ArticleProceedings of the National Academy of Sciences of the United States of America2022
Polychotomous traits and evolution under conformity.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Conformity to popular, not average, opinions: Models, data, and evolution.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Phenotypic polymorphism via mate copying.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Conformity to continuous and discrete ordered traits.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Indirect reciprocity under opinion synchronization.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Conditions that favour cumulative cultural evolution.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2023Article
- Polychotomous traits and evolution under conformity.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
Corrections and comments
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Authors and funding
3 authors.
Funding
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Abstract
Conformist and anticonformist transmission of dichotomous cultural traits (i.e., traits with two variants) have been studied both experimentally, in many species, and theoretically, with mathematical models. Signatures of types of conformity to polychotomous traits (with more than two variants; e.g., baby names and syllables in bird song) have been inferred from population-level data, but there are few models that include individual-level biases among more than two discrete variants. We generalize the standard dichotomous trait conformity model by Boyd and Richerson to incorporate [Formula: see text] role models and [Formula: see text] variants. Our analysis shows that in the case of [Formula: see text] role models, under anticonformity, the central polymorphic equilibrium [Formula: see text] is globally stable, whereas under conformity, if initially the frequencies of [Formula: see text] variants are all equal to the maximum variant frequency in the population, there is global convergence to an equilibrium in which the frequencies of these variants are all [Formula: see text] and all other variants are absent. With a general number
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