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The Social Dimension of Stress: Experimental Manipulations of Social Support and Social Identity in the Trier Social Stress Test
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Intergroup Competition Promotes Intragroup Cooperation: A Meta-Analysis of Social Dilemmas

Tycho van Tartwijk1, Angelo Romano1, Leticia Micheli1

  • 1Unit Social, Economic and Organisational Psychology, Leiden University, The Netherlands.

Personality & Social Psychology Bulletin
|August 31, 2026
PubMed

Keywords:
competitioncooperationintergroupmeta-analysissocial dilemma

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