فهرست مطالب abdolreza khosravi

The present study was designed and conducted with the aim of pathology of environmental education in the Ministry of Education of Iran. The method of this research was survey. The statistical population included experts from the Ministry of Education. According to Morgan's table, 169 people were selected as the statistical sample of the study. Based on the return rate of the questionnaires, which was 86%, 145 questionnaires were analyzed. The data collection tool was a researcher-made questionnaire based on the Weiss board model, which had two demographic sections and the main questions of 22 questions. Due to the epidemic of COVID-19 disease, the questionnaire was delivered to the statistical sample online. For data analysis, statistical methods of Smirnov Kolmogorov, exploratory factor analysis test and sample t-test were used. The results showed that 6 complications of goals, structure, reward, useful mechanisms, communication and leadership were among the complications related to environmental education in the Ministry of Education and the complication of goal was more unfavorable than others. Therefore, it is inferred that senior managers of the Ministry of Education should pay more attention to the goals in order to improve environmental education.

this study aims to investigate the relationship between group cohesion and conflict types (Task Conflict, Relational Conflict) and the effectiveness of football teams in the Iran's premier league clubs. The research method was descriptive (correlation), both field and library. The statistical population includes all the players and coaches of 16 teams competing in the 16th Premier League Football Championship in 2017. To collect data, Widmeyer's Group Coherency Inventory (1985), Jehn’s Conflict Types Questionnaire (1997) and Wang's Team Effectiveness Questionnaire (2000) were used. The results were obtained using structural equation modelling and partial least squares method. The results showed a positively significant relationship between task conflict and relational conflict and team’s effectiveness in the Iran's premier league clubs. Also, both task conflict and relational conflict had negative impact on team’s effectiveness. There is also a positive and significant relationship between teamwork coherence and teamwork effectiveness from the viewpoints of players and coaches.