Unleashing the transformative power of deliberation with contextual citizens

Ariane Lambert-Mogiliansky () and Irénée Frérot ()
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Ariane Lambert-Mogiliansky: PSE - Paris School of Economics - UP1 - Université Paris 1 Panthéon-Sorbonne - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement - ENPC - École nationale des ponts et chaussées - IP Paris - Institut Polytechnique de Paris, PJSE - Paris Jourdan Sciences Economiques - UP1 - Université Paris 1 Panthéon-Sorbonne - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement - ENPC - École nationale des ponts et chaussées - IP Paris - Institut Polytechnique de Paris
Irénée Frérot: LKB (Jussieu) - Laboratoire Kastler Brossel - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres - SU - Sorbonne Université - CNRS - Centre National de la Recherche Scientifique, SU - Sorbonne Université, INP-CNRS - Institut de Physique - CNRS Physique, ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres

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Abstract: In this paper, we investigate deliberation procedures that invite citizens with contextual opinions to explore alternative thinking frames. Contextuality is captured in a simple quantum cognitive model. We show how disagreeing citizens endowed with contextual opinions can reach consensus in a binary collective decision problem with no improvement in their information. A necessary condition is that they are willing to (mentally) experience their fellow citizens' way of thinking. The diversity of thinking frames is what makes it possible to overcome initial disagreement. Consensus does not emerge spontaneously from deliberations: it requires facilitation. This article is part of the theme issue ‘Quantum theory and topology in models of decision making (Part 1)'.

Date: 2025-11
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Published in Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2025, 383, pp.20240377

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Persistent link: https://EconPapers.repec.org/RePEc:hal:pseptp:halshs-05368783

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