“…For example, Sherin and her coworkers suggest attention involves using "knowledge of subject matter, knowledge of the curriculum, or knowledge of students' prior comments" (Sherin & van Es, 2009, p. 22). Specifically, researchers explore the role of content knowledge (e.g., Kersting, Givvin, Sotelo, & Stigler, 2010;Roth et al, 2011), pedagogical content knowledge (Carpenter, Fennema, Peterson, Chiang, & Loef, 1989;Jacobs, Lamb, & Philipp, 2010;Moscardini, 2014), and general pedagogical knowledge (K€ onig et al, 2014). Some of the knowledge researchers in this tradition identify is domain-general and some is domain-specific.…”