Conceptual, Design, and Statistical Complications Associated with Participant Preference

Hannah R. Ainsworth, David J. Torgerson and Arthur R. Kang 'Ombe
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Hannah R. Ainsworth: Institute for Effective Education at the University of York
David J. Torgerson: York Trials Unit
Arthur R. Kang 'Ombe: Health Sciences Department, York Trials Unit, at the University of York

The ANNALS of the American Academy of Political and Social Science, 2010, vol. 628, issue 1, 176-188

Abstract: Participants in randomized trials sometimes prefer to be assigned to one arm rather than another. While randomization aims to ensure that participants with different preferences are spread equally among the arms of the trials, it cannot always address the possible effects of participant preferences on outcomes, compliance, and attrition. This paper discusses the conceptual, design, and statistical complications associated with preference effects and evaluates a number of experimental designs that have been proposed to gauge and minimize the effect of participant preferences.

Keywords: randomized controlled trial; participant preferences (search for similar items in EconPapers)
Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:sae:anname:v:628:y:2010:i:1:p:176-188

DOI: 10.1177/0002716209351524

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