In their landmark 1959 report often referenced in leadership theory, social psychologists John R. P. French and Bertram Raven pinpointed five bases of power: Legitimate: when people perceive that your rank in a formal hierarchy—e.g., manager, CEO, or president—gives you the right to “prescribe” their behavior Reward: when people perceive your ability to distribute rewards for completed tasks or met goals Coercive: when people perceive your ability to distribute punishments and disincentives (the opposite of reward power) Expert: when people perceive your special knowledge or expertise, which causes them to defer to your expertise Referent: when people feel “oneness” with you or a desire to be like you, leading to their respect and admiration of you Referent power is considered the most potent because it doesn’t require that a leader micromanage, use coercion, or reward to influence others. People follow a leader with referent power based on who the leader is and how they behave. According to French and Raven, referent power has the broadest range of influence of any power, allowing it to be leveraged on a large scale.

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