抄録
While teaching a class is the foremost task of an instructor, whether class preparation also counts as part of that duty have been unclearly defined. Yet recently, the Labor Standards Inspection Office issued a recommendation toward major educational institutions to recognize class preparation as labor entitled to payment. This, however, raises course management questions regarding what and how much instructors should actually prepare. Utilizing a various data, this paper discusses how much time is required for Japanese language instructors to conduct effective class preparation.