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.
The great man theory of leadership is a 19th-century idea that states a person is either a natural-born leader or not. Some people are born with the necessary leadership attributes that help them create a great impact on society, politics, or the military. The theory focuses on identifying the innate qualities and characteristics possessed by great men.
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.
There are four major factors in leadership called Leader, Follower, Communication, and Situation. The success of the leader is dependent on how the leader is effectively able to communicate and motivate followers to perform desired tasks using the appropriate leadership style best suited for the given situation. Interdependencies and dynamics of these four factors of leadership must be considered by a leader to be effective.
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.
Strategic Contingencies Theory is a theory of intra-organizational power. The power of a subunit or individual depends on a few contingencies and that the more contingencies are controlled by a subunit, the greater is its power. The theory focuses on tasks that need to be done in the form of problems to be solved, thus de-emphasizing personality.
The Valence Model of Leadership
The valence model of emergent leadership is based on a group-development sequence. As per the valence model, the process of emergent leadership passes through three distinct stages; Orientation, Conflict, and Emergence. Group members willingly start following and obeying the leader who has passed the "emergence threshold."
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.
According to Environmental theories of leadership, a leader needs to deal effectively with environmental complexities and lead in a certain style as a result of environmental responses. Environmental influenced leadership demand leaders to learn how to adjust environmental factors. Leaders also have the responsibility of creating the right kind of environment for their followers by focusing on environmental factors and pressures.
McClelland's Theory of Needs is a human motivation theory which states that an individual's specific needs are acquired over time through our culture and life experiences. As per the three needs theory, these acquired needs significantly influence the behavior of an individual. The three main driving motivators are the needs for achievement, affiliation, and power.
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.
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