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Decision Making: Traditional Method01:14

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Updated: Dec 23, 2025

The Collective Trust Game: An Online Group Adaptation of the Trust Game Based on the HoneyComb Paradigm
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Collective decision-making by rational agents with differing preferences.

Richard P Mann1,2

  • 1Department of Statistics, School of Mathematics, University of Leeds, Leeds LS2 9JT, United Kingdom; r.p.mann@leeds.ac.uk.

Proceedings of the National Academy of Sciences of the United States of America
|April 29, 2020
PubMed
Summary
This summary is machine-generated.

Collective decisions arise from social feedback, where individuals copy others. This study models how differing preferences impact social information use, revealing group structure and environment quality are key factors.

Keywords:
agent-based modelcollective behaviorrational choicesocial informationutility

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Area of Science:

  • Social Psychology
  • Behavioral Economics
  • Computational Social Science

Background:

  • Collective decisions often emerge from individuals copying others' choices.
  • Previous models assumed shared goals, overlooking preference differences.
  • The impact of heterogeneous preferences on social information use is understudied.

Purpose of the Study:

  • To model social information use in rational agents with diverse preferences.
  • To investigate how preference structures and environmental information quality influence collective behavior.
  • To explore the role of minority subgroups in group dynamics and leadership.

Main Methods:

  • Developed a computational model of rational agents with differing preferences.
  • Analyzed the impact of preference sharing structures within groups.
  • Examined the influence of environmental information quality on social responses.

Main Results:

  • Collective behavior strongly depends on preference sharing patterns and environmental information quality.
  • Individuals in noisy environments with weak private information exhibit stronger social responses.
  • Heterogeneous group structures can feature cryptic minority subgroups influencing leadership dynamics.

Conclusions:

  • Agent preferences significantly shape collective decision-making processes.
  • Environmental uncertainty drives reliance on social information.
  • Understanding preference heterogeneity is crucial for explaining leadership and group behavior.