2009 年 29 巻 4 号 p. 40-48
Many higher education systems are required to improve the courses among universities and colleges in recent years. This paper discussed teaching improvement based on the IE (Industrial Engineering) technique. A tuition method consists of six elements which are explanations by oral, using a blackboard, using a projector, introducing of topics, executing practice and test, question & answer. This research proposed the method to record the elements of lectures in time series by the use of ratio-delay study method. About fifty kinds of lecture courses were tried to record by the proposed method. The results of trials show that the relation between the usages rate of each tuition element and a questionnaire of lecture.