目標：本研究旨在探討台灣國民小學健康促進學校推動團隊領導方式、集體效能與團體效果之現況及關係模式驗證。方法：以全國96學年度教育部核定為健康促進學校的518所國民小學之健康促進學校推動團隊為研究對象，採橫斷性研究設計，以縣市分區與學校規模作分層隨機抽樣，共收集497位，有效問卷429份，達86.32%有效回收率。以結構式問卷包括背景資料、領導方式、集體效能、及團體效果收集資料。收集的資料以描述性、迴歸分析及結構方程模式進行統計分析，p＜.05為具統計顯著意義。結果：本研究結果顯示支持假設性關係模式。領導方式除可對團體效果產生.49的直接效果外，亦可透過集體效能之中介變項對團體效果產生.32的間接效果，領導方式對團體效果的總效果為.81。另外，領導方式、集體效能可以解釋團體效果53.9%的總變異量。結論：領導者越有領導力，除了可直接對團體效果產生正向的影響外，亦可透過集體效能對其產生正面的效果。

Objectives: The aim of this study was to examine the relationship between the leadership style and collective efficacy on the effectiveness of health promotion work teams in Taiwanese elementary schools. Methods: The study design was cross-sectional. According to the size of the districts and individual schools, a stratified random sample was used to select subjects from 518 health promotion work teams approved by the Ministry of Education in 2007. Four hundred and ninety-seven subjects were recruited and the response rate was 86.32% (n=429).Structured questionnaires including demographics, leadership style, collective efficacy and group
effectiveness were used to collect data. The data were analyzed using descriptive statistics,regression and SEM. p<.05 was considered as statistically significant. Results: The leadership style had .49 direct effect and .32 indirect effect on Group Effectiveness through collective
efficacy. The total effect of leadership style on Group Effectiveness was .81. Leadership style and collective efficacy were the major predictors as they accounted for 53.9% of the total variance for Group Effectiveness. Conclusions: Better leadership style will have direct and indirect effects on group effectiveness.