The purpose of this study was to validate and validate the online class questionnaire. This study was a correlational study. The statistical population of the present study was physical education students. According to the minimum sample size criterion required for data collection in factor analysis, 384 customers were selected as a statistical sample. Questionnaires were randomly distributed among the samples. Convenience sampling method was used. The standard Bangirt online questionnaire (2004), which was reviewed by Gopal et al. (2021), was used. The questionnaire had four components: quality of instructor, course design, promptfeedback and expectation of students. The scoring method for the questions was based on the Likert five-point scale. The face and content validity of the questionnaire was determined with the help of 10 experts. To analyze the data from Cronbach's alpha coefficient and combined reliability tests to determine internal reliability, from KMO test to determine sampling adequacy, from exploratory factor analysis to identify components and from confirmatory factor analysis to determine structural validity used. The results showed that the reliability of the questionnaire components was acceptable. Regarding the relationship between agents and online classes, the results showed that all agents were able to explain well the concept of online classes; As a result, the internal and external validity of the online classroom model was confirmed. With the approval of the tools mentioned in this study, future researchers can use the current tools to determine students' attitudes toward online classes.