Biased but in doubt: conflict and decision confidence.

Human reasoning is often biased by intuitive heuristics. A central question is whether the bias results from a failure to detect that the intuitions conflict with traditional normative considerations or from a failure to discard the tempting intuitions. The present study addressed this unresolved de...

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Autores principales:	Wim De Neys, Sofie Cromheeke, Magda Osman
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2011
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ba9b8b7737ee4f3ba77630ba0b94e03c
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spelling	oai:doaj.org-article:ba9b8b7737ee4f3ba77630ba0b94e03c2021-11-18T06:59:56ZBiased but in doubt: conflict and decision confidence.1932-620310.1371/journal.pone.0015954https://doaj.org/article/ba9b8b7737ee4f3ba77630ba0b94e03c2011-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21283574/?tool=EBIhttps://doaj.org/toc/1932-6203Human reasoning is often biased by intuitive heuristics. A central question is whether the bias results from a failure to detect that the intuitions conflict with traditional normative considerations or from a failure to discard the tempting intuitions. The present study addressed this unresolved debate by using people's decision confidence as a nonverbal index of conflict detection. Participants were asked to indicate how confident they were after solving classic base-rate (Experiment 1) and conjunction fallacy (Experiment 2) problems in which a cued intuitive response could be inconsistent or consistent with the traditional correct response. Results indicated that reasoners showed a clear confidence decrease when they gave an intuitive response that conflicted with the normative response. Contrary to popular belief, this establishes that people seem to acknowledge that their intuitive answers are not fully warranted. Experiment 3 established that younger reasoners did not yet show the confidence decrease, which points to the role of improved bias awareness in our reasoning development. Implications for the long standing debate on human rationality are discussed.Wim De NeysSofie CromheekeMagda OsmanPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 6, Iss 1, p e15954 (2011)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Wim De Neys Sofie Cromheeke Magda Osman Biased but in doubt: conflict and decision confidence.
description	Human reasoning is often biased by intuitive heuristics. A central question is whether the bias results from a failure to detect that the intuitions conflict with traditional normative considerations or from a failure to discard the tempting intuitions. The present study addressed this unresolved debate by using people's decision confidence as a nonverbal index of conflict detection. Participants were asked to indicate how confident they were after solving classic base-rate (Experiment 1) and conjunction fallacy (Experiment 2) problems in which a cued intuitive response could be inconsistent or consistent with the traditional correct response. Results indicated that reasoners showed a clear confidence decrease when they gave an intuitive response that conflicted with the normative response. Contrary to popular belief, this establishes that people seem to acknowledge that their intuitive answers are not fully warranted. Experiment 3 established that younger reasoners did not yet show the confidence decrease, which points to the role of improved bias awareness in our reasoning development. Implications for the long standing debate on human rationality are discussed.
format	article
author	Wim De Neys Sofie Cromheeke Magda Osman
author_facet	Wim De Neys Sofie Cromheeke Magda Osman
author_sort	Wim De Neys
title	Biased but in doubt: conflict and decision confidence.
title_short	Biased but in doubt: conflict and decision confidence.
title_full	Biased but in doubt: conflict and decision confidence.
title_fullStr	Biased but in doubt: conflict and decision confidence.
title_full_unstemmed	Biased but in doubt: conflict and decision confidence.
title_sort	biased but in doubt: conflict and decision confidence.
publisher	Public Library of Science (PLoS)
publishDate	2011
url	https://doaj.org/article/ba9b8b7737ee4f3ba77630ba0b94e03c
work_keys_str_mv	AT wimdeneys biasedbutindoubtconflictanddecisionconfidence AT sofiecromheeke biasedbutindoubtconflictanddecisionconfidence AT magdaosman biasedbutindoubtconflictanddecisionconfidence
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Biased but in doubt: conflict and decision confidence.

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