'Complex contagion' models of belief spread require exposure to several contacts carrying a new belief before an individual adopts it, unlike basic epidemic models that represent beliefs as a single binary variable (present or absent).
Sources
- Analogies for modeling belief dynamics: Trends in Cognitive Sciences (cell.com)
- https://www.journals.uchicago.edu/doi/10.1086/521848 (journals.uchicago.edu)
- https://www.pnas.org/doi/10.1073/pnas.0806244106 (pnas.org)
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