Abstract
The purpose of this study was extracted the main factor and structure of achievement motivation in learning activity of physical education by factor analysis and pass analysis method. Subjects (2145) in this study were low, middle and high grade students in elementary school. This study was used questionnaire that was composed by 54 items. The major results were as follows: 1) 22 achievement motivation factors were extracted by factor analysis, 11 factors were newly extracted by this study. There were Chance, Independence, Improvement, Novel Problem, Encouragement, Approval, Praise, Environment, Discovery, Effect and Contribution. 2) Mein factor in each grade was as follows; In the low grade, main factor was Chance. In the middle grade, main factor was Cooperation. In the high grade, main factor was Achievement. 3) The relation of main factor and other factors in each grade were organized by pass analysis. In the low grade, factors of Chance, Praise and Encouragement organized a group. This group was given name of "Teaching Activity Group". In the middle grade, factors of Cooperation and Novel Problem organized a group. This group was given name of "Human Relation Group". In the high grade, factors of Achievement and Estimation organized a group. This group was given name of "Independent Learning Activity Group".
