Theory Z also called the "Japanese Management" style is a leadership theory of human motivation focused on organizational behavior, communication, and development. It assumes that employees want to enter into long term partnerships with their employers and peers. Offering stable jobs with an associated focus on the well-being of employees results in increased employee loyalty to the company.
In emergent leadership, the leader is not appointed or elected to the leadership role but emerges as the leader as he is perceived by others over time as a result of the group's interaction. A person steps up as the leader over time by taking on tasks voluntarily, helping others complete their tasks better, and building consensus among groups.
Functional leadership theory addresses specific leader behaviors that are expected to contribute most to the organizational effectiveness by focusing on how the leadership process occurs. The leader should ensure that all needs of the group get addressed.
The Hersey and Blanchard Situational Theory model suggests that a leader must adapt his leadership style based on task and relationship behaviors appropriate to the situation. Leadership style is dependent on the maturity level and abilities of followers. Under this model, successful leadership is both task-relevant and relationship-relevant.
Robert Katz identified three leadership skills called - technical skills, human skills, and conceptual skills as the basic personal skills essential for leadership. Leaders must possess these three skills that assist them in optimizing a leader's performance. Technical skills are related to the field, human skills are related to communicating with people and conceptual skills related to setting the vision.
Trait Theory of Leadership is based on the assumption that people are born with inherited traits and some traits are particularly suited to leadership. The theory aims to discover specific leadership & personality traits and characteristics proven to predict the likelihood of success or failure of a leader.
Blake and Mouton Managerial Grid is a style leadership model that identified five manager styles based on two dimensions viz concern for people and the concern for production. Managerial Grid uses concern for production style which is largely based on McGregor's Theory X.
The development of teams is an ongoing process because the composition of the team may keep on changing. The new members may join and the old members may leave the team. The team members pass through several stages for the development of the team and there has been a lot of research to identify these stages. In this article, we discuss the common theories of team development.
Early studies on leadership were done at Ohio State University using the Leader Behavior Description Questionnaire to identify the leader's observable behaviors. Ohio State study on leadership found two behavioral characteristics of leadership - people-oriented (consideration) and task-oriented (initiating structure) leadership style.
Lewin’s Change Management Model
Lewin's change management model is a framework for managing organizational change. Lewin's methodology of different Leadership Styles recognizes three distinct stages of change - creating the perception; moving toward the new desired level of behavior and, ensuring new behavior as the norm.
Leader-Participation Model provides a set of rules to determine the form and amount of participative decision making. It helps identifies different ways a decision can be made based on the degree of follower participation. It proposes a method for leaders to involve all members of the organization work together to make decisions.
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