期刊
PLOS ONE
卷 7, 期 6, 页码 -出版社
PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pone.0039211
关键词
-
资金
- Social Sciences and Humanities Research Council of Canada [410-2011-0780]
Evolutionary models of cooperation require proximate mechanisms that sustain prosociality despite inherent costs to individuals. The warm glow'' that often follows prosocial acts could provide one such mechanism; if so, these emotional benefits may be observable very early in development. Consistent with this hypothesis, the present study finds that before the age of two, toddlers exhibit greater happiness when giving treats to others than receiving treats themselves. Further, children are happier after engaging in costly giving - forfeiting their own resources - than when giving the same treat at no cost. By documenting the emotionally rewarding properties of costly prosocial behavior among toddlers, this research provides initial support for the claim that experiencing positive emotions when giving to others is a proximate mechanism for human cooperation.
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