Ali Tanhayi - Corresponding Author: M.Sc. in History and Philosophy of Education, Department of Islamic Education, Payam-e-Noor University of Tehran

Nowadays, although they value in-service training because of the rapid evolution of societies and the need for organizations to adapt to them, But little research has been done on the impact of on-the-job training, especially on the amount, success, and job satisfaction of teachers. The purpose of this study was to investigate in-service training courses on the efficiency, success and job satisfaction of trained teachers. Descriptive and inferential statistical methods have been used to achieve this goal and research questions. Therefore, the post-event causal-comparative research method is used. The statistical population of the study is all teachers of education guidance schools in Tehran province who have passed long or short term in-service training courses as well as teachers who have not passed these courses. 450 teachers from the above community were selected as the sample of the study. 150 persons completed long-term training courses, 150 individuals completed short-service training courses and 150 did not complete in-service training courses. In this study, sampling was random-systematic. Based on the findings of the study, it can be concluded that in-service teachers viewpoints have been effective on the efficiency, success and job satisfaction of trained teachers and the overall score in terms of teachers agreement with this concept is 70.71%.

In-Service Training, Efficiency, Success, Job Satisfaction, Trained Teachers