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

Dawid Philip and Didelez Vanessa
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Dawid Philip: University of Cambridge
Didelez Vanessa: University of Bristol

The International Journal of Biostatistics, 2012, vol. 8, issue 1, 12

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 (search for similar items in EconPapers)
Date: 2012
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DOI: 10.1515/1557-4679.1391

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