What question did this study set out to answer?

This research aims to explore how group identification affects the co-evolution of opinions.

December 12, 2025PLoS ONEOpen Access

Co-evolution of groups and opinions in an agent-based model

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Model demonstrates how group identification influences opinion dynamics and polarization, highlighting segregation effects.

This research aims to explore how group identification affects the co-evolution of opinions.
Developed an agent-based model incorporating group dynamics and identification.
Examined the effects of in-group and out-group interactions on opinion convergence and divergence.
Modified model parameters to analyze the impact on opinion polarization.
Attitude towards out-group significantly contributes to opinion polarization.
In-group interactions can stabilize opinions and mitigate extreme shifts.
Insights provide a framework for understanding group dynamics and sectarianism.

Cassells et al. (2025) studied this question.

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