Psychometric Properties of Persian Version of mindfulness inventory for sport (MIS)

The aim of this study was to examine the factorial validity and reliability of Persian version of mindfulness inventory for sport in athletes from different sports. The original inventory contains 15 items and 3 subscales about awareness, non-judgmental and refocusing. 235 questionnaires were completed by aged 18-3 years-old athletes (%62.7 man and %37.3 woman). Who took part in different fields. Confirmatory factor analysis results suggest that the goodness of fit index is 0.90 and Comparative Fit Indices is 0.94. Also, The inventory reliability was calculated using the internal consistency method. The Cronbach's alpha coefficient were 0.79 for awareness; 0.86 for non-judgmental; and 0.83 for refocusing. Results confirmed the reliability and validity of the inventory. In conclusion, it seems the Persian version of mindfulness inventory for sport is suitable tool for assessing athlete mindfulness in Iranian community devaluation.