Determining the Validity and Reliability of Academic engagement of Students

The present study was conducted to assess the validity and reliability of students' academic engagement questionnaire. The statistical population of the study is all students of Allameh Tabataba'i University in the academic year 2016-2017. The sample size was determined using the method of determining the sample size in the structural equation modeling (N = 550). The research method is correlation. The data gathering tool was Gunuc, S., & Kuzu's questionnaire (2015), which was distributed among the research samples purposefully. Data were analyzed using exploratory factor analysis, confirmation and main components analysis. The results showed that the scale was composed of six components and 48 items that identified 61.3% of the variance of students' academic engagement after the removal of 6 items through exploratory analysis. Also, verification of the confirmatory factor analysis parameters showed that the students' academic engagement model was fitted with six factors and acceptable indices and it can be used to measure the degree of academic engagement of students.