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Conceptual, Design, and Statistical Complications Associated with Participant Preference

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JournalThe Annals of the American Academy of Political & Social Science
DatePublished - Mar 2010
Issue number1
Volume628
Number of pages13
Pages (from-to)176-188
Original languageEnglish

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.

    Research areas

  • randomized controlled trial, participant preferences, RANDOMIZED CONTROLLED-TRIALS, UNDERSTANDING CONTROLLED-TRIALS, PATIENT PREFERENCES, FIELD EXPERIMENT, CLINICAL-TRIALS, ZELENS DESIGN

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