Assessing observer variability: A user's guide

Zoran B. Popovic*, James D. Thomas

*Corresponding author for this work

Research output: Contribution to journalReview article

44 Scopus citations

Abstract

Some form of the assessment of observer variability may be the most frequent statistical task in medical literature. Still, very little attempt is made to make the reported methods uniform and clear to the reader. This paper provides overview of various measures of observer variability, and a rationale of why using standard error of measurement (SEM) is preferable to other measures of observer variability. The supplemental file contains examples on how to design a proper repeatability and reproducibility assessment, determine appropriate sample size, and test for significance of its findings.

Original languageEnglish (US)
Pages (from-to)317-324
Number of pages8
JournalCardiovascular Diagnosis and Therapy
Volume7
Issue number3
DOIs
StatePublished - Jun 1 2017

Keywords

  • Observer variability
  • Statistics

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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