Statistical guidelines for clinical studies of human vision

Research output: Contribution to journalArticle

Abstract

Citation information: Armstrong RA, Davies LN, Dunne MCM & Gilmartin B. Statistical guidelines for clinical studies of human vision. Ophthalmic Physiol Opt 2011, 31, 123-136. doi: 10.1111/j.1475-1313.2010.00815.x ABSTRACT: Statistical analysis of data can be complex and different statisticians may disagree as to the correct approach leading to conflict between authors, editors, and reviewers. The objective of this article is to provide some statistical advice for contributors to optometric and ophthalmic journals, to provide advice specifically relevant to clinical studies of human vision, and to recommend statistical analyses that could be used in a variety of circumstances. In submitting an article, in which quantitative data are reported, authors should describe clearly the statistical procedures that they have used and to justify each stage of the analysis. This is especially important if more complex or 'non-standard' analyses have been carried out. The article begins with some general comments relating to data analysis concerning sample size and 'power', hypothesis testing, parametric and non-parametric variables, 'bootstrap methods', one and two-tail testing, and the Bonferroni correction. More specific advice is then given with reference to particular statistical procedures that can be used on a variety of types of data. Where relevant, examples of correct statistical practice are given with reference to recently published articles in the optometric and ophthalmic literature.
LanguageEnglish
Pages123-136
Number of pages14
JournalOphthalmic and Physiological Optics
Volume31
Issue number2
DOIs
Publication statusPublished - Mar 2011

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Guidelines
Statistical Data Interpretation
Sample Size
Tail
Clinical Studies
Conflict (Psychology)
Power (Psychology)

Bibliographical note

© 2011 The College of Optometrists. Backwell publishing. The definitive version is available at www.onlinelibrary.wiley.com

Keywords

  • analysis of variance
  • clinical studies
  • data analysis
  • human vision
  • statistical guidelines

Cite this

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Statistical guidelines for clinical studies of human vision. / Armstrong, Richard A.; Davies, Leon N.; Dunne, Mark C.M.; Gilmartin, Bernard.

In: Ophthalmic and Physiological Optics, Vol. 31, No. 2, 03.2011, p. 123-136.

Research output: Contribution to journalArticle

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