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2006-43

A Comparison of Efficient Designs for Choices Between Two Options

by Großmann, H., Holling, H., Graßhoff, U., Schwabe, R..


Series: 2006-43, Preprints

MSC:
62K05 Optimal designs
62J15 Paired and multiple comparisons

Abstract:
Optimal designs for choice experiments with choice sets of size two are frequently derived under the assumption that all model parameters in a multinomial logit model are equal to zero. In this case, optimal designs for linear paired comparisons are also optimal for the choice model. The comparison of the two design approaches shows that the latter designs often require a considerably smaller number of choice sets when the parameters of primary interest are main effects.

Keywords:
choice experiments, optimal design, paired comparisons