When timothy a. judge and ronald f. piccolo evaluated the impact of three styles of leadership based on six criteria, including job satisfaction and job performance of both leaders and followers, leadership showed the highest overall relationships.

transformational

Explanation:

According to my research on different styles of leadership, I can say that based on the information provided within the question it was transformational leadership that showed the highest overall relationships. This is because this style pertains to an individual who brings about positive, major changes in an organization, and focuses on the leader's personal characteristics and his/her relationship with group members.

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