منابع مشابه
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These include: References http://jech.bmjjournals.com/cgi/content/full/59/5/342#BIBL This article cites 18 articles, 4 of which can be accessed free at: Rapid responses http://jech.bmjjournals.com/cgi/eletter-submit/59/5/342 You can respond to this article at: service Email alerting top right corner of the article Receive free email alerts when new articles cite this article sign up in the box ...
متن کاملJust one question: If one question works, why ask several?
A frequently asked question by clinical investigators is why they should use a lengthy, multi-item measurement scale to assess patients’ perceptions of their health, or quality of life, when there is evidence that a measure containing a single, global question is likely to suffice. Researchers may not wish to use lengthy scales because their core questionnaires are already long, the patient gro...
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ژورنال
عنوان ژورنال: Journal of Nutrition Education and Behavior
سال: 2021
ISSN: 1499-4046
DOI: 10.1016/j.jneb.2021.02.006