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Title of the item:

Deliberation and confidence change.

Title:
Deliberation and confidence change.
Authors:
Heinzelmann N; Institute of Philosophy, Friedrich Alexander University of Erlangen-Nuremberg, Bismarckstrasse 1, 91054 Erlangen, Germany.; Munich Center for Mathematical Philosophy, Ludwig Maximilian University, Geschwister-Scholl-Platz 1, 80539 Munich, Germany.
Hartmann S; Munich Center for Mathematical Philosophy, Ludwig Maximilian University, Geschwister-Scholl-Platz 1, 80539 Munich, Germany.
Source:
Synthese [Synthese] 2022; Vol. 200 (1), pp. 1-13. Date of Electronic Publication: 2022 Feb 25.
Publication Type:
Journal Article
Language:
English
Imprint Name(s):
Publication: Dordrecht : Springer Netherlands
Original Publication: Dordrecht, Boston [etc.] D. Reidel Pub. Co. [etc.]
References:
Nat Neurosci. 2013 Jan;16(1):105-10. (PMID: 23222911)
Nat Hum Behav. 2017 Nov;1(11):810-818. (PMID: 29152591)
Science. 2010 Aug 27;329(5995):1081-5. (PMID: 20798320)
Science. 2010 Sep 17;329(5998):1541-3. (PMID: 20847276)
Nat Neurosci. 2016 Mar;19(3):366-74. (PMID: 26906503)
Behav Brain Sci. 2011 Apr;34(2):57-74; discussion 74-111. (PMID: 21447233)
Contributed Indexing:
Keywords: Bayesian updating; Confidence; Credence; Deliberation; Social epistemology
Entry Date(s):
Date Created: 20220302 Latest Revision: 20220716
Update Code:
20220717
PubMed Central ID:
PMC8874103
DOI:
10.1007/s11229-022-03584-3
PMID:
35233123
Academic Journal
We argue that social deliberation may increase an agent's confidence and credence under certain circumstances. An agent considers a proposition H and assigns a probability to it. However, she is not fully confident that she herself is reliable in this assignment. She then endorses H during deliberation with another person, expecting him to raise serious objections. To her surprise, however, the other person does not raise any objections to H. How should her attitudes toward H change? It seems plausible that she should (i) increase the credence she assigns to H and, at the same time, (ii) increase the reliability she assigns to herself concerning H (i.e. her confidence). A Bayesian model helps us to investigate under what conditions, if any, this is rational.
(© The Author(s) 2022.)

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