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A Maximin Model for Test Design with Practical Constraints

Published online by Cambridge University Press:  01 January 2025

Wim J. van ver Linden*
Affiliation:
University of Twente
Ellen Boekkooi-Timminga
Affiliation:
University of Twente
*
Requests for reprints should be sent to W. J. van der Linden, University of Twente, Department of Education, PO Box 217, 7500 AE Enschede, THE NETHERLANDS.

Abstract

A maximin model for IRT-based test design is proposed. In the model only the relative shape of the target test information function is specified. It serves as a constraint subject to which a linear programming algorithm maximizes the information in the test. In the practice of test construction, several demands as linear constraints in the model. A worked example of a text construction problem with practical constraints is presented. The paper concludes with a discussion of some alternative models of test construction.

Information

Type
Original Paper
Copyright
Copyright © 1989 The Psychometric Society

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