Great Man School Bureaucratic School Human Relations School Strategy School Network School
Period 1900－1920 1930s 1960－1980 1980s 2000s
Research Focus ＂Great men＂in history \＆ contemporary society Core Management skills Emergence of leadership with informal groups How CEO \＆top teams set aspirations \＆ align people \＆ resources to achieve them How leadership occurs across members of a network
Research Outcomes Lists of traits believe to predict the capacity for leadership Descriptions of executive responsibilities that stress the importance of the systematic developme coping to application of rules Behavioural models of leadership \＆lists of leadership roles Various definitions； Descriptions of how leadership is enacted as a distributed responsibility
Leadership style Charismatic leadership Rational－legal autonomy "－Transform－ ational leadership
－Visionary Tleadership" "－Front－line leadership
－Knowledge leadership"| | Great Man School | Bureaucratic School | Human Relations School | Strategy School | Network School |
| :--- | :--- | :--- | :--- | :--- | :--- |
| Period | 1900－1920 | 1930s | 1960－1980 | 1980s | 2000s |
| Research Focus | ＂Great men＂in history \＆ contemporary society | Core Management skills | Emergence of leadership with informal groups | How CEO \＆top teams set aspirations \＆ align people \＆ resources to achieve them | How leadership occurs across members of a network |
| Research Outcomes | Lists of traits believe to predict the capacity for leadership | Descriptions of executive responsibilities that stress the importance of the systematic developme coping to application of rules | Behavioural models of leadership \＆lists of leadership roles | Various definitions； | Descriptions of how leadership is enacted as a distributed responsibility |
| Leadership style | Charismatic leadership | Rational－legal autonomy | | －Transform－ ational leadership <br> －Visionary Tleadership | －Front－line leadership <br> －Knowledge leadership |
