Daniel Balliet
Daniel Balliet is a psychologist and first author, with Junhui Wu and Carsten K. W. De Dreu, of Ingroup favoritism in cooperation: A meta-analysis (Psychological Bulletin, 2014). The meta-analysis found that people cooperate more with members of their own group than with outsiders, with a small-to-medium effect (d = 0.32), and concluded that discrimination in cooperation stems more from favouring the in-group than from derogating the out-group.
Who they are
Balliet is a psychologist whose 2014 meta-analysis is cited in the article on in-group bias. This page is limited to that published work; a fuller biography has not been added.
Key papers
- Balliet, Wu and De Dreu (2014), Ingroup favoritism in cooperation: A meta-analysis, Psychological Bulletin 140(6), 1556-1581. The in-group effect on cooperation was small to medium (d = 0.32). It was weaker in dictator games, where group members do not depend on each other (d = 0.19), and stronger in social dilemmas, where they do (d = 0.42). It was also stronger when group membership was common knowledge and when exchanges were simultaneous rather than sequential. The authors also examined natural versus experimental groups.
Key ideas
The paper's conclusion is that discrimination in cooperation stems more from favouring the in-group than from derogating the out-group.
Sources
- Balliet, D., Wu, J., & De Dreu, C. K. W. (2014). Ingroup favoritism in cooperation: A meta-analysis. Psychological Bulletin, 140(6), 1556-1581. https://doi.org/10.1037/a0037737