مهرالسادات مدنی فر

  Abstract The main goal of this research is to determine the obstacles to the effective use of contractors in education in Tehran. The current research method is descriptive-survey from the point of view of practical purpose and from the point of view of data collection, the statistical population of the research is the contracting forces, managers and specialized experts of this field of education in Tehran. The number of teaching staff for purchasing service (contracting) of education in Tehran city in the academic year of ۱۱۴۰-۲۱۴۰, which is equal to ۴۶۷ people. Also, the number of managers and experts is equal to ۱۷۰ people. The number of sample size of service purchase (contracting) training staff is ۲۱۱ people and the sample size of managers and experts is ۱۱۸ people. The data was collected using a questionnaire, and to analyze the data, first the validity and reliability of the questionnaire questions were examined. In the next step, the construct validity of all the studied indicators was calculated using confirmatory factor analysis, and then the conceptual model of the research and its fit was checked using the partial least squares method and smartpls software. Finally, the research hypotheses were investigated using    software. According to the results obtained from this research, ۸ identified factors are the lack of development of human capabilities, lack of legalism, lack of social dependence of work life, lack of fair and adequate payment, lack of social integration and cohesion, unsafe and unsanitary work environment, lack of general life atmosphere. And the lack of opportunities for continuous growth and security are obstacles to the effective employment of contractors in education in Tehran. Key words: contracting forces, quality of working life and education in Tehran