本研究目的在瞭解幼兒體能教師有效教學氣氛表現之構念。本研究採質性研究法，以半結構訪談方式訪談13位具經驗的幼兒體能教師，並以參與觀察法，觀察其中3位教師的實際教學行為10週，資料經整理、歸納、比較、與分析。結果發現幼兒體能教師有效教學氣氛表現的主要構念包括教師期望、課室氣氛、課室管理、教學熱忱、及師生關係等。「教師期望」的概念包括教師教學期望，教師自我期望；「課室氣氛」的概念包括掌控教學氣氛，營造快樂教學氣氛，幼兒信任教師，激勵團隊士氣，以及提升幼兒自信心等；「課室管理」的概念包括秩序掌控與管理，組織學習活動，掌控幼兒情緒等；「教學熱忱」的概念包括教師委身與投入、自我肯定、參與遊戲、幽默逗趣等；「師生關係」的概念包括師生互動關係、教師角色，師生對話與溝通、幼兒對教師期待等。本研究結果釐清幼兒體能教師有效教學氣氛表現的概念及內涵，可作為幼兒體能教師師資培訓的重要參考資料和提升幼兒體能教師的專業教學能力。

This study explored the structures of atmosphere performances of effective teaching in preschool physical education teachers. Based on the qualitative methods, 13 experienced preschool physical education teachers were interviewed by using semi-structured interview, and then the actual teaching situations of 3 teachers were observed for 10 weeks by participation observation. All of the data were rearranged, induced, compared, and analyzed. The results of this study indicated that the structures of teaching atmosphere performances in preschool physical education teachers were the expectations of teachers, classroom atmosphere, classroom managements, teaching enthusiasm, and teacher-student relationship. The expectations of teachers included "the teaching expectations of teachers" and "the expectations of teachers per se". The "classroom atmosphere" included the control of teaching atmosphere, the buildings of happy atmosphere in learning, the students' trust in teachers, the encouragement of team morale, and the improvements in students' self-confidence. The "classroom management" included the control of orders, the organizations of practice activities, the skills of order management, and the control of emotions in children. The "teaching enthusiasm" included the devotion and self-confirmation of teachers, the participation in play with students, and the fun and humor. The "teacher-student relationship" included the interactive teacher-student relationship, the roles of teacher, the teacher-student communication and dialogue, and the students' expectations of their teachers. The results of this study showed clearly the concepts and contents of atmosphere performances of effective teaching in preschool physical education teachers could offer important information to teacher education and contribute to improving the professional teaching abilities of teachers in preschool physical education.