Determining Factorial validity and reliability of Persian Version of the Achievement Goal Scale for Youth Sports

The purpose of this study was to determining validity and reliability of the Persian version of AGSYS.

262 children in between the ages of 9 and 14 years in different sport fields were chosen by random sampling and completed the Persian version of the AGSYS. First, with use of translation-back translation methods, face validity and translate accuracy of Persian version of questionnaire was confirmed. Confirmatory factor analysis was used for validation of structure of questionnaire, Cronbach alpha coefficient was used for internal consistency of questionnaire, and intra-class correlation coefficient was used to study temporal reliability of items.

The Persian version of the AGSYS has appropriate fit index and the results supported 2-factor (Task and Ego Orientation) and 12 - item structure of the initial of scale. Internal consistency for whole of scale and subscales Task and Ego Orientation were equal to 0.81, 0.79 and 0.77 respectively and temporal reliability for whole of scale and subscales were equal to 0.75, 0.65 and 0.70.

Therefore The Persian version of AGSYS can be characterized as a valid and reliable tool to evaluate the Achievement Goal of children in between the ages of 9 and 14 years in sport situations.