The Influence of Social Category and Reciprocity on Adults' and Children's Altruistic Behavior

Evolutionary theories of altruism have suggested that reciprocal exchanges and ingroup favoritism have been important strategies leading to the evolution of altruistic behavior among strangers. This study investigates whether minimal information about an interaction partner's membership in a tr...

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Bibliographic Details
Main Authors: Michaela Gummerum, Masanori Takezawa, Monika Keller
Format: Article
Language:English
Published: SAGE Publishing 2009-04-01
Series:Evolutionary Psychology
Online Access:https://doi.org/10.1177/147470490900700212