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.
Life cycle theory of Leadership
Situational Leadership Theory was first introduced in 1969 as the life cycle theory of leadership. This theory suggests that type of leadership style appropriate in a given situation depends on the maturity of the follower. As per life cycle theory, leader need to match the leadership style according to the situation and leader behavior varies as the group matures.
Five Factors Model (FFM) also known as Five-Factor Personality Model is based on five broad personality traits which are extraversion, neuroticism, openness to experience, agreeableness, and conscientiousness represented by acronym OCEAN, these traits are often referred to as the “Big Five”.
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.
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.
Neo-Emergent Leadership theory supports that leadership is created through the emergence of information. Leaders can only be recognized after a goal is met. Follower’s perception of leaders is influenced by the ways these goals were accomplished.
The Systemic Approach to Leadership
The systemic approach to leadership looks at the organization as a whole and focuses on the understanding of the organization as a system. Moving to systems thinking demand managers to view organizations as organic systems. Leaders are also part of this complex system which is constantly undergoing change and evolving. The leaders need to manage the relations and networks within these systems by acting with systemic awareness.
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.
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.
Maslow's hierarchy of needs is a motivational theory that explains that people are motivated by five basic categories of human needs. These needs are physiological, safety, love and belonging, esteem, and self-actualization. There is a little scientific basis for this concept of a hierarchy of needs.
The Fiedler Model of leadership is a contingency theory and states that a leader's effectiveness is based on the situation. There is no one best style of leadership and the effectiveness of a leader in an organization depends on matching the leader to the situation. Leaders should determine the natural leadership style and assess the situation to flex the style.
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