“…To begin with, the notion of impact and effectiveness of CPD is still largely mysterious. There is a current lack of research and findings that shed light on which specific elements of CPD, for example, content, processes and embeddedness, that influence ECEC quality, educators’ effectiveness and child outcomes, despite there being reports of overall positive effects (Bove et al, ; Jensen & Rasmussen, ; Jensen & Iannone, ; Karwowska‐Struczyk, Wyslowska, & Wichrowsha, ). Even where research has identified certain approaches as effective (Giudici & Castagnetti, ; Jensen & Rasmussen, ; Jensen & Iannone, ), no evidence is provided on their effectiveness in relation to one another (Jensen, Iannone, Christy, & Rolls, , p. 18) and only a few studies examine communities of practice in relation to impact.…”