'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).
Notes on verification
Well-supported by foundational and subsequent peer-reviewed literature (Centola & Macy 2007; Centola's later work), consistent with standard network science terminology. [tier=silver indep_score=1.0 clusters=2 claim_tier=notable]
Sources
- Analogies for modeling belief dynamics: Trends in Cognitive Sciences (seed:psychology_and_neuroscience)
- https://www.journals.uchicago.edu/doi/10.1086/521848 (corroboration)
- https://www.pnas.org/doi/10.1073/pnas.0806244106 (corroboration)