The period from the early 1940s through the late 1950s marked an important evolutionary time for the concept of leadership. During these two decades, researchers developed and refined several leadership contingency theories that introduced the concepts of initiating structure (the degree to which a leader defines, directs, and organizes his or her role and the roles of followers) and consideration (the degree to which a leader shows concern and respect for followers, looks out for their welfare, and expresses appreciation and supports them) as distinct leader behaviors that were important for leader success….

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