“…Student language proficiency has been found to be strongly related to learning success (Oortwijn, Boekaerts, & Vedder, 2008), to student approaches to learning (Biggs, 1990) and academic achievement (Collier, 1989;Van der Slik, Driessen, & De Bot, 2006). AfL, with its provision of formative feedback, is a linguistic endeavour.…”