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Publishing Nutrition Research: A Review of Multivariate Techniques—Part 2: Analysis of Variance  Jeffrey E. Harris, DrPH, RD, LDN, Patricia M. Sheean,

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Presentation on theme: "Publishing Nutrition Research: A Review of Multivariate Techniques—Part 2: Analysis of Variance  Jeffrey E. Harris, DrPH, RD, LDN, Patricia M. Sheean,"— Presentation transcript:

1 Publishing Nutrition Research: A Review of Multivariate Techniques—Part 2: Analysis of Variance 
Jeffrey E. Harris, DrPH, RD, LDN, Patricia M. Sheean, PhD, RD, Philip M. Gleason, PhD, Barbara Bruemmer, PhD, RD, Carol Boushey, PhD, MPH, RD  Journal of the Academy of Nutrition and Dietetics  Volume 112, Issue 1, Pages (January 2012) DOI: /j.jada Copyright © 2012 Academy of Nutrition and Dietetics Terms and Conditions

2 Figure 1 Definitions of terms used in statistical analysis.
Based on Rosner B. Fundamentals of Biostastics. 6th ed. Belmont, CA: Thomson Higher Education; 2006. Journal of the Academy of Nutrition and Dietetics  , 90-98DOI: ( /j.jada ) Copyright © 2012 Academy of Nutrition and Dietetics Terms and Conditions

3 Figure 2 Illustration of within-group variance vs between-group variance. Journal of the Academy of Nutrition and Dietetics  , 90-98DOI: ( /j.jada ) Copyright © 2012 Academy of Nutrition and Dietetics Terms and Conditions

4 Figure 3 Graphic representation of the interaction between serum 25-hydroxycholecalciferol (25-OH D3) and sunlight exposure and vitamin D-3 supplementation for hypothetical multiway analysis of variance example. Journal of the Academy of Nutrition and Dietetics  , 90-98DOI: ( /j.jada ) Copyright © 2012 Academy of Nutrition and Dietetics Terms and Conditions

5 Figure 4 Applications of different types of analysis of variance (ANOVA) to varying data situations. aLDL=low-density lipoprotein. Journal of the Academy of Nutrition and Dietetics  , 90-98DOI: ( /j.jada ) Copyright © 2012 Academy of Nutrition and Dietetics Terms and Conditions


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