Expert judgement and re--elicitation for prion disease risk uncertainties
Tyshenko, Michael G and ElSaadany, Susie and Oraby, Tamer and Darshan, Shalu and Catford, Angela and Aspinall, Willy and Cooke, Roger and Krewski, Daniel (2012) Expert judgement and re--elicitation for prion disease risk uncertainties. International Journal of Risk Assessment and Management, 16 (1-3). pp. 48-77. (https://doi.org/10.1504/IJRAM.2012.047552)
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Much uncertainty surrounds transmission of transmissible spongiform encephalopathies (TSEs) through blood and blood derived products. A first expert elicitation with 14 experts was conducted in March 2008, and a second re-elicitation involving 11 experts was held a year later in March 2009. Both expert groups were calibrated using a series of seed questions for which values are known, and then were asked to provide their individual judgements on a set of seven target questions for which values are not known or have not been determined through conventional research. Questions dealing with uncertainty of TSE prevalence, genotype effects, susceptibility, and infectivity were answered by the experts. Elicitation can be used to obtain quantitative values for parameters affecting prion uncertainty gaps. We show that the method is amenable to re-elicitation over time allowing refinement of expert opinion as new knowledge becomes available for improved risk assessments where data gaps continue to exist. Copyright © 2012 Inderscience Enterprises Ltd.
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Item type: Article ID code: 45246 Dates: DateEventJune 2012PublishedSubjects: Social Sciences > Industries. Land use. Labor > Risk Management Department: Strathclyde Business School > Management Science Depositing user: Pure Administrator Date deposited: 18 Oct 2013 09:34 Last modified: 08 Apr 2024 20:50 URI: https://strathprints.strath.ac.uk/id/eprint/45246