Construction and Evaluation of Psychometric Properties of Teachers\' Job Motivation Questionnaire

Purpose: Considering the importance of job motivation in educational jobs, the present study was conducted with the aim of construction and investigation the psychometric properties of teachers' job motivation questionnaire. Methodology: The present study in terms of purpose was applied and in terms of implementation method was descriptive from type of correlation. The study population was elementary school teachers of Tehran city in the 2019-20 academic years, which according to the Cochran's formula the sample size was estimated 400 people and were selected as a sample by multi-stage cluster random sampling method. Data were collected by the researcher-made job motivation questionnaire (49 items) and analyzed by exploratory factor analysis and structural equation modeling in SPSS-22 and AMOS-24 software. Findings: The results showed that teachers' job motivation had 2 factors and 9 components; so that the external factor of job motivation were included four components of school environment, salary system, leadership style/ support of managers and performance evaluation and reward and the internal factor of job motivation were included five components of in-service training, work and cognitive interests, how to effective communication, perfectionist ideas and selection and choice and the factor load of both factors and all nine components were significant at the confidence level of 0.99. Also, the content validity of the instrument was confirmed by experts' opinion and the convergent validity of the instrument was confirmed by the correlation coefficient of the score of each factor or component with the total score of the instrument. In addition, the reliability of Cronbach's alpha method was estimated for the whole instrument 0.92, external factor of job motivation 0.85, internal factor of job motivation 0.85, school environment 0.75, salary system 0.66, leadership style/ support of managers 0.91, performance evaluation and reward 0.65, in-service training 0.85, work and cognitive interests 0.90, how to effective communication 0.81, perfectionist ideas 0.83 and selection and choice 0.71. Conclusion: The teachers' job motivation questionnaire was a valid and reliable instrument. As a result, specialists and planners of the education system can use it to review and evaluate the current situation of teachers' job motivation and provide solutions to strengthen their job motivation.