The four theory of leadership was formulated after studying hundreds of leaders and the model includes four basic dimensions of effective leadership - support; interaction; facilitation; goal emphasis, and work facilitation. This model was tested as a predictor of an organization's effectiveness.
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.
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.
Trait theories of leadership identify the specific personality traits that distinguish leaders from non-leaders. The trait model of leadership is based on the traits or characteristics of leaders that make them successful in their leading role. These theories use heritable attributes to predict leadership effectiveness.
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.
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.
There are four characteristics of leadership that help us to understand the character of leadership as a concept. 1. Leadership is a process, 2. Leadership involves influence, 3. Leadership always occurs in a group context and 4. Leadership involves goal attainment. These are the four components that make up the character of the 'leadership' term and help us to define the leadership concept. All of these components of leadership have common characteristics.
Michigan Leadership Studies led to behavioral Leadership Theory as a result of a leadership study conducted at the University of Michigan. Michigan studies identified three important behaviors of leadership called task-oriented behavior, relationship-oriented behavior, and participative leadership. Two leadership styles associated with studies are employee orientation and production orientation.
Lewin’s Change Management Model
Lewin's change management model is a framework for managing organizational change. Lewin's methodology of different Leadership Styles recognizes three distinct stages of change - creating the perception; moving toward the new desired level of behavior and, ensuring new behavior as the norm.
According to the three-skill approach of Katz, the individual's leadership abilities vary depending on where leaders are in a management hierarchy. The practical implication of skills approach to leadership is that leaders can improve their capabilities in leadership skills through training and experience.
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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