Measuring health: guidelines for reliability assessment.
In the area of health measurement, few guidelines exist for the health professional interested in understanding the concept of reliability. Yet, often there is a need to construct, modify, or select a reliable instrument that will satisfy a particular research or clinical need. This article reviews the concept of reliability and presents a few of the more common techniques used to calculate the reliability of health assessment instruments. Practical guidelines for questionnaire construction and administration are also discussed.
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Department of Family Medicine, University of Colorado Health Sciences Center, Denver 80220.
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D003625:Data Collection; D006304:Health Status; D006801:Humans; D015203:Reproducibility of Results