The purpose of this study is to investigate the influence of team leadership on team value and how team leadership passes through team value to affect team effectiveness. Finally,we want to understand the relative influence of transactional leadership and transformational leadership on team effectiveness and team value. This study has adopted SPSS FOR WINDOWS as the tool for ststistical analysis.For sampling data in descriptive statistics and examine the correlated coefficient Cronbach¡¦s £\ of all variables.Relativity analysis is used to examine the relationship of all variables.Block regression analysis is used to examine the predictability of team effectiveness in relation to team leadership and teem value,and the predictability of team value in relation to team leadership. Major findings include the following¡G 1. Transactional leadership and transformational leadership have significant influence on team value. 2. The intermediate effect of team value between team leadership and team effectiveness is not very strong. 3. The predictability of team effectiveness in relation to transformational leadership is better than the predictability of team effectiveness in relation to transactional leadership. 4. The predictability of team value in relation to transformational leadership is better than the predictability of team value in relation to transactional leadership.

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