目的：本研究在以計畫行為理論探討國小學童參與運動社團行為意圖影響情形。方法：以臺灣地區99學年度國小高年級學童採分層隨機叢集抽樣進行問卷調查，共獲得有效問卷455份。所得資料使用描述統計、獨立樣本t考驗、簡單相關、多元階層迴歸進行分析。結果：國小學童參加運動社團的態度、主觀規範及知覺行為控制和行為意圖呈現正相關，且參加運動社團的行為會受到性別、經驗和態度的影響。結論：曾經參加過運動社團的學童在參與態度上優於不曾參加者，且他們在參加運動社團的行為意圖會受到個體態度的情感信念 (β = .19 ) 和工具信念 (β = .18 ) 影響，其中男性的參加意圖高於女性，尤其是曾經參加過運動社團者的行為意圖更高。

Purpose: This study planed to explore the intensions of primary students who joined sport clubs by using the theory of planned behavior (TPB). Method: Questionnaires were conducted with the fifth and sixth grade students in Taiwan in the academic year of 2010. A total of 455 valid responses were collected. Data were analyzed with descriptive statistics, independent sample t-test, simple correlation analysis, & multiple regression analysis. Results: The result of the study showed the attitudes of students who joined sport clubs had positive correlations to subjective norm, perceived behavioral control, and behavior intention. And the students participate in sports clubs would be affected by gender, experience and attitudes. Conclusion: Those students who joined sport clubs before had better participating attitudes than those who did not. Also, their intentions to the sport clubs were influenced by personal beliefs on emotions and instruments. The male students had higher intentions than female students, especially for those who had sport club experience.