Principal Stratification -- Uses and Limitations
Pearl (2011) asked for the causal inference community to clarify the role of the principal stratification framework in the analysis of causal effects. Here, I argue that the notion of principal stratification has shed light on problems of non-compliance, censoring-by-death, and the analysis of post-infection outcomes; that it may be of use in considering problems of surrogacy but further development is needed; that it is of some use in assessing “direct effects”; but that it is not the appropriate tool for assessing “mediation.” There is nothing within the principal stratification framework that corresponds to a measure of an “indirect” or “mediated” effect.
Year of publication: |
2011
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Authors: | J, VanderWeele Tyler |
Published in: |
The International Journal of Biostatistics. - De Gruyter, ISSN 1557-4679. - Vol. 7.2011, 1, p. 1-14
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Publisher: |
De Gruyter |
Saved in:
Online Resource
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