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The Dependent Poisson Race Model and Modeling Dependence in Conjoint Choice Experiments

Published online by Cambridge University Press:  01 January 2025

Shiling Ruan
Affiliation:
The Ohio State University
Steven N. MacEachern*
Affiliation:
The Ohio State University
Thomas Otter
Affiliation:
The Ohio State University
Angela M. Dean
Affiliation:
The Ohio State University
*
Requests for reprints should be sent to Steven N. MacEachern, Department of Statistics, The Ohio State University, Cockins Hall, Room 404, Columbus, OH 43210-1247, USA. E-mail: snm@stat.ohio-state.edu

Abstract

Conjoint choice experiments are used widely in marketing to study consumer preferences amongst alternative products. We develop a class of choice models, belonging to the class of Poisson race models, that describe a ‘random utility’ which lends itself to a process-based description of choice. The models incorporate a dependence structure which captures the relationship between the attributes of the choice alternatives and which appropriately moderates the randomness inherent in the race. The new models are applied to conjoint choice data and are shown to have performance markedly superior to that of independent Poisson race models and of the multinomial logit model.

Information

Type
Theory and Methods
Copyright
Copyright © 2007 The Psychometric Society

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Supplementary material: File

Ruan et al. supplementary material

The online version of this article (10.1007/s11336-007-9035-y) contains supplementary material, which is available to authorized users.
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