期刊
JOURNAL OF EXPERIMENTAL CHILD PSYCHOLOGY
卷 155, 期 -, 页码 48-66出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jecp.2016.10.013
关键词
Inequity aversion; Fairness; Social context; Resource allocation; Pan troglodytes; Cooperation
资金
- German National Academic Foundation
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. (C) 2016 Elsevier Inc. All rights reserved.
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