Abstract
The purpose of the present study was to review the research on the teachersʼ awareness of class events in America and Japan and to have examined the topic in physical education The comparison research of a teacher who improves the learning outcome and a teacher not so has been developed in America. In particular, the research on the teachersʼ awareness of class events started in the latter half of the 1980's. The research assumed that the theoretical knowledge about teaching materials by Carter et al. (1988) and Lee et al. (1993) improves teacher's awareness of class events is remarkable. However, these studies in America were not able to clarify the method that improved teacher's awareness of class events In Japan, it was considered that three research topics as follow. The first is necessary to clarify existence and role of the teachersʼ expected scheme on coaching toward the awareness of pupilʼs sign of stumbling in movement learning (PSS). The second is an examination that the teacher's awareness of PSS influence on pupilʼs motor learning. The third is necessary to clarify the relationship between the content of teachersʼ awareness of PSS and how to the teachersʼ decision making during instruction.