“…The DVC is a video-based TPD program focusing on productive classroom dialogue (Gröschner, Seidel, Kiemer, & Pehmer, 2015). Previous research shows that video-based TPD elements strengthen teachers' capacities for making concrete changes Borko, Jacobs, Eiteljorg, & Pittman, 2008;Grossman, Compton, Igra, Ronfeldt, & Shahan, Emily, Williamson, Peter W., 2009).…”