Construction and investigating of psychometric characteristics of research Engagement questionnaire in postgraduate students

The present study was conducted with the aim of constructing and investigating the factor structure of students' research engagement questionnaire. The research method was survey and the statistical population includes all of the postgraduate students of humanities faculty (Literature and Humanities, Islamic Theology and Science, Sport Sciences, Education and Psychology, Administrative and Economic Sciences) at Ferdowsi University of Mashhad (N=3199). Using Cochran formula, the sample size was estimated to be 343 student. The participants were selected by stratified random sampling. The theoretical model Linnenbrink and Pintrich (2002) was determined as the basis of scale construction. This model includes three components of cognitive, emotional, and leadership engagement. SPSS and AMOS software are used for data analysis. Content validity and confirmatory factor analysis were used to determine the validity of the questionnaire and Cronbach's alpha coefficient to check the reliability. The results showed that the alpha coefficient of the questionnaire was 0.89 and for cognitive (0.80), emotional (0.73) and behavioral (0.76). Content validity of the questionnaire was confirmed by 8 experts of Ferdowsi University of Mashhad (based on CVI) and inappropriate items were removed. Goodness indicators confirmed the fit of the model. According to the research results the research engagement questionnaire had good internal consistency and validity and this questionnaire can be used in research.