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Coherence, Calibration, and Expertise in Judgmental Probability Forecasting

This study investigates the relationship between judgmental probability forecasting performance, self-rated expertise, and degree of coherence with the probability laws. Self-rated expertise was found to be a good predictor of subsequent performance whereas measures of individual coherence were less...

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Published in:Organizational behavior and human decision processes 1994-01, Vol.57 (1), p.1-25
Main Authors: Wright, George, Rowe, Gene, Bolger, Fergus, Gammack, John
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Language:English
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Rowe, Gene
Bolger, Fergus
Gammack, John
description This study investigates the relationship between judgmental probability forecasting performance, self-rated expertise, and degree of coherence with the probability laws. Self-rated expertise was found to be a good predictor of subsequent performance whereas measures of individual coherence were less predictive. However, recompositions of individual subjects′ marginal and conditional assessments into intersections, disjunctions, and unions proved a useful mechanical procedure since those recomposed assessments showed improved performance relative to their holistically assessed counterparts. Evidence of consistent individual differences in forecasting ability was found across item sets. These findings are discussed in relation to the elicitation of subjective probability judgments for input into decision analysis.
doi_str_mv 10.1006/obhd.1994.1001
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ispartof Organizational behavior and human decision processes, 1994-01, Vol.57 (1), p.1-25
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source Applied Social Sciences Index & Abstracts (ASSIA); International Bibliography of the Social Sciences (IBSS); ScienceDirect Journals
subjects Biological and medical sciences
Cognition. Intelligence
Decision making
Decision making. Choice
Forecasting techniques
Fundamental and applied biological sciences. Psychology
Probability
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Statistical analysis
Studies
title Coherence, Calibration, and Expertise in Judgmental Probability Forecasting
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