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Article: Study results from M.J.M. Chinapaw and colleagues broaden understanding of medical research methodology.(Clinical report)
- Article from:
- Health & Medicine Week
- Article date:
- October 19, 2009
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"Accurate measures of physical activity are highly needed. We evaluated the test-retest reliability and construct validity of the self-report Activity Questionnaire for Adults and Adolescents (AQuAA)," scientists in Netherlands report (see also Medical Research Methodology).
"The AQuAA is a commonly used questionnaire in Dutch youth. In the test-retest reliability study, 53 adolescents and 58 adults completed the AQuAA twice, with an interval of two weeks. In the validity study, 33 adolescents and 47 adults wore an accelerometer (Actigraph) during two weeks, and subsequently completed the AQuAA. In adolescents the test-retest reliability was fair to moderate ...