In emergent leadership, the leader is not appointed or elected to the leadership role but emerges as the leader as he is perceived by others over time as a result of the group's interaction. A person steps up as the leader over time by taking on tasks voluntarily, helping others complete their tasks better, and building consensus among groups.
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.
Bass's Transformational Leadership Theory
Bass Transformational Leadership Theory is based on performance beyond expectations approach which defines four elements of transformational leadership. The 4 elements described by Bernard A. Bass in 1985 are Idealised Influence, Intellectual Stimulation, Individualised Consideration, and Inspirational Motivation. This study highlights four key insights about performance beyond expectations and associated criteria to measure it.
The cognitive resource theory states the influence of the leader's resources on his or her reaction to stress. The cognitive resources of a leader are experience, intelligence, competence, and task-relevant knowledge. Stress is common in resource managing situations, and this cognitive theory emphasizes how intelligence and experience are each best under different stress situations. This theory is the reconceptualization of the Fiedler model.
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.
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.
Reciprocal influence theory also known as reciprocal determinism is authored by Albert Bandura and states that an individual's behavior influences and is influenced by both the social world and personal characteristics. Three factors that influence behavior are the environment, the individual, and the behavior itself. Certain leader behaviors can cause subordinate behaviors and reciprocal influence on the leader by the group.
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.
The two-factor theory also known as Herzberg's motivation-hygiene theory and dual-factor theory. This motivator-hygiene theory states that certain factors cause job satisfaction whereas certain separate factors cause dissatisfaction in the workplace. An organization can adjust these factors to influence motivation. These factors are respectively termed as motivators and hygiene factors.
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.
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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