“…Most have shown significant effects of writing on learning (Atasoy, 2013;Drabick, Weisberg, Paul & Bubier, 2007;Gingerich et al, 2014;Yildiz, 2012); at the same time, some studies have shown null or limited effects (e.g., Linton et al, 2014;Spirgel & Delaney, online 2014;Yassin & Yong, 2013). Researchers have measured the effects of writing on learning in varied ways, over both short time scales such as the particular writing activity, and longer time scales such as the unit of study or the academic year (Correnti, Matsumura, Hamilton & Wang, 2012;Schumacher & Nash, 1991;Tomas & Richie, 2014).…”