“…Consequently, the importance of informal learning e i.e. teacher learning within the daily practice of teaching e for the development of employees has become more widely recognised (e.g., Cunningham & Hillier, 2013;Rytivaara & Kershner, 2012;Shapiro, 2003). Eraut (1998) argues that most of what people learn is acquired in an informal way, when dealing with the daily challenges of the workplace or when interacting with colleagues, customers or clients (Hoekstra, Korthagen, Brekelmans, Beijaard, & Imants, 2009).…”