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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Normative leadership theories are built on moral principles and tell leaders how they ought to act. Victor Vroom formulated the normative model of leadership that specifically address leader behavior explicitly built on moral principles or norms. Normative leadership theories tell leaders how they should act to raise the moral performance inside the working group and manage their different responsibilities.
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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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Self-Fulfilling Prophecy (SFP) Leader Theory
Pygmalion theory of Leadership is a model of SFP at work involving supervisory expectancy based on the pygmalion effect. This effect is a type of self-fulfilling prophecy (SFP) in which raising leader's expectations regarding subordinate performance boosts the group's performance. Managers who are led to demand more from their team, lead the team to better performance. There is some evidence that the SFP effect does exists.
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Team leadership theory is a recent leadership theory that does not discriminate between the leader and the other team members. The approach considers contributions from each team member to be critical for organizational success. This approach focused on the overall team effectiveness and team problems are diagnosed and action is taken to remediate weakness. This approach provides for taking corrective action when the leader deems necessary.
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Transactional Theory of Leadership
Transactional leadership theory is based on the concept of rewards and punishments. The transactional management approach assumes that the desires of the leader and follower are different and leaders give followers something in exchange for getting something they want. Transactional leaders expect followers to be compliant and focuses on structure, instruction, monitoring, organization, or performance to get tasks completed on time.
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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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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 psychodynamic approach to leadership has its roots in the work done by Sigmund Freud. These involved psychological theories of personality development and explaining leadership using psychoanalytic concepts. It tries to define a person is in terms of personality traits. Personality structured into three parts (i.e., tripartite) - the id, ego, and superego.
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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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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.
