Medical

lurking variable

lurking variable

Clinical trials A variable in a study population that is undetected/unsuspected and may alter interpretation of causal relationships. See Observational study.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
finding appears to be a clear example of a spurious correlation (otherwise known as illusory correlation or the "lurking variable"), a situation in which two otherwise unrelated variables are correlated because each is related to a third unmeasured variable.
Reply to the rejoinder on taxonomy of Health Networks and Systems: a reassessment
In both instances, the researcher needs to keep in mind the potential for lurking variables, creating a syndrome frequently referred to as Simpson's paradox (Demers & Rossmo, 2015; Fu, et al., 2015; Galipaud et al., 2015; Norton & Devine, 2015; Simon & Rossmo, 2015).
GUARDING AGAINST SIMPSON'S PARADOX WHEN COMBINING DATA SETS
The order of the cures was randomized by Design-Expert as insurance against lurking variables, such as machine wear.
Design of experiments helps reduce injection molding scrap rate by 90%
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