Ann. occup. Hyg., Vol. 46, No. 4, pp. 429-431, 2002
© 2002 British Occupational Hygiene Society
Published by Oxford University Press
Letters to the Editor |
A Critique of Bayesian Methods for Retrospective Exposure Assessment
Institute for Risk Assessment Sciences, Utrecht University, Utrecht, The Netherlands
Received 8 January 2002;
| The first 10% of the full text of this article appears below. |
There have been many informal discussions among occupational exposure assessors about application of Bayesian methods for retrospective exposure assessment and that is why we were pleased to see the appearance in print of a thoughtful and methodical article by Ramachandran (2001), a follow-up to an earlier publication (Ramachandran and Vincent, 1999). In this letter we wish to address several issues raised in that paper (Ramachandran, 2001) that require, in our opinion, a more critical assessment than that provided by the author. We hope that in doing so, we will further stimulate the discussion surrounding this important issue. The author describes and illustrates a Bayesian approach to quantitative exposure assessment in which priors derived from expert judgements and physical models are updated by available exposure measurements. There
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