Background: Ethical and supportive leadership are among the leadership styles that have been seriously addressed in recent years. These types of leadership styles can influence the level of organizational effectiveness through different constructs. This research was administered with the aim of investigating the roles of ethical leadership and supportive leadership on psychological capital and ...

today, scouring is one of the important topics in the river and coastal engineering so that the most destruction in the bridges is occurred due to this phenomenon. whereas the bridges are assumed as the most important connecting structures in the communications roads in the country and their importance is doubled while floodwater, thus exact design and maintenance thereof is very crucial. f...

the purpose of this quantitative study was to investigate the relation between efl teachers’ self-efficacy beliefs and their success. moreover, the study was an analysis of the teacher age, gender and years of teaching experience, to examine the manner in which these factors relate to teacher self-efficacy as defined by bandura (1997) and teaching effectiveness as evaluated by their own student...

Introduction: Red Crescent Organization is as one of the most important NGOs that plays important roles in the field of crisis management. Effectiveness of this organization is depends on the role that assistance forces plays as human capital. In this regard, talent management is a complete collection of processes to identify, apply and manage people in order to successful implementation of bus...

The main objective of this study was to investigate the relationship between Distributed Leadership and Organizational Effectiveness of high schools in Hamadan city. The research method was descriptive-correlation. The statistical population included all high school teachers of Hamadan in the academic year of 2015. Based on classical random sampling, using Krejcie and Morgan chart, 335 teachers...

abstract cooperative learning refers to small groups of learners working together as a team to solve a problem, complete a task, or accomplish a common goal. in a cooperative environment one’s success is directly related to the success of other members because the focus on the individual shifts towards the group. to test the effectiveness of the method, using jigsaw technique, a study was cond...