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The Collective Trust Game: An Online Group Adaptation of the Trust Game Based on the HoneyComb Paradigm
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Personal trust extends cooperation beyond trustees: A Mexican study.

Cristina Acedo-Carmona1, Antoni Gomila1

  • 1Human Evolution and Cognition Group (EvoCog), University of the Balearic Islands, IFISC, Associated Unit to CSIC, Palma de Mallorca, Spain.

International Journal of Psychology : Journal International De Psychologie
|June 22, 2018
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Summary

Personal trust networks influence group cooperation beyond direct relationships. Network structure, not just individual trust, shapes how cooperation extends within a group, complementing reputation effects.

Keywords:
CooperationIndirect reciprocityPersonal trustReputationSocial network

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Area of Science:

  • Social Psychology
  • Behavioral Economics
  • Evolutionary Anthropology

Background:

  • Personal trust, an evolutionarily acquired affective mechanism, is theorized to influence group cooperation.
  • Understanding the mechanisms driving cooperation is crucial in social and economic contexts.

Purpose of the Study:

  • To investigate the role of personal trust in group cooperation among workers in Oaxaca, Mexico.
  • To examine how trust network topology affects cooperation beyond direct reciprocal relationships.

Main Methods:

  • Compared two groups with differing income and education levels.
  • Measured trust using questionnaires and cooperative behavior via an iterated prisoner's dilemma.
  • Analyzed trust network topology to assess group cohesion.

Main Results:

  • No significant differences in individual trust levels or cooperation among direct trustees were found between groups.
  • Significant differences emerged in cooperation with other group members, correlating with trust network topology.
  • Trust network structure, a measure of group cohesion, was linked to extended cooperation.

Conclusions:

  • Personal trust networks can extend cooperation within a group beyond immediate trustees.
  • Trust network topology plays a significant role in facilitating broader group cooperation.
  • These findings complement existing theories on indirect reciprocity and reputation in shaping cooperative behaviors.