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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