Creating snd standardization of job satisfaction questionnaire based on item-response theory for the employees in the municipality of sari

This project has been done with the porpose of crating and standardizing the job satisfaction’s questionnaire for the employees in the municipality of Sari with the item response theory, Fristly, 80 questions, by considering the ilterature of job satisfaction, were prepared for making the job satisfaction questionnaire. Secondly, the content validity of the questions was tested by 7 expert panels. Therefore, regarding the exerts’ opinions, some questions were removed so as to avoid repetitions and drawbacks. In the first implementation, 55 paper based questions were asked to the 80 employees and again the questionnaire was revised by removing some questions with low reliability. Finally, the 50 remained questions were asked from 300 municipal employees. After collecting the questionnaires, the reliability of the questionnaire was assessed using internal consistency (Cronbach’s alpha coefficient) and removing 4 questions, a=0.954 for males, a=0.972 for females and a=0.969 for all of the individuals. Futhermore, 5 different factors named, general satisfaction (a=0.942), satisfaction with the manager (a=0.924), satisfaction with the wage (a=0.870), satisfaction with the colleagues (a=0.902) and satisfaction with the working atmosphere (a=0.800), were calculated using principal axis factoring. Moreover, the average performance tables have been estimated and the psychometric features were assessed using Multilog software. Regarding this software, all of the questionnaire’s questions exhibit ideal features. Construct validity of the questionnaire were determined using the correlation between prepared questionnaire and 3 different job satisfaction questionnaires including Spector, Minnesota and job description Indication JDI and the numbers were calculated to be r=0.767 , r=0.781 and r=0.684 respectively. The presented numbers indicate the ideal construct validity of the questionnaire.