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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Servant Leadership is a recent revolutionary theory of leadership that focuses on leaders achieving authority rather than power. A servant leader considers the needs of others and tries to serve the followers by becoming a servant first. Servant leadership is leading with a desire to better serve others.
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Transformational Theories of Leadership
Transformational leadership theories focus on the leadership approach where the leader encourages, inspires employees to innovate and create positive and valuable organizational change. A transformational leader works towards “transforming” the culture to one that cultivates trust, mutual admiration, loyalty, and respect with the end goal of developing followers into leaders. Transformational leaders are known to be visionary, inspiring, daring, risk-takers, and thoughtful.
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Leadership Participation Inventory (LPI)
Kouzes and Posner introduced the Leadership Participation Inventory model of Transformational leadership. This model is also known as Kouzes and Posner's Leadership Challenge Model. They identified five practices of exemplary leadership - Model the Way, Inspire a Shared Vision, Challenge the Process, Enabling Others to Act, and Encourage the Heart.
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The multiple linkage model states that leadership effectiveness is based on six variables. Multiple variables of a leader's behavior and situation have a linkage to the performance of the individual follower and work unit performance. The theory is based on the notion of the link between the organization process and managerial influence.
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Have you ever resonated that there seem to be as many different ways to lead people as there have been great leaders? When we recall the success of Mahatma Gandhi, Nelson Mandela, Abraham Lincoln, Napoleon Bonaparte to Steve Jobs and Jack Welch, we also notice that they all used different approaches that were suitable to their specific situations and circumstances. Over the last century, researchers and psychologists have developed simple ways to describe the “Styles of leadership” and in this section, we will explore these commonly known leadership styles.
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Jung first introduced his personality theory and explained that all humans have a natural impulse to relate meaningfully to the world through productive work and people through significant relationships. He used four psychological functions - thinking and feeling (rational functions) and sensation and intuition (irrational functions). He also used introversion and extraversion and its impact on appropriate leader behaviors.
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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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Hawthorne Studies - Leadership
The Hawthorne studies were conducted on workers at the Hawthorne plant of the Western Electric Company by Elton Mayo and Fritz Roethlisberger in the 1920s. This study established the behavioral change that happened due to an awareness of being observed, resulting in active compliance with the supposed wishes of researchers, because of special attention received, or positive response to the stimulus being introduced.
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Behavioral Theories of Leadership
Behavioral Theory of leadership is a big leap from Trait Theory, as it was developed scientifically by conducting behaviour focused studies. The theory emphasizes that leadership capability can be learned, rather than being inherent. This theory is based on the principle that a leader's behaviors can be conditioned in a manner that one can have a specific response to specific stimuli.
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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.
