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J Am Diet Assoc. 2008 Apr;108(4):679-88. doi: 10.1016/j.jada.2008.01.002.

Publishing nutrition research: a review of sampling, sample size, statistical analysis, and other key elements of manuscript preparation, Part 2.

Author information

1
Coordinated Program in Dietetics, Purdue University, West Lafayette, IN 47907, USA. boushey@purdue.edu

Abstract

Members of the Board of Editors recognize the importance of providing a resource for researchers to insure quality and accuracy of reporting in the Journal. This second monograph of a periodic series focuses on study sample selection, sample size, and common statistical procedures using parametric methods, and the presentation of statistical methods and results. Attention to sample selection and sample size is critical to avoid study bias. When outcome variables adhere to a normal distribution, then parametric procedures can be used for statistical inference. Documentation that clearly outlines the steps used in the research process will advance the science of evidence-based practice in nutrition and dietetics. Real examples from problem sets and published literature are provided, as well as reference to books and online resources.

PMID:
18375226
DOI:
10.1016/j.jada.2008.01.002
[Indexed for MEDLINE]

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