Efficient Designs for Paired Comparisons with a Polynomial Factor
In psychological research paired comparisons, which demand judges to evaluate the trade-off between two alternatives, have been shown to yield valid estimates of the judges’ preferences. For this situation we present optimal and efficient designs in a response surface setting where the alternatives are modelled by a polynomial.
Keywordspaired comparisons optimal design equivalence theorem symmetrization polynomial regression additive model marginal design
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