julia Ulber
Date Deposited: 05 Dec 2018 16:41
Last Modified: 12 Dec 2018 11:49
URI: https://create.canterbury.ac.uk/id/eprint/17842

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