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Unwarranted variations in medical practice refer to the differences in care that cannot be explained by the illness/medical need or by patient preferences. The term “unwarranted variations” was first coined by Dr. John Wennberg when he observed small area (geographic) and practice style variations, which were not based on clinical rationale. [5]
The Three Levels of Leadership model attempts to combine the strengths of older leadership theories (i.e. traits, behavioral/styles, situational, functional) while addressing their limitations and, at the same time, offering a foundation for leaders wanting to apply the philosophies of servant leadership and "authentic leadership". [2]
A leadership style is a leader's method of providing direction, implementing plans, and motivating people. [1] Various authors have proposed identifying many different leadership styles as exhibited by leaders in the political, business or other fields.
The authoritarian leadership style, for example, is approved in periods of crisis but fails to win the "hearts and minds" of followers in day-to-day management; the democratic leadership style is more adequate in situations that require consensus building; finally, the laissez-faire leadership style is appreciated for the degree of freedom it ...
John Adair's Action Centred Leadership Model. Functional leadership theory (Hackman & Walton, 1986; McGrath, 1962) is a theory for addressing specific leader behaviors expected to contribute to organizational or unit effectiveness. This theory argues that the leader's main job is to see that whatever is necessary to group needs is taken care of ...
Leadership analysis is the art of breaking down a leader into basic psychological components for study and use by academics and practitioners. Good leadership analysis is not reductionist, but rather takes into consideration the overall person in the context of the times, society and culture from which they come.
This leadership style can be seen as the absence of leadership, and is characterized by an attitude avoiding any responsibility. Decision-making is left to the employees themselves, and no rules are fixed. Laissez-faire is the least effective leadership style, when measured by the impact of the leader's opinion on the team.
Another model that has emerged in the trait leadership literature is the Integrated Model of Leader Traits, Behaviors, and Effectiveness. [3] This model combines traits and behaviors in predicting leader effectiveness and tested the mediation effect of leader behaviors on the relationship between leader traits and effectiveness.