本研究之目的在於比較中華民國國家級網球教練自我專業知能的認知狀況，探討國家級網球教練之特性及其人口變項與專業變項在專業知能方面的差異，以提供國家級網球教練增進教學訓練能力，並提昇其訓練效率及成果。本研究以62位國家級網球教練爲研究對象，並以「國家級網球教練自我專業知能之研究」調查問卷進行問卷調查，以描述性統計、t檢定、單因子變異數分析進行資料處理並以薛費法進行各組事後比較，結果發現：一、教育程度的不同，明顯的影響到國家級網球教練之專業知能。二、國家級網球教練在自我專業知能的認知方面，幾乎完全不因爲不同之專業變項而有顯著不同的看法。三、多數有關人口變項在專業知能各因素的明顯差異皆與樣本之教育程度的不同有關，此研究結果與第一點結果相互呼應。四、專業變項在專業知能各因素的差異部分：（一）曾經當選國家代表隊的國家級網球教練在專業技能部分的「運動處方」因素得分方面顯著高於未曾當選國家代表隊者。（二）網球球齡在11-15年的國家級網球教練在專業態度部分的「溝通回應」因素得分方面顯著高於其他不同球齡者。（三）實際從事網球教練的年資於6-10年的國家級網球教練在專業知識部分的「基礎概念」因素得分方面顯著高於其他不同年資者。（四）沒有持續網球運動習慣的國家級網球教練在專業態度部分的「接受意見」因素得分方面顯著高於持續網球運動習慣者。（五）每天運動2小時31分～3小時的國家級教練在專業技能的「示範教學」因素得分顯著高於其他時間者；而每天運動1小時1分～1小時30分的國家級教練在專業成長的「進修研習」得分顯著高於其他時間者。

The objectives of this study were to investigate the significance recognition of national tennis coaches' professional competency in Taiwan, to probe the characteristic of national tennis coaches in Taiwan, to analyze the differences of the various demographic statistics on professional competency and the professional varieties on professional competency, and to probe the concept of professional competency. The information collected on national tennis coaches' professional competency will be concluded and used for further reference of designing training curriculums for national tennis coaches in Taiwan in the future. The subjects of this study were 62 national tennis coaches which were approved by the tennis association in Taiwan. Interviews were conducted with a questionnaire titled "professional competency of national tennis coaches" Total 62 questionnaires were handed out, and the number of valid replies was 41, after a careful statistics analysis by one-way ANOVA, t test with the software of SPSS 10.0 for windows and Scheffe' method, the final results are as following: 1. The differences of the various demographic statistics on professional competency: All differences of the various demographic statistics on professional competency are significant to the education. 2. The differences of the professional varieties on professional competency: There is no any variety significant to the professional competency. 3. The differences of the factor of various demographic statistics on professional competency: All differences of the various demographic statistics on professional competency are significant to the education. 4. The differences of the various factors on professional competency: There is a few factors of varieties are significant to the professional competency.