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The International Journal of Biostatistics

Ed. by Chambaz, Antoine / Hubbard, Alan E. / van der Laan, Mark J.

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ISSN
1557-4679
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"Imagine a Can Opener"--The Magic of Principal Stratum Analysis

Philip Dawid
  • University of Cambridge
/ Vanessa Didelez
  • University of Bristol
Published Online: 2012-07-23 | DOI: https://doi.org/10.1515/1557-4679.1391

Abstract

We extend Pearl's criticisms of principal stratification analysis as a method for interpreting and adjusting for intermediate variables in a causal analysis. We argue that this can be meaningful only in those rare cases that involve strong functional dependence, and even then may not be appropriate.

Keywords: causal inference; principal stratification; instrumental variables

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Published Online: 2012-07-23


Citation Information: The International Journal of Biostatistics, ISSN (Online) 1557-4679, DOI: https://doi.org/10.1515/1557-4679.1391.

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©2012 Walter de Gruyter GmbH & Co. KG, Berlin/Boston. Copyright Clearance Center

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