https://www.selleckchem.com/pr....oducts/ins018-055-is
5. The qualitative content validity of the questionnaire was evaluated by the expert panel. Content validity ratio (CVR) and content validity index (CVI) obtained close to one for questionnaire. Construct validity was confirmed by performing factor analysis and dimensions of the questionnaire were determined. Cronbach's alpha coefficient for all dimensions was higher than 0.8. Also, intraclass correlation coefficient (ICC) for all dimensions was close to one and was between 0.84-0.95. Conclusion Validity and reliability of
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