The purposes of this study is to analyze attribution tendencies after achivement of the long horse skill. 154 students(boys: 82, girls:72) were randomly selected, who are in 6th grade in B elementary school, D city, and were totally inexperienced to long horse. Straddle vault was chosen as the long house skill and classified those students into the successful, improced, and failed group. the students filled in the questionnaire about attribution of performance results. x2 test, Pearson\'s correlation coefficient, 2-way ANOVa and 1-way ANOVA were used as a statistic process methods and the results are as follws. 1. In the case of boy, long horse skill is in inverse correlation with height and weight, however in the girl, long horse skill is highly in inverse correlation with only weight. 2. The failed group attributes to the luck and the learning level being outer factor. 4. The improved groups attributes to the efforts and the learning level, similarly the successful of the girl.