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attenuation factor

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attenuation factor [ə‚ten·yə′wā·shən ‚fak·tər]


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Measurement error in epidemiologic studies is known to bias the effect size estimates, and the resulting attenuation factor is usually computed as the ratio of the true variance to the overall variance (including measurement error).
Factors affecting the association between ambient concentrations and ... by Suh, Helen H. / Environmental Health Perspectives
where c is an attenuation factor between 0 and 1 given by c = var([x.
Exposure Measurement Error in Time-Series Studies of Air Pollution: ... by Cohen, Aaron / Environmental Health Perspectives
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