علی کرد

The presence of a suitable organization in the organization can improve performance and effectiveness, and as a result, increase the efficiency of organizations. Among the indicators that the organizational culture has an organizational effect according to its characteristics. This study was conducted with the aim of the effect of organizational culture on the organizational effectiveness of administrative staff with the mediation of organizational creativity in the employees of the education. The research method was correlational. The sample population was 172 employees based on Singh and Moscow's sample size determination table. data collect, Dennison's Organizational Culture Questionnaire (2000), Parsons (2005) Organizational Effectiveness Questionnaire (AGIL) and Dorabjee, Lumley, and Cartwright (1998) Organizational Creativity Questionnaire were used. The reliability of the questionnaires was obtained using Cronbach's test as 0.88, 0.90 and 0.89 respectively. The data were analyzed using SPSS25 and Lisrel8.8 software by structural equation modeling method. The findings of the research showed that organizational culture has a positive and significant effect on organizational creativity. Organizational creativity does not affect organizational effectiveness. Also, organizational culture has a positive and significant effect on the organizational effectiveness of office employees through the mediating role of organizational creativity. It is suggested that managers increase the level of organizational creativity in themselves and the organization by rediscovering and recognizing the organizational culture and using its strengths. They can accelerate this by providing continuous and diverse training and using different methods in order to increase the level of knowledge and improve job skills.