The necessary motivation attitude and anxiety along with other independent variables like the placement test scores influence learners adequate progress and successful performance in language classrooms A machine learning model was designed by Dahman and Dag 2019 to predict adult learners decision to continue or drop out ESOL courses based on the input variables motivation attitude anxiety and placement test scores This study investigated the accuracy of this model in a different setup the decision of lifelong learners to continue or drop out a German Language cours
