List of Articles Teacher Trust Open Access Article Abstract Page Full-Text 1 - The Relationship between Teachers’ Academic Optimism Culture and Student Achievement in Junior High Schools in Tehran Mahmood Safari Nader Soleimani Open Access Article Abstract Page Full-Text 2 - The Investigation of validity and reliability of academic optimism of individual teacher questionnaire Ali Ghasemi Parvin Kadivar Hadi Keramati Mehdi Arabzadeh Open Access Article Abstract Page Full-Text 3 - Survey of relationship between perceived organizational effectiveness, teacher Trust in colleagues and openness of the school Climate with formation Organizational Citizenship Behavior principals and teachers in the schools حمید فرهادی راد عبدالله پارسا shirzad nazari