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Updated: Jul 11, 2026

The HoneyComb Paradigm for Research on Collective Human Behavior
Published on: January 19, 2019
Collective rationality in interactive decisions: evidence for team reasoning
Andrew M Colman1, Briony D Pulford, Jo Rose
1School of Psychology, University of Leicester, Leicester, UK. amc@le.ac.uk
This study explores team reasoning, where players prioritize group utility over individual gain. Findings show team reasoning strategies are often preferred over individualistic Nash equilibria in certain games.
Area of Science:
- Behavioral economics
- Game theory
- Decision science
Background:
- Traditional decision and game theory assume individual utility maximization.
- Interactive decisions may benefit from collective preferences and team reasoning.
Purpose of the Study:
- To provide evidence for collective preferences and team reasoning.
- To investigate whether team reasoning predicts strategy choices better than orthodox game theory.
Main Methods:
- Two experiments were conducted using lifelike vignettes (Experiment 1) and abstract games (Experiment 2).
- Participants' strategy choices were analyzed in games with specific structural properties.
Main Results:
- Most participants preferred team-reasoning strategies over those supporting unique Nash equilibria.
- This preference was observed even when individually rational players should have chosen equilibrium strategies.
Conclusions:
- The findings support the existence of collective preferences and team reasoning.
- Team reasoning appears to be a more powerful predictor of strategy choices than traditional game theory in certain contexts.
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