Background and Aims: The present study was conducted with the aim of testing the causal model of organizational deviance of education administrative staff based on job conflict with the mediation of organizational pessimism.
Method: This research was quantitative and descriptive-correlation type. The statistical population of this research was the employees of education departments of Esfahan in the academic year of 2023-2024. The sampling method was random (available). The sample size was determined according to the Kregci-Morgan model , 125 person. To collect data from the organizational deviance questionnaires of Bennett and Robinson (2000) , Dobrin's job conflict (1985) and organizational pessimism of Callaghan (2009) was used. The validity of the instruments was confirmed by the opinion of professors of educational sciences and psychology. Data with two software Spss vs. 22 and lisrel. 8.50 and was analyzed by structural equation model method.
Findings: The results showed that the presented model has a suitable and favorable fit (df/x2=2.80, GFI=0.92, , CFI=0.91, NFI=0.93, 0.082 RMSEA = 0) and the job conflict component directly and indirectly through the organizational pessimism component has a significant effect on the increase in organizational deviance of employees (p<0.05).
Conclusion: Resolving the job conflict of employees can be an effective step in helping the organizational department of education departments to adapt as much as possible to the expectations of employees, planning for their productivity and preventing and reducing organizational deviance of employees. It will improve the level of education departments to achieve their goals.