Intergroup bias in third-party punishment stems from both ingroup favoritism and outgroup discrimination

Schiller, Bastian; Baumgartner, Thomas; Knoch, Daria (2014). Intergroup bias in third-party punishment stems from both ingroup favoritism and outgroup discrimination. Evolution and human behavior, 35(3), pp. 169-175. Elsevier 10.1016/j.evolhumbehav.2013.12.006

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Social norms pervade almost every aspect of social interaction. If they are violated, not only legal institutions, but other members of society as well, punish, i.e., inflict costs on the wrongdoer. Sanctioning occurs even when the punishers themselves were not harmed directly and even when it is costly for them. There is evidence for intergroup bias in this third-party punishment: third-parties, who share group membership with victims, punish outgroup perpetrators more harshly than ingroup perpetrators. However, it is unknown whether a discriminatory treatment of outgroup perpetrators (outgroup discrimination) or a preferential treatment of ingroup perpetrators (ingroup favoritism) drives this bias. To answer this question, the punishment of outgroup and ingroup perpetrators must be compared to a baseline, i.e., unaffiliated perpetrators. By applying a costly punishment game, we found stronger punishment of outgroup versus unaffiliated perpetrators and weaker punishment of ingroup versus unaffiliated perpetrators. This demonstrates that both ingroup favoritism and outgroup discrimination drive intergroup bias in third-party punishment of perpetrators that belong to distinct social groups.

Item Type:

Journal Article (Original Article)

Division/Institute:

07 Faculty of Human Sciences > Institute of Psychology > Social Psychology and Social Neuroscience

UniBE Contributor:

Baumgartner, Thomas and Knoch, Daria

Subjects:

100 Philosophy > 150 Psychology

ISSN:

1090-5138

Publisher:

Elsevier

Language:

English

Submitter:

Thomas Baumgartner

Date Deposited:

06 Oct 2014 12:57

Last Modified:

26 Oct 2015 10:30

Publisher DOI:

10.1016/j.evolhumbehav.2013.12.006

BORIS DOI:

10.7892/boris.58299

URI:

https://boris.unibe.ch/id/eprint/58299

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