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

Response to Pearl's comments on principal stratification

Brian L Egleston  1
Affiliations
Comment

Response to Pearl's comments on principal stratification

Brian L Egleston. Int J Biostat. 2011.

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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