There are eight major leadership theories
1. "Great Man" Theories
Assume that the capacity for leadership is inherent – that great leaders are born, not made. These theories often portray great leaders as heroic, mythic and destined to rise to leadership when needed. The term "Great Man" was used because, at the time, leadership was thought of primarily as a male quality, especially in terms of military leadership.
2. Trait Theories
It assume that people inherit certain qualities and traits that make them better suited to leadership. Trait theories often identify particular personality or behavioral characteristics shared by leaders. For example, traits like self-confidence and courage are all traits that could potentially be linked to great leaders.
3. Contingency Theories
Contingency theories of leadership focus on particular variables related to the environment that might determine which particular style of leadership is best suited for the situation. According to this theory, no leadership style is best in all situations. Success depends upon a number of variables, including the leadership style, qualities of the followers and aspects of the situation.
4. Situational Theories
Situational theories propose that leaders choose the best course of action based upon situational variables. Different styles of leadership may be more appropriate for certain types of decision-making. For example, in a situation where the leader is the most knowledgeable and experienced member of a group, an authoritarian style might be most appropriate. In other instances where group members are skilled experts, a democratic style would be more effective.
5. Behavioral Theories
Behavioral theories of leadership are based upon the belief that great leaders are made, not born. This leadership theory focuses on the actions of leaders not on mental qualities or internal states. According to this theory, people can learn to become leaders