One of the major issues in L2 learning and cognitive styles is the ambiguity of these concepts. A solution to this issue should involve the following two aspects. First, studies of factorial validity should be conducted with empirical data, and with an appropriate analysis using a theoretically well-developed scale. Second, such studies should…

In this paper, we focus on optimizing the assignment of students to courses. The target courses are conducted by different teachers using the same syllabus, course design, and lecture materials. More than 1,300 students are mechanically assigned to one of ten courses taught by different teachers. Therefore, mismatches often occur between students'…