Validity and reliability Persian version of Sport Motivation Scale (SMS-6)

Scholars believe that if a society encourages its people to do physical exercise, in fact, it has contributed to its own self-esteem and physical and spiritual health as well .The aim of the present study was to investigate validity and reliability of Persian version of Sport Motivation Scale (SMS-6). This was a descriptive- correlational research whose statistical population consisted of all students of Tehran University included 241 students (132 men and 109 women) with 18 to 30 years old. The measurement tool of the research was Sport Motivation Scale (SMS-6) included six subscales and 24 questionnaires. This scale follows Self-Determination Theory that in one spectrum from amotivation to intrinsic motivation determines the type of sport motivation of a person which includes the following subscales namely amotivation, extrinsic regulation, identified regulation, self-determined regulation, mixed regulation, and intrinsic regulation. Test-retest method was applied in order to calculate the stability and Cronbach’s Alpha was used for determining internal consistency, and for establishing the validity and reliability of the construct, Confirmatory Factor Analysis, exploratory Factor Analysis and Pearson correlation test were applied, respectively. The result showed that Persian version of sport motivation scale provided support structure of original form and validity and reliability were confirmed. According to results, Persian version of Sport Motivation Scale (SMS-6) has acceptable validity and reliability and suggested to evaluate motivation in sport settings. In fact people motivational factors can be indicated by researchers to find best way for increasing rate of participation in physical activity settings.