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confounding

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.10 sec.
confounding
[konfoun′ding]
1 interference by a third variable so as to distort the association being studied between two other variables, because of a strong relationship with both of the other variables.
2 a relationship between two causal factors such that their individual contributions cannot be separated.

confounding
when the effects of two, or more, processes on results cannot be separated, the results are said to be confounded, a cause of bias in disease studies.

confounding factor
one which is distributed non-randomly with respect to the independent (exposure) or dependent (outcome) variable which is the subject of an enquiry.


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