Passersby Attracted by Infants and Mothers' Acceptance of Their Approaches: A Proximate Factor for Human Cooperative Breeding

Humans have engaged in unique cooperative breeding insofar as multiple in-group members help mothers. Two psychological-proximate factors maintain such a breeding system—various individuals' interest in infants and mothers' positive reactions toward individuals approaching their infants—wh...

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Bibliographic Details
Main Authors: Kumiko Nishiyama, Kouji Oishi, Atsuko Saito
Format: Article
Language:English
Published: SAGE Publishing 2015-04-01
Series:Evolutionary Psychology
Online Access:https://doi.org/10.1177/147470491501300210