one of the high citation researches surrounding model of transformational leadership's impact on organizational citizenship behavior has been conducted by podsakoff, mackenzie, moorman and fetter (1990). using structural equation modeling, current study aims at testing this model and also 4 other models in schools on a sample including 652 teachers and 131 principals. results showed that p...

How groups of individuals achieve coordination and collective action is an important topic in the natural sciences, but until recently the role of leadership in this process has been largely overlooked. In contrast, leadership is arguably one of the most important themes in the social sciences, permeating all aspects of human social affairs: the election of Barack Obama, the war in Iraq, and th...

BACKGROUND Effective leadership is imperative in a changing health care landscape driven by increasing expectations in a setting of rising fiscal pressures. Because evidence suggests that leadership abilities are not simply innate but, rather, effective leadership can be learned, it is prudent for plastic surgeons to evaluate the training and challenges of their leaders because there may be opp...

In this conceptual paper, we present a structuration-based theory of leadership behaviours in virtual teams, that is to say, in self-organizing technology-supported small groups such as Free/Libre Open Source Software development teams. Such teams are often composed of members of relatively equal status or who are so disparate in background that formal organizational status seems irrelevant, re...

the aim of this research was to determine the role of spiritual leadership in empowering the employees of sport and youth organization in hamadan province. the research method was of a descriptive and correlation type. the statistical population of the research included 150 employees of sport and youth organization in hamadan province. 180 subjects were selected as the sample by morgan and krej...

human resources in each organization are the most valuable assets and they play a decisive role in effectiveness of that organization. managers always strive to optimize the utilization of these resources. on the other hand, without willingness of employees to cooperate voluntarily and spontaneously with the organization, it would not be possible to increase effectiveness and improve its perfor...