The Impact of Testing Errors on Value of Information: A Quality-Control Example

Anil Gaba and Robert L Winkler

Journal of Risk and Uncertainty, 1995, vol. 10, issue 1, 5-13

Abstract: In this article, we extend recent work on the inferential impact of errors in data to a decision-making setting. In the context of a simple quality-control example, we illustrate how errors can cause substantial reductions in the value of information from a sample and how uncertainty about error rates can lead to yet further reductions in EVSI. Moreover, we extend the notion of an equivalent error-free sample size (which indicates the reduction in effective sample size due to errors) from an inferential framework to a decision-making framework and find that as uncertainty about error-rate parameters increases, reductions in effective sample size are even greater for a decisionmaker than the inferential measures suggest. Copyright 1995 by Kluwer Academic Publishers

Date: 1995
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