Design and Development of a Dialysis Food Frequency Questionnaire
نویسندگان
چکیده
منابع مشابه
Development and Validation of a Food Frequency Questionnaire for Assessing Dietary Calcium in Children
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متن کاملThe food frequency questionnaire.
To the Editors: Of course we agree with Kristal et al. (1) that validity is an issue of degree rather than a dichotomy and that multiple methods will usually be useful when evaluating validity because a perfect standard is rarely available. However, their examples based on face validity, construct validity, and predictive validity do not provide evidence that food frequency questionnaires shoul...
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ژورنال
عنوان ژورنال: Journal of Renal Nutrition
سال: 2011
ISSN: 1051-2276
DOI: 10.1053/j.jrn.2010.05.013