“…Weiner (1972aWeiner ( , 1972bWeiner ( , 1985Weiner ( , 2001Weiner ( , 2018, as the originator of academic achievement attributions, defines attributions as the perceived causes of one's achievement or failure drawing upon past performance. Theoretically, these reported causes are considered to be projective as well as influential for the direction of future achievement and prospective motivation of learners (Lim, 2007;Taşkıran & Aydın, 2017;Weiner, 1972bWeiner, , 1985Weiner, , 2001Weiner, , 2010Williams, Mercer, & Ryan, 2015). Another influential theory on motivation as well as belief systems is L2 motivational self-system (Dörnyei, 2005; proposing implications for one's own future image and future success.…”