| Sources of validity evidence needed with self-report measures of physical activity. | |
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MedLine Citation:
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PMID: 22287447 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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BACKGROUND: Over the years, self-report measures of physical activity (PA) have been employed in applications for which their use was not supported by the validity evidence. METHODS: To address this concern this paper 1) provided an overview of the sources of validity evidence that can be assessed with self-report measures of PA, 2) discussed the validity evidence needed to support the use of self-report in certain applications, and 3) conducted a case review of the 7-day PA Recall (7-d PAR). RESULTS: This paper discussed 5 sources of validity evidence, those based on: test content; response processes; behavioral stability; relations with other variables; and sensitivity to change. The evidence needed to use self-report measures of PA in epidemiological, surveillance, and intervention studies was presented. These concepts were applied to a case review of the 7-d PAR. The review highlighted the utility of the 7-d PAR to produce valid rankings. Initial support, albeit weaker, for using the 7-d PAR to detect relative change in PA behavior was found. CONCLUSION: Overall, self-report measures can validly rank PA behavior but they cannot adequately quantify PA. There is a need to improve the accuracy of self-report measures of PA to provide unbiased estimates of PA. |
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Authors:
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Louise C Mâsse; Judith E de Niet |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of physical activity & health Volume: 9 Suppl 1 ISSN: 1543-5474 ISO Abbreviation: J Phys Act Health Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-01-30 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101189457 Medline TA: J Phys Act Health Country: United States |
Other Details:
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Languages: eng Pagination: S44-55 Citation Subset: IM |
Affiliation:
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Dept of Pediatrics, School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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