What is it about?
Expert judgement is used regularly in analysing and managing risks. There are many issues with using expert judgement all surmountable with care. I have discussed those elsewhere, Here I focus on one simple issue. Expert judgement is expensive. It costs a lot to consult and aggregate expert opinion. Thus there is a considerable incentive to reuse expert judgements gathered for one risk analysis in subsequent risk analyses. This paper discusses issues that arise if such reuse is to valid. In particular how do we report expert judgement studies so that they can be reused and, if there are several relevant studies, how do we draw out their combined import?
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This page is a summary of: Expert Judgment, Meta-analysis, and Participatory Risk Analysis, Decision Analysis, June 2012, INFORMS,
DOI: 10.1287/deca.1120.0234.
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