“…Berliner, 2001;Tsui, 2003) because it is context-dependent, nonlinear (Beckett & Hager, 2002;Dall'Alba & Sandberg, 2006;Glazer & Hannafin, 2006;Grimmett, MacKinnon, Erickson, & Riecken, 1990;Webster-Wright, 2009), and develops iteratively (Calderhead, 1993;Clark & Yinger, 1987;Kagan & Tippins, 1992;Tsui, 2003. ) Expertise is further complicated because experience does not necessarily result in expertise (Bereiter & Scardmalia, 1993;Berliner, 2001;Hattie, 2003;Tsui, 2003).…”