The ‘b’s’ Knees: Logistic Stage-Transition Rules as Percentile Conventions on a Standardised Time Scale (opens in new tab)

Recently published: Levinson, D. (2026) The ‘b’s’ Knees: Logistic Stage-Transition Rules as Percentile Conventions on a Standardised Time Scale. Findings, June 1, 2026. [doi] [Data/code] Logistic diffusion is often described as passing through early growth, rapid growth, and maturity, but the dates separating these stages, the knees of the curve, are defined in different ways […]