Experts in Uncertainty: Opinion and Subjective Probability in Science
Oxford University Press, 24. 10. 1991 - Počet stran: 336
This book is an extensive survey and critical examination of the literature on the use of expert opinion in scientific inquiry and policy making. The elicitation, representation, and use of expert opinion is increasingly important for two reasons: advancing technology leads to more and more complex decision problems, and technologists are turning in greater numbers to "expert systems" and other similar artifacts of artificial intelligence. Cooke here considers how expert opinion is being used today, how an expert's uncertainty is or should be represented, how people do or should reason with uncertainty, how the quality and usefulness of expert opinion can be assessed, and how the views of several experts might be combined. He argues for the importance of developing practical models with a transparent mathematic foundation for the use of expert opinion in science, and presents three tested models, termed "classical," "Bayesian," and "psychological scaling." Detailed case studies illustrate how they can be applied to a diversity of real problems in engineering and planning.
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applications assume assumptions asymptotic average probabilities base rate base rate fallacy Bayesian model calibration score certainty factors Chapter classical model conditional probability consider correlation cumulative decision maker decision problem defined Delphi Delphi method denote density determined discussed elicitation ESTEC-2 estimate evaluating example expert assessments expert opinion expert systems failure finite forecasting fuzzy sets given Hence human reliability hypothesis independent indicator function intrinsic range Item Kahn large number Lemma loss function mathematical mean measure MYCIN normal notation optimization outcomes paired comparison parameters performance possible preference probabilistic probability assessments probability vector problem proof proper scoring rules Proposition quantile tests quantiles random variable rank rational Reactor Safety Study relative frequencies risk analysis sample distribution Savage's seed variables sequence significance level strictly proper subjective probability Suppose Table theorem theory true value uncertain quantities unnormalized updated vector weights
Strana 7 - Despite a widespread belief to the contrary, objective studies indicate that even though the amount of human tragedy would be greatly increased in the postwar world, the increase would not preclude normal and happy lives for the majority of survivors and their descendants.