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Observer Variation

"Observer Variation" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

expand / collapse MeSH information
The failure by the observer to measure or identify a phenomenon accurately, which results in an error. Sources for this may be due to the observer's missing an abnormality, or to faulty technique resulting in incorrect test measurement, or to misinterpretation of the data. Two varieties are inter-observer variation (the amount observers vary from one another when reporting on the same material) and intra-observer variation (the amount one observer varies between observations when reporting more than once on the same material).


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This graph shows the total number of publications written about "Observer Variation" by people in this website by year, and whether "Observer Variation" was a major or minor topic of these publications.
Bar chart showing 86 publications over 29 distinct years, with a maximum of 6 publications in 2016
To see the data from this visualization as text, click here.