本研究目的為了瞭解轉換型領導與團體效能之間的關係研究以團體凝聚力為中介變項，首先對於轉換型領導、團隊凝聚力及團隊效能進行探討，其次以團隊凝力為中介角色，主要受測對象中國上海市國營企業員工。共發出200份網路問卷，總共回收126分問卷，扣除無效問卷10份，有效問卷為116份。
研究結果發現：
1. 轉換型領導與團隊凝聚力呈正向相關。
2. 轉換型領導與團隊效能呈正向相關。
3. 團隊凝聚力與團隊效能呈正向相關。
4. 團隊凝聚裡的確有助於團隊效能的提升。

The aim of this study is to learn the relationship between transformational leadership and team effectiveness, team cohesion is mediating variable. Firstly, we study the connotation of transformational leadership、team effectiveness and team cohesion. Then test the employees from state-owned company in Shanghai. We all issue 200 network questionnaires, take back 126, there are 10 in vain, and 116 is valid.
The research find that:
1.Transformational leadership has significant positive influence on team cohesion.
2.Transformational leadership has significant positive influence on team effectiveness
3.Team cohesion has significant positive influence on team effectiveness
4.Team cohesion can promote team effectiveness.

Table of contents
論文審定書 i
中文摘要 ii
ABSTRACT iii
1. INTRODUCTION 1
1.1 RESEARCH MOTIVATION 1
1.2 RESEARCH PURPOSE 2
2. THEORY AND HYPOTHESES 4
2.1 TRANSFORMATIONAL LEADERSHIP 4
2.3 TEAM EFFECTIVENESS 8
THE RELATIONSHIP OF TRANSFORMATIONAL LEADERSHIP AND TEAM COHESIVE 9
2.5 THE STUDY OF TRANSFORMATIONAL LEADERSHIP AND TEAM EFFECTIVENESS 9
2.6 THE STUDY OF TEAM COHESIVENESS AND TEAM EFFECTIVENESS 11
3. METHOD 13
3.1 RESEARCH FRAMEWORK AND HYPOTHESIS 13
3.2THE OPERATIONAL DEFINITION AND MEASURE OF VARIABLE 16
3.2.1. Transformational leadership 16
3.2.2. Team cohesion 17
3.2.3.Team effectiveness 17
3.3 THE DESCRIPTION OF RESEARCH SAMPLE 18
3.3.1. Control variable 18
3.3.2.Objects of research and issue of questionnaire 18
3.4 METHOD AND CONDITION OF DATA AND SAMPLE COLLECTION 19
3.4.1. Method of date collection 19
3.4.2. Condition of sample collection 19
3.5 METHOD OF DATA ANALYSIS 19
3.5.1. RELIABILITY ANALYSIS 19
3.5.2. Descriptive statistic analysis 20
3.5.3. Correlation analysis 20
3.5.4. Regression analysis 20
4. RESULT 21
4.1 ANALYSIS OF RELIABILITY AND VALIDITY 21
4.2 Descriptive statistics 22
4.3 CORRELATION ANALYSIS 23
4.3.1. Transformational leadership 23
4.3.2. Team cohesion 24
4.4.3. Team effectiveness 24
4.4 ANALYSIS OF REGRESSION 27
4.5 MULTIPLE HIERARCHICAL REGRESSION ANALYSIS 32
5. DISCUSSION 35
5.1 RESULTS ANALYZE 35
5.2 DISCUSSION 36
5.3 LIMITATION OF STUDY AND FUTURE RESEARCH DIRECTION LIMITATION 37
5.4 FUTURE RESEARCH DIRECTION 37
REFERENCES 39
Questionnaire 44

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