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.
Original language | English |
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Article number | 24 |
Journal | International Journal of Biostatistics |
Volume | 7 |
Issue number | 1 |
DOIs | |
State | Published - 2011 |
Keywords
- causal inference
- mediation
- principal stratification
- smoking cessation interventions