“…Much work was conducted on washback research (Jin, 2000;Li, 2005;Qi, 2004aQi, , 2004bQi, , 2005Qi, , 2007Qi, , 2012Zhan & Andrews, 2014;Zou & Xu, 2017). Others were about construct validity (Jin & Yan, 2017;Liu & Yang, 2001), content validity (Pan & Qian, 2017), predictive validity (Fan, 2016) and the validation of self-developed instruments ( Liu, 2007;Zhao, 2012).…”