Malcolm Farrow

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Sample size determination with imprecise risk aversion

Abstract

We consider multi-attribute utility functions, particularly applied to the choice of a design and sample sizes for an experiment. We extend earlier work, which allowed imprecision in the trade-offs between attributes, to allow imprecision also in the shape of marginal utility functions. The method is illustrated with a simple example involving a two-group binomial experiment.

Keywords

design of experiments, imprecise utility, risk aversion, sample size

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E-mail addresses

Malcolm Farrow

malcolm.farrow@ncl.ac.uk