“…Some studies found a positive effect for CBCW on writing quantity (e.g., Daskalogiannaki, 2012;Doult & Walker, 2014;Mak & Coniam, 2008;Mills & Exley, 2014;Myers, 2014;Storch, 2011;Yim, Wang, Olson, Vu, & Warschauer, 2017) and quality (e.g., Abrams, 2019;Al-Shumaimeri, 2011;Arslan & Sahin-Kizil, 2010;Bailey & Judd, 2018;Beltrán, 2010;Daskalogiannaki, 2012;Dobao, 2012;Doult & Walker, 2014;Kessler & Bikowski, 2010;Mak & Coniam, 2008;McDonough & García-Fuentes, 2015;Myers, 2014;Shukor & Noordin, 2014;Strobl, 2014;Togatorop, 2015;Villarreal & Gil-Sarratea, 2019;Wichadee, 2011;Yeh, 2014;. Therefore, the researcher decided to investigate the effect of CBCW on both the quantity and quality of EFL students' writing.…”