Contingency theories are that there is no one leadership style and that the nature of those being led, the make-up of the leader and the tasks facing a group are different. Each situation is unique and the ideal leader-led situation will be unique, as well. Some of the major contingency theories are:
Strategic Contingency Theory
Fielders' Contingency Theory (group performance depends on leader's psychological make-up, as well as group atmosphere, task, and the leader's power position)
Hersey & Blanchard's situational theory
Vroom and Yetton's decision participation contingency theory - decision quality, acceptance by the audience, amount and quality of information available to leader, integrity of hierarchy
Other categories of contingency theories emphasize:
Behavioralism
Tasks
Organizational (system) integrity
System environments
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