Choice-induced preference change and the free-choice paradigm: A clarification

Positive spreading of ratings or rankings in the classical free-choice paradigm is commonly taken to indicate choice-induced change in preferences and has motivated influential theories as cognitive dissonance theory and self-perception theory. Chen and Risen (2010) argued by means of a mathematical...

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Main Authors: Carlos Alós-Ferrer, Fei Shi
Format: Article
Language:English
Published: Cambridge University Press 2015-01-01
Series:Judgment and Decision Making
Subjects:
Online Access:http://journal.sjdm.org/12/12710/jdm12710.pdf
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author Carlos Alós-Ferrer
Fei Shi
author_facet Carlos Alós-Ferrer
Fei Shi
author_sort Carlos Alós-Ferrer
collection DOAJ
description Positive spreading of ratings or rankings in the classical free-choice paradigm is commonly taken to indicate choice-induced change in preferences and has motivated influential theories as cognitive dissonance theory and self-perception theory. Chen and Risen (2010) argued by means of a mathematical proof that positive spreading is merely a statistical consequence of a flawed design. However, positive spreading has also been observed in blind choice and other designs where the alleged flaw should be absent. We show that the result in Chen and Risen (2010) is mathematically incorrect, although it can be recovered in a particular case. Specifically, we present a formal model of decision making that satisfies all assumptions in that article but implies that spreading need not be positive in the absence of choice-induced preference change. Hence, although the free-choice paradigm is flawed, the present research shows that reasonable models of human behavior need not predict consistent positive spreading. As a consequence, taken as a whole, previous experimental results remain informative.
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spelling doaj.art-284e68da5b3d4240ba9d54cf040e3f602023-09-02T16:21:03ZengCambridge University PressJudgment and Decision Making1930-29752015-01-011013449Choice-induced preference change and the free-choice paradigm: A clarificationCarlos Alós-FerrerFei ShiPositive spreading of ratings or rankings in the classical free-choice paradigm is commonly taken to indicate choice-induced change in preferences and has motivated influential theories as cognitive dissonance theory and self-perception theory. Chen and Risen (2010) argued by means of a mathematical proof that positive spreading is merely a statistical consequence of a flawed design. However, positive spreading has also been observed in blind choice and other designs where the alleged flaw should be absent. We show that the result in Chen and Risen (2010) is mathematically incorrect, although it can be recovered in a particular case. Specifically, we present a formal model of decision making that satisfies all assumptions in that article but implies that spreading need not be positive in the absence of choice-induced preference change. Hence, although the free-choice paradigm is flawed, the present research shows that reasonable models of human behavior need not predict consistent positive spreading. As a consequence, taken as a whole, previous experimental results remain informative.http://journal.sjdm.org/12/12710/jdm12710.pdfcognitive dissonance decision making free-choice paradigm preferences. \end{NoHyper}NAKeywords
spellingShingle Carlos Alós-Ferrer
Fei Shi
Choice-induced preference change and the free-choice paradigm: A clarification
Judgment and Decision Making
cognitive dissonance
decision making
free-choice paradigm
preferences. \end{NoHyper}NAKeywords
title Choice-induced preference change and the free-choice paradigm: A clarification
title_full Choice-induced preference change and the free-choice paradigm: A clarification
title_fullStr Choice-induced preference change and the free-choice paradigm: A clarification
title_full_unstemmed Choice-induced preference change and the free-choice paradigm: A clarification
title_short Choice-induced preference change and the free-choice paradigm: A clarification
title_sort choice induced preference change and the free choice paradigm a clarification
topic cognitive dissonance
decision making
free-choice paradigm
preferences. \end{NoHyper}NAKeywords
url http://journal.sjdm.org/12/12710/jdm12710.pdf
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