“…The issue being explored is the extent to which pedagogical content knowledge (and the elaboration of technological pedagogical content knowledge) can be distinguished from efficacious pedagogical practices (Edwards, Higley, Zeruth, & Murphy, 2007;John, 2002) and generic pedagogical knowledge (Atjonen, Korkeakoski, & Mehtäläinen, 2011;Fernández-Balboa & Stiehl, 1995;König, Blömeke, Paine, Schmidt, & Hsieh, 2011). The obfuscation of the distinction is of concern lest learning be understood as a necessary consequence of teaching, rather than as having a complex causal role in the teaching endeavour (Begg, Davis, & Bramald, 2003).…”