compilation and validation of the fear of missing scale in Iranian society

The main goal of this study was to develop and investigate the psychometric properties of the FoMO scale's consistency among Iranian adolescents and young adults

This research was a correlational study, the research population consisted of 380 Iranian teenagers and young adults aged 16 to 24 who were studying in schools and universities in Ardabil in 1400, and were selected by convenience sampling. The tools used FoMO fear of loss questionnaire were measured by an 18-question questionnaire, which was changed compared to the original questionnaire that included 10 questions. Exploratory and confirmatory factor analysis was performed to check the evidence of its structural validity. To check the construct validity Internal correlation and factor analysis were used.

The findings showed that the developed fear of loss questionnaire with three subscales of loss, compulsion and comparison and 18 questions has good reliability, validity and suitability in terms of psychometrics, The confirmatory factor structure also confirmed the proposed three-factor model of the mentioned questionnaire.

The fear of loss factor analysis questionnaire can be used to diagnose and help teenagers and young people at risk of social network damage.Keywords: Fear of missing, exploratory factor analysis, confirmatory factor analysis, adolescents, youth