本研究運用典型相關探討運動參與動機及運動自信心來源間的關係，按著透過多元逐步回歸分析運動參與動機對其運動自信心來源的預測情形。本研究係以全國大專院校游泳選手為研究對象，進行問卷調查，共計發放300份，回收有效樣本211份，有效回收率為70.3%。經實證分析，本研究綜合發現如下：一、大專游泳選手運動參與動機程度屬於中上。二、大專游泳選手運動自信心程度屬於中上。三、大專游泳選手運動參與動機與運動自信心，兩變項間呈現顯著的正向典型相關及影響性。四、大專游泳選手運動參與動機能有效預測運動自信心來源。

This research uses the canonical correlations analysis to discuss the relationship between sport participation motivation and sources of sport confidence, and analyze the prediction effect of sport participation motivation on sources of sport confidence by using the Multiple Stepwise Regression Analysis. The research objects are nationwide college swimming contestants in Taiwan. There are 300 questionnaires distributed and 211 returned. The valid response rate is 70.3%. There are four major findings. First, the degree of sport participation motivation of the swimming contestants is above average. Second, the degree of sources of sport confidence of the swimming contestants is above average. Third, the relationship between sport participation motivation and sources of sport confidence are positive canonical correlation. Fourth, sport participation motivation of the swimming contestants can effectively predict the sources of sport confidence.