“…In addition, Blomberg, Renkl, Sherin, Borko, and Seidel (2013) assumed that observing videos can be overwhelming, particularly for novice viewers and when first exposed to videotaped classroom situations. Previous research has emphasized that peer groups can help to increase the viewers' focus on relevant learning situations and critical incidents, for which guidelines should be established for discussing videos to inspire confidence among group members (Gr€ oschner, Seidel, Pehmer, & Kiemer, 2014;Van Es, 2012;Van Es, Tunney, Goldsmith, & Seago, 2014;Zhang et al, 2011).…”