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Negative Controls: A Tool for Detecting Confounding and Bias in Observational Studies
Non-causal associations between exposures and outcomes are a threat to validity of causal inference in observational studies. Many techniques have been developed for study design and analysis to identify and eliminate such errors. Such problems are not expected to compromise experimental studies, wh...
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| Main Authors: | , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2010
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3053408/ https://ncbi.nlm.nih.gov/pubmed/20335814 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1097/EDE.0b013e3181d61eeb |
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