mgt-420 Leadership theories help explain how different leadership styles can be used to support innovation and an entrepreneurial spirit within organizations. Many different leadership theories exist, and they all focus on different aspects of leadership. Contingency leadership approaches, such as Fiedler's contingency model, the Hersey-Blanchard situational model, House's path-goal theory, the leader-member exchange theory, and the Vroom-Jago leader-participation model, take into account the different situations that a leader may face in order to determine the best approach to take