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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Continuum of leadership is a leadership theory based on the relationship between the level of freedom given to the team and the level of authority used by the manager. The chosen leadership style will depend on multiple factors, including the leader's personality.
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Social learning theory is a theory of learning process that states that most human behavior is learned observationally through modeling. Behavior change can occur in response to leader modeling and learning occurs through the observation of rewards and punishments. The focus of this approach has been teaching leadership across formal and informal settings.
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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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Leadership has been defined in different ways by different sets of scholars. In very simple terms leadership can be defined as the skill of a person to influence an individual or a group for achievement of a goal in a given situation. One can use different dimensions and perspectives to define leadership. Through the evolution of leadership thought, leadership has been defined in various ways discussed here.
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Trait theories of leadership explain the leadership traits that have been studied to determine what makes certain people great leaders. The practical application of the theory is looking at how the leader‟s behavior affects their subjects.
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Contingency Theories of Leadership
Contingency theories of leadership focus on both the leader's persona as well as the situation/environment in which that leader operates. These theories consider the context of leadership which means whether or not the leadership style suits a particular situation and states that a leader can be effective in one circumstance and a failure in another one. A leader will be most effective when he applies the right leadership style to a given situation and environment around him. Contingent leaders are flexible and adaptable.
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The group and exchange theories of leadership are derived from social psychology. These have their roots in the exchange theory. Leaders from different kinds of relationships with various groups of subordinates. Group theories describe how leaders need to maintain their position in group dynamics.
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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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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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The open systems model of leadership acknowledges the influence of the environment on organizations. An open system regularly exchanges feedback with its external environment. The environment also provides key resources that are necessary to sustain and lead to change and survival. Leadership in an open system should focus on influence, open communication, and patterns to control expanding the number of variables created by external dynamics.
