Özet:

The purpose of this study was to test the validity and reliability of the Turkish version of Sport Mental Toughness Questionnaire-SMTQ-14. Ninenty four females (Mage=20.41􀁲2.84), 108 males (Mage =22.53􀁲4.40) totally 202 athletes (Mage =21.49􀁲3.86) voluntarly participated in this study. SMTQ-14 is 14 item instruments which have three subscales (Confidence, Control and Constancy). Exploratory factor analysis and confirmatory factor analysis were used to test validity and reliability of questionnaire. Three factor loadings explained %54.58 of SMTQ. Internal consistency coefficients of SMTQ were found for confidence 0.84, for control 0.79 and for constancy 0.51. Confirmatory factor analysis revelead that x2/df=1.98, GFI=0.90, CFI=0.91, RMR=0.04, SRMR=0.07, RMSEA=0.07, IFI=0.91, TLI=0.88 of SMTQ. It can be concluded that, Turkish versions of SMTQ is used to assess mental toughness in sport environment.

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