Cooperating with the outgroup rather than the ingroup: The effects of status, individual mobility, and group mobility on resource allocation and trust in an interactional game

Kevin Durrheim, Colin Tredoux, James Theil, Lungelo Mlangeni, Mike Quayle

Research output: Contribution to journalArticlepeer-review

Abstract

We describe a team game that implements a social dilemma between ingroup cooperation and defection by self-enriching outgroup exchange. We test hypotheses derived from social identity theory about how group status and belief about individual mobility and group mobility affect exchange behavior. We ran 60 experimental team games between rich and poor groups under one of four experiment conditions in a fully crossed design, manipulating the presence or absence of individual mobility and group mobility beliefs. Each game was played over 10 rounds in which participants generated wealth for self or group by allocating tokens to either the ingroup or outgroup bank or to outgroup individuals. We identify 10 exchange strategies via latent class analysis and show how class membership and resulting perceptions of group trust are predicted by the experimental conditions. The results show that rich status and individual mobility promote defecting exchanges with outgroup individuals, and that behavior under individual mobility beliefs weakens ingroup trust. In contrast, intergroup competition of the group mobility condition did not affect ingroup cooperation versus defection or trust.

Original languageEnglish
Pages (from-to)1801-1818
Number of pages18
JournalGroup Processes and Intergroup Relations
Volume26
Issue number8
DOIs
Publication statusPublished - Dec 2023

Keywords

  • Latent Profile Analysis
  • compositional data
  • cooperation
  • interaction
  • social dilemmas
  • social mobility

ASJC Scopus subject areas

  • Cultural Studies
  • Communication
  • Social Psychology
  • Arts and Humanities (miscellaneous)
  • Sociology and Political Science

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