Journal of Research in Educational Systems

Abstract The growth and development of any country depends on its education and teachers are an important factor affecting this progress..
This research was an applied research in terms of the aim and regarding data collection was correlation. The data analysis method is path analysis type.The statistical population were all senior high-school teachers in Urmia city that between them 306 teachers were selected as research sample by utilizing Morgan table and proportionate stratified random sampling technique. Tools of this research included researcher-made questionnaire for appraisal the performance of teachers)Pourheydar&etal,1398), job enthusiasm (Schaufeli&Baker,2003), organizational trust (Skut & Rader,2003)‌and learning enjoyment (pekran,2005), job autonomy(Fridman,1999). The content validity, confirmatory and exploratory factor analysis for validity of instrument were tested, and confirmed. Reliability of instruments were confirmed by Cronbach’s alpha test. According to findings tested model is fitness. Mediating role of teachers performance appraisal in relationship between learning enjoyment, job enthusiasm with job autonomy and organizationa‌l trust was confirmed. In order to creat‌e learning enjoyment in students and job enthusiasm in teachers we can develop teachers job autonomy and creat‌e a climate of trust in the school while accurately appraisal their performance.

Abstract The purpose of this research is the role of leadership styles, organizational culture and organizational trust on organizational silence in Payame Noor University of Kermanshah. The current research is applied in terms of its purpose and is descriptive-survey in terms of its nature and method. The statistical population of this research is 380 employees (scientific and administrative) of Payame Noor University of Kermanshah which 191 people were selected as the sample using Cochran formula. Data collection tools, Clarke leadership styles questionnaire (2002), Robbins organizational culture (1996), and organizational trust Alonen et al. (2008) and organizational silence Saeedipour and Akbari (1396). Validity (content, convergent, divergent) and reliability (factor load, composite reliability coefficient, Cronbach's alpha coefficient). The questionnaires indicate that the measuring instruments have a good validity and reliability. The results of the hypothesis test by SMART-PLS software and using t-test statistics and path coefficients (β) showed that leadership styles had a strong, direct and significant effect on organizational culture, organizational trust and organizational silence, respectively. Has a moderate, direct and non-significant effect, and has a weak, direct, and indirect impact. Organizational culture has a moderate, direct and significant effect on organizational trust and organizational silence, and has a moderate, direct and indirect indirect and significant effect, respectively. Also, organizational trust has a direct, significant effect on organizational silence, from organizational culture Can play the role of mediation in influencing leadership styles on organizational trust and organizational silence. Also, organizational trust can play a role as an intermediary variable in influencing leadership styles on organizational silence and organizational culture.

Abstract The purpose of this study was to investigate the role of trust and collective efficacy mediators on the relationship between transformational leadership and teamwork. This research is applied in terms of the purpose and from the perspective of the method is a descriptive correlation. The statistical population consisted of all the staff of the General Directorate of Education in Hormozgan province, which was selected using the Cochran formula of 176 people and selected by stratified random sampling method in the form of 10 working teams. For collecting data, Boston Leadership Style Leadership Questionnaire, Michael West Teamwork Questionnaire, Zarei & Associates Organizational Trust Inventory and Chen Individual and Individual Self-Efficacy Questionnaire were used for data analysis. Structural Equation Methodology was used with PLS software. The results indicate that collective self-efficacy has a moderating role on the relationship between transformational leadership and team performance, but no such role was found for organizational trust.