Vroom's Expectancy Theory
The Vroom-Yetton model is designed to optimize for the current situation the leadership style for best decision-making. Its a decision model formulated with contribution from Arthur Jago on how to make group decisions. The leader must gather information from the team prior to making the decision and involves more people in the decision process.
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University of Iowa Studies was the first leadership study to analyze leadership using scientific methodology. The study was conducted by Lewin, Lippitt, and White and worked on different styles of leadership. The studies explored three leadership styles - authoritarian, democratic, and laissez-fair leaders. This early study was very influential and established three major leadership styles.
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Action Centered Leadership is a model developed by John Adair and focuses on the three responsibilities of a leader which are achieving the task, managing the team, and managing individuals. All these action elements are mutually dependent and important for any leader.
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Management theories are the recommended management strategies that enable us to better understand and approach management. Many management frameworks and guidelines were developed during the last four decades.
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Power is the ability to exercise influence or control over others. Leadership involves authority and it is very important for leaders to understand what type of power they're using. The 5 Types of Power in Leadership are Coercive power, expert power, legitimate power, referent power, and reward power. Authority is the right to command and extract obedience from others. It comes from the organization and it allows the leader to use power.
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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.
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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.
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Rensis Likert studied the patterns and styles of managers and developed four management systems known as Likert's management systems. These styles developed by him are known as Likert management systems. System 1 - Exploitative Authoritative; System 2 - Benevolent Authoritative; System 3 - Consultative and System 4 - Participative.
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Socio-technical theory of leadership focus on the presence of two subsystems in every organization, the interrelatedness of social and technical aspects of an organization. Theory pertains to the social aspects of people and technical aspects of an organization, which means structure and processes within the organization.
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Idiosyncrasy Credit Model of Leadership builds upon the awareness that when the emergent leader meets the team's expectations, idiosyncrasy credits are awarded. These credits depend on how the leader fulfilled follower's expectations and what is the impact of the leader's decisions on the follower. When the balance of credits shifts, another leader will emerge.
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McGregor's Theory X and Theory Y
McGregor created Theory X and Theory Y of human work motivation and explained two styles of management known as authoritarian (Theory X) and participative (Theory Y). Theory X management assumes most people will attempt to avoid work whereas Theory Y managers trust their people to take ownership of their work.
