Angela Dean

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Tests for dispersion effects in replicated two-level factorial experiments assuming a location-dispersion model are presented. The tests use individual measures of dispersion which remove the location effects and also provide an estimate of pure error. Empirical critical values for two such tests are given for two-level full or regular fractional factorial(More)
Almost half the population of Australian adults reports use of an illicit substance at least once. Therefore it is likely that some of our patients may be using illicit drugs in combination with other medications. Illicit substance use may contribute to adverse effects, interfere with treatment efficacy, or even augment treatment effects. Additionally,(More)
Research in marketing, and business in general, involves understanding when effect-sizes are expected to be large and when they are expected to be small. Understanding the contexts in which consumers are sensitive to offers and variables such as price, is an important aspect of merchandising, selling and promotion. In this paper, we propose efficient(More)
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