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Article History

Received: 10 August 2024

Accepted: 29 May 2025

First Online: 18 June 2025

Competing interests

: The author declares no competing interests.

: This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of Faculty of Philosophy, Philosophy of Science and Religious Studies at the Ludwig-Maximilians-Universität München (LMU) (Date 21 December 2023/No. 017) to study uncertainty and attitude change in collective decision-making.

: All participants were recruited via the ‘Munich Experimental Laboratory for Economic and Social Sciences’. Before participating in the study, participants provided written informed consent confirming that their participation is voluntary, that they could withdraw from the study at any time without any negative consequences, that their discussions will be recorded, and that their data will be stored and analysed in anonymised form for scientific purposes. The study was conducted throughout March 2024.