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A Model for Repeat Paired Comparison Preference Tests

Published online by Cambridge University Press:  01 January 2025

Bruce Buchanan*
Affiliation:
New York University
*
Requests for reprints should be sent to Bruce Buchanan, Department of Marketing, New York University, 532 Tisch Hall, Washington Square, New York, NY 10003.

Abstract

A model is proposed that describes subject behavior on repeat paired comparison preference tests. The model extends prior work in this area in that it explicitly allows for abstentions and permits the derivation of individual true scores for discrimination ability as well as conditional estimates of proportionate preference. With these results, the properties of a paired comparison test can be thoroughly explored. An empirical example is presented, and test design issues are considered. In particular, repeat paired comparison preference tests are shown to be inherently less efficient discrimination tests than are pick 1 of 2 tests.

Type
Original Paper
Copyright
Copyright © 1988 The Psychometric Society

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