Publishing Nutrition Research: Validity, Reliability, and Diagnostic Test Assessment in Nutrition-Related Research Philip M. Gleason, PhD, Jeffrey Harris,

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Presentation transcript:

Publishing Nutrition Research: Validity, Reliability, and Diagnostic Test Assessment in Nutrition-Related Research Philip M. Gleason, PhD, Jeffrey Harris, DrPH, RD, Patricia M. Sheean, PhD, RD, Carol J. Boushey, PhD, MPH, RD, Barbara Bruemmer, PhD, RD Journal of the American Dietetic Association Volume 110, Issue 3, Pages 409-419 (March 2010) DOI: 10.1016/j.jada.2009.11.022 Copyright © 2010 American Dietetic Association Terms and Conditions

Figure 1 The following terms are useful in understanding measurement and related issues in nutrition research. aEntries are based on reference 8. NOTE: Information from this figure is available online at www.adajournal.org as part of a PowerPoint presentation. Journal of the American Dietetic Association 2010 110, 409-419DOI: (10.1016/j.jada.2009.11.022) Copyright © 2010 American Dietetic Association Terms and Conditions

Figure 2 Classification of true/false positives and negatives. Journal of the American Dietetic Association 2010 110, 409-419DOI: (10.1016/j.jada.2009.11.022) Copyright © 2010 American Dietetic Association Terms and Conditions

Figure 3 General interpretation of likelihood ratios (LR). Journal of the American Dietetic Association 2010 110, 409-419DOI: (10.1016/j.jada.2009.11.022) Copyright © 2010 American Dietetic Association Terms and Conditions

Figure 4 Nomogram for using likelihood ratios and pretest probability to determine post-test probability. Journal of the American Dietetic Association 2010 110, 409-419DOI: (10.1016/j.jada.2009.11.022) Copyright © 2010 American Dietetic Association Terms and Conditions