“…Introduced by an Italian research team, it focuses on new didactical and methodological practices (e.g., mathematics laboratory, problem solving, class discussions, reflective analysis of classroom processes) (Aldon, Arzarello, Cusi, Garuti, Martignone, Robutti, Sabena, and Soury-Lavergne 2013; Arzarello, Robutti, Sabena, Cusi, Garuti, Malara, and Martignone 2014; Clark-Wilson, Aldon, Cusi, Goos, Haspekian, Robutti, and Thomas 2014). The associated research has been on communities of in-service teachers involved in professional development programmes with researchers.…”