“…Although the mechanism is commonly accepted to be true, as Cobb (2007) states, it is still disputable whether extensive reading is important. So far, studies concerning extensive reading vary in terms of different study focus, including reading attitude (e.g., Chin-Neng, 2013), reading comprehension (e.g., Wijaya, 2013;Rezaee, 2011;Lin, 2010), reading speed (e.g., Al-Homoud, 2012;Beglar, 2012), grammar (e.g., Rodrigo, 2004) and vocabulary acquisition (e.g., Tan, 2016;Waring, 2003) etc.…”