Teacher empowerment is a central theme of current educational rhetoric emphasizing an increase of teachers' professional status through the restructuring of school organizations. In order to successfully empower teachers, principals' leadership styles need to involve the management of complexity.
The purpose of this study is to investigate the impacts of principals' 4 leadership styles(human resource, structural, political, and symbolic) on teacher empowerment(decision making, professional growth, self-efficacy, autonomy). The results of multiple regression analysis are as follows : the human resource leadership has a affirmative effect on teachers' professional growth and self-efficacy, the structural leadership on self-efficacy, the political leadership on decision making and autonomy, and the symbolic leadership on decision making and professional growth.
The results of moderating effects analysis of sex and school grade on the relationship between leadership styles and empowerment show that the effects of political leadership on decision making is more in men group, the effects of human resource leadership on decision making and the effects of symbolic leadership on professional growth in middle school teachers group respectively.