The Control Outcome Calibration Approach for Causal Inference With Unobserved Confounding
Unobserved confounding can seldom be ruled out with certainty in nonexperimental studies. Negative controls are sometimes used in epidemiologic practice to detect the presence of unobserved confounding. An outcome is said to be a valid negative control variable to the extent that it is influenced by...
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| Format: | Online |
| Language: | English |
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Oxford University Press
2014
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| Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3927977/ |