Score equivalence is at the heart of international measures of physical activity.
Zhu
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Department of Kinesiology, University of Illinois at Urbana-Champaign, USA.
D015982:Bias; D015444:Exercise; D006801:Humans; D007391:International Cooperation; D010809:Physical Fitness; D012016:Reference Values; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D011795:Surveys and Questionnaires / Q000592:standards