The concept of teacher change is critical in second language teaching and English as a Foreign Language (EFL) context due largely to the fact that, almost, whatever we do in teacher education looks for initiating change of one sort or another. A substantial body of research has been dedicated to investigate teacher change (TC) from various perspectives.  However, having studied the related lite...

Niyogi and Berwick have developed a deterministic dynamical model of (E-)language change from which they analytically derive logistic, S-shaped spread of a linguistic variant through a speech community given certain assumptions about the language learning algorithm, the linguistic environment, and so forth. I will demonstrate that the same assumptions embedded in a stochastic model of (E-)langu...