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Elisa Heinrich Mora1,2, Kaleda K Denton1,2, Michael E Palmer1

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Summary
This summary is machine-generated.

This study introduces new models for conformity to ordered cultural traits, showing that conformity can maintain trait diversity and anticonformity can lead to polarization. These models offer a novel perspective on cultural evolution dynamics.

Keywords:
conformitycontinuouscultural transmissiondiscreteordered trait

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Area of Science:

  • Social Sciences
  • Evolutionary Biology
  • Computational Social Science

Background:

  • Traditional models of conformity often overlook ordered cultural traits.
  • Conformity to ordered traits is typically defined by preference for the population mean, regardless of variant distribution.

Purpose of the Study:

  • To develop and analyze models of conformity and anticonformity for ordered cultural traits (discrete and continuous).
  • To introduce a new metric, "beta-dispersal," to quantify variant popularity on a continuum.
  • To investigate the impact of conformity and anticonformity on population trait variation and polarization.

Main Methods:

  • Development of mathematical models for conformity and anticonformity to ordered traits.
  • Introduction of the "beta-dispersal" metric to measure variant popularity.
  • Agent-based simulations to explore population dynamics under different parameter values.

Main Results:

  • Conformity to ordered traits does not necessarily lead to population homogeneity, contrary to previous claims.
  • Under specific conditions, conformity can sustain significant trait variation across generations.
  • Anticonformity was observed to potentially drive high levels of trait polarization.

Conclusions:

  • The study challenges existing assumptions about conformity's effect on cultural trait diversity.
  • The findings suggest that conformity can be a mechanism for maintaining variation in populations with ordered traits.
  • The research highlights the potential for anticonformity to create distinct, polarized trait distributions.