Does competition really bring out the worst? Testosterone, social distance and inter-male competition shape parochial altruism in human males.

Parochial altruism, defined as increased ingroup favoritism and heightened outgroup hostility, is a widespread feature of human societies that affects altruistic cooperation and punishment behavior, particularly in intergroup conflicts. Humans tend to protect fellow group members and fight against o...

Full description

Bibliographic Details
Main Authors: Esther Kristina Diekhof, Susanne Wittmer, Luise Reimers
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2014-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC4116333?pdf=render