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Table 1 Mean, SD and reliability scores of questionnaire domains (Calibration sample: n = 239)

From: Assessment of attitudes toward functional foods based on theory of planned behavior: validation of a questionnaire

Domain Minimum Maximum Mean SD Skewness Kurtosis Cronbach’s alpha ICC
Attitudes 1 5 3.70 0.75 −0.61 0.89 0.76 0.80
Subjective norms 1 5 3.56 0.68 −0.45 1.32 0.70 0.75
Perceived control 1 5 3.15 0.66 −0.36 0.78 0.50 0.78