“…As research has shown that active learning (observing, discussion, planning, feedback, reflection) affect teaching practice and student learning (Garet, Porter, Desimone, Birman, & Yoon, 2001;Supovitz, 2002;Runhaar, Sanders, & Yang, 2010), we selected two professional learning activities for this study that are considered crucial for promoting professional development and school improvement: self-reflection and asking for feedback (Smylie, 1995;Korthagen, 2001;Kwakman, 2003;Lohman & Woolf, 2001). Although both learning activities stimulate reflection, the sources for self-reflection and thereby the nature of these learning activities, differ.…”