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.
Social exchange theory proposes that social behavior is the result of an exchange process. The purpose of this exchange is to maximize benefits and minimize costs. Social Exchange Theory is a social psychological and sociological perspective that explains social change and stability as a process of negotiated exchanges between parties. Social Exchange Theory posits that all human relationships are formed by the use of a subjective cost-benefit analysis and the comparison of alternatives.
Costs are the elements of relational life that have negative value to a person, like time, money, effort etc. and on the other hand rewards are the elements of a relationship that have positive value like sense of acceptance, support, and companionship etc. The Social Exchange perspective argues that people calculate the overall worth of a particular relationship by subtracting its costs from the rewards it provides. If worth is a positive number, it is positive relationship. On the contrary, negative number indicates a negative relationship. The worth of a relationship influences its outcome, or whether people will continue with a relationship or terminate it. Positive relationships are expected to endure, whereas negative relationships will probably terminate.
Social exchange theory can also be applied to leadership studies as reported by Hollandder and Julian (1969). They propose that the leader provides more benefits or regards than burden or costs to the followers who in exchange help him achieve the goals of the organization. There must be a positive exchange between the leader and followers in order for group goals to be accomplished. According to this group of theories, a leader provides more benefits/rewards than burdens/costs for followers.
In a group, members make contributions at a cost to themselves and receive benefits at a cost to the group or other members. The leader can give rewards to his followers in the form of appreciation or monetary increments or promotion for accomplishment of the organizational goals or tasks. These rewards have positive impact on attitudes, satisfaction and performance of the followers.
In return of these awards, followers respect the leader and give him due regard for his status and esteem and believe in his heightened influence. The leader tends to follow initiating structure when followers do not perform very well and increases his emphasis on consideration when the followers do a good job.
In this balancing act, the perception of his followers of his being an effective leader increases and this equation is mutually beneficial for both the leader and the follower. Interaction continues because members find the social exchange mutually rewarding.
Situational Theories of Leadership
The situational theories of leadership assume that the most effective style of leadership depends from situation to situation. Situational leadership is a leadership style in which the leader must adjust to match the development needs of the followers. They must adapt varying behaviors to strike the right balance between task & relationship based on different levels of maturity of followers and also as followers develop and cultivate their skills.
Humanistic theories of Leadership
Humanistic leadership is an ethical philosophic approach that recognizes the dignity and worth of each and every group or team member. This approach is based on building a leadership culture of trust, ethics, and empathy. Humanistic leadership is a set of principles founded on humanism with vision, mission, values, and expected behaviors. It is value-driven leadership based on principles such as humility, accountability, positivity, and love.
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.
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.
Charismatic leadership is a trait-based leadership theory where the leaders act as visionary driven by their convictions and motivate their followers to work towards common vision using their charm and persuasiveness. These charismatic leaders act as role models and exhibit extraordinary characteristics that inspire devotion and motivation in followers to persuade change. Leaders are able to cultivate a profound sense of trust with the group of followers.
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.
Behavioral Theories of Leadership
Behavioral Theory of leadership is a big leap from Trait Theory, as it was developed scientifically by conducting behaviour focused studies. The theory emphasizes that leadership capability can be learned, rather than being inherent. This theory is based on the principle that a leader's behaviors can be conditioned in a manner that one can have a specific response to specific stimuli.
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.
The Leader-Member Exchange Theory (LMX), also called the Vertical Dyad Linkage Theory is a relationship-based approach that focuses on the two-way (dyadic) relationship to get the best from all team members. How leaders maintain their position in groups and develop an exchange with each of their subordinates. How leaders and members develop relationships that can contribute to growth or hinder development.
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.
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