Continuum of leadership is a leadership theory based on the relationship between the level of freedom given to the team and the level of authority used by the manager. The chosen leadership style will depend on multiple factors, including the leader's personality.
The four theory of leadership was formulated after studying hundreds of leaders and the model includes four basic dimensions of effective leadership - support; interaction; facilitation; goal emphasis, and work facilitation. This model was tested as a predictor of an organization's effectiveness.
Functional leadership theory addresses specific leader behaviors that are expected to contribute most to the organizational effectiveness by focusing on how the leadership process occurs. The leader should ensure that all needs of the group get addressed.