"Unconferences" are a non-traditional form of professional activity defined by the absence of many conventional conference structures. One example of the unconference model is the "Edcamp," a voluntary, participant-driven form of grassroots educator professional learning. More than 600 of these events have been held worldwide…

For developing professional development (PD) programs, research suggests referring to effective components. In developing a PD program on classroom dialogue, we explored to what extent effective components could be addressed. We conducted a study with two groups. In the "Dialogic Video Cycle" (DVC), six German teachers participated in a…