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Int J Biostat. 2011;7(1):24. doi: 10.2202/1557-4679.1330. Epub 2011 May 18.

Response to Pearl's comments on principal stratification.

Author information

  • Fox Chase Cancer Center.

Abstract

Dr. Pearl invites researchers to justify their use of principal stratification. This comment explains how the use of principal stratification simplified a complex mediational problem encountered when evaluating a smoking cessation intervention's effect on reducing smoking withdrawal symptoms.

KEYWORDS:

causal inference; mediation; principal stratification; smoking cessation interventions

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PMID:
21686084
[PubMed - indexed for MEDLINE]
PMCID:
PMC3114954
Free PMC Article
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