Determining the validity and reliability of Moral Decision-making questionnaire in Sport

The aim of this study was to determine the validity and reliability of Moral Decision-making Questionnaire in Sport. The statistical population of this study was the athletes in the Iran out of which 262 questionnaires were collected. Measurement Instrument was a questionnaire of 20-item used Moral Decision-making (Martin et al, 2007) with three subscales (Acceptance of Cheating, Keeping Winning in Proportion, Acceptance of Gamesmanship). Validity of questionnaire was accepted after translation by professors sport management specialists. Statistical methods were descriptive indexes for describing data, Cronbach`s alpha for determining validity, analysis of an accepting factor to determine the structures validity was used. Analytical results showed (α=0.78) reliability for Moral Decision-making questionnaire. All questions had a significant relationship with their agent in reliability of Structure, the amount of relationship and T-value, and they could be a good predictor for their agent. X2/df=3.26, RMSEA=0.064 indexes and NFI=0.90, CFI=0.90 and GFI=0.94 also confirmed the goodness of models. Also, the results about the relations of factors with the meaning of Moral Decision-making showed that all factors could be a good predictor for the concept of Moral Decision-making. Questionnaire ethical decision making reliable and valid measure that can be used to evaluate ethical decision-making in the field of sports and reliable and consistent results are achieved.