Probabilistic judgements in deluded and non-deluded subjects

Probabilistic judgements in deluded and non-deluded subjects

An experiment is described in which deluded subjects were compared with a non-deluded psychiatric control group and a normal control group on a probabilistic inference task. Deluded subjects were found to request less information before reaching a decision and to express higher certainty levels than...

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Veröffentlicht in:The Quarterly journal of experimental psychology. A, Human experimental psychology Human experimental psychology, 1988-11, Vol.40A (Nov 88), p.801-812
Hauptverfasser: Huq, S F, Garety, P A, Hemsley, D R
Format: Artikel
Sprache:eng
Schlagworte:
Delusional disorders
Factors
Probability assessment
Psychiatric disorders
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Beschreibung
Zusammenfassung:An experiment is described in which deluded subjects were compared with a non-deluded psychiatric control group and a normal control group on a probabilistic inference task. Deluded subjects were found to request less information before reaching a decision and to express higher certainty levels than either control group. They also exhibited over-confidence on estimates of the probability of a future event. (Original abstract)
ISSN:0272-4987