本研究目的在探究大學生修習通識與專業服務學習課程之參與態度、阻礙因素與學習成效關係模式，並分析阻礙因素的中介效果。受測者爲南部四所大學校院服務學習課程411位學生，研究發現：參與態度會顯著正向影響學習成效；參與態度會顯著負向影響阻礙因素；阻礙因素會顯著負向影響學習成效。此外，阻礙因素對參與態度與學習成效具有顯著的中介作用。最後，根據研究結果提出建議，以及供後續研究參考。

This purpose of this study explored the relationship model among participation attitude, barriers factor and learning effectiveness in service-learning course at four colleges in Southern Taiwan. This data was obtained by questionnaire survey, with 411 effective responses from participants. The results of this study show the participation attitude has a significant positive impact on learning effectiveness in service-learning course. Participation attitude also has a significant negative impact on barriers factor in service-learning course. In addition, barriers factor has a negative effect on learning effectiveness in service-learning course. Furthermore, barriers factor plays a mediating role between participation attitude and learning effectiveness. Finally, based on the results of the research, some suggestions and future study are given.