Purpose: The purpose of this study was to examine the mediation effects for the coach-athlete relationship of relationships between perceived autonomy support and collective efficacy in pro baseball players. Methods: Participants (N=261; pitcher=118, infielder=92, outfielder=51) completed the questionnaires of the perceived autonomy support, coach-athlete relationship, collective efficacy. SPSS 22.0 was used to calculate the descriptive statistics, and AMOS 20.0 were used for confirmatory factor analysis, and structural equation modeling. Results: Autonomy support positively predicted the coach-athlete relationship. The coach-athlete relationship was only positively predicted to effective communication of collective efficacy dimension. Coach-Athlete relationship positively predicted of effective communication, trust for leader, and sufficient training of collective efficacy dimension. The relationships between perceived autonomy support and trust for leader, and sufficient training were mediated by the coach-athlete relationship. Conclusion: These results suggest potentially valuable practical applications for coaches, athletes, and psychologists in the professional province.

I. 서 론
 Ⅱ. 연구방법
  1. 연구대상
  2. 측정도구
  3. 연구절차
  4. 측정도구와 신뢰도
  5. 분석방법
 Ⅲ. 결 과
  1. 측정모형 검증 및 상관분석
  2. 구조모형 검증
 Ⅳ. 논 의
 참고문헌

• 최헌혁(단국대학교 체육교육과) | Hun-Hyuk Choi (Department of Physical Education, Dankook University)
• 허진영(단국대학교 체육교육과) | Jin-Young Huh (Department of Physical Education, Dankook University) Corresponding author