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Research methodology
3 Results
- Research Monograph
What Is Translational Research? Concepts and Applications in Nutrition and Dietetics
Journal of the Academy of Nutrition and DieteticsVol. 115Issue 7p1057–1071Published online: June 23, 2015- Jamie Zoellner
- Linda Van Horn
- Philip M. Gleason
- Carol J. Boushey
Cited in Scopus: 23This monograph is tenth in a series of articles focused on research design and analysis, and provides an overview of translational research concepts. Specifically, this article presents models and processes describing translational research, defines key terms, discusses methodological considerations for speeding the translation of nutrition research into practice, illustrates application of translational research concepts for nutrition practitioners and researchers, and provides examples of translational research resources and training opportunities. - Research Monograph
Publishing Nutrition Research: A Review of Multivariate Techniques—Part 3: Data Reduction Methods
Journal of the Academy of Nutrition and DieteticsVol. 115Issue 7p1072–1082Published online: April 30, 2015- Philip M. Gleason
- Carol J. Boushey
- Jeffrey E. Harris
- Jamie Zoellner
Cited in Scopus: 48This is the ninth in a series of monographs on research design and analysis, and the third in a set of these monographs devoted to multivariate methods. The purpose of this article is to provide an overview of data reduction methods, including principal components analysis, factor analysis, reduced rank regression, and cluster analysis. In the field of nutrition, data reduction methods can be used for three general purposes: for descriptive analysis in which large sets of variables are efficiently summarized, to create variables to be used in subsequent analysis and hypothesis testing, and in questionnaire development. - Research Review
Publishing Nutrition Research: Validity, Reliability, and Diagnostic Test Assessment in Nutrition-Related Research
Journal of the American Dietetic AssociationVol. 110Issue 3p409–419Published in issue: March, 2010- Philip M. Gleason
- Jeffrey Harris
- Patricia M. Sheean
- Carol J. Boushey
- Barbara Bruemmer
Cited in Scopus: 69This is the sixth in a series of monographs on research design and analysis. The purpose of this article is to describe and discuss several concepts related to the measurement of nutrition-related characteristics and outcomes, including validity, reliability, and diagnostic tests. The article reviews the methodologic issues related to capturing the various aspects of a given nutrition measure's reliability, including test–retest, inter-item, and interobserver or inter-rater reliability. Similarly, it covers content validity, indicators of absolute vs relative validity, and internal vs external validity.