Authors
Daniel Balliet, Junhui Wu, Carsten KW De Dreu
Publication date
2014/11
Source
Psychological bulletin
Volume
140
Issue
6
Pages
1556
Publisher
American Psychological Association
Description
Although theory suggests individuals are more willing to incur a personal cost to benefit ingroup members, compared to outgroup members, there is inconsistent evidence in support of this perspective. Applying meta-analytic techniques, we harness a relatively recent explosion of research on intergroup discrimination in cooperative decision making to address several fundamental unresolved issues. First, summarizing evidence across studies, we find a small to medium effect size indicating that people are more cooperative with ingroup, compared to outgroup, members (d= 0.32). Second, we forward and test predictions about the conditions that moderate ingroup favoritism from 2 influential perspectives: a social identity approach and a bounded generalized reciprocity perspective. Although we find evidence for a slight tendency for ingroup favoritism through categorization with no mutual interdependence between …
Scholar articles
D Balliet, J Wu, CKW De Dreu - Psychological bulletin, 2014