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The generalized Logit-Linear Item Response Model for Binary-Designed Items
Published online by Cambridge University Press: 01 January 2025
Abstract
This paper introduces the generalized logit-linear item response model (GLLIRM), which represents the item-solving process as a series of dichotomous operations or steps. The GLLIRM assumes that the probability function of the item response is a logistic function of a linear composite of basic parameters which describe the operations, and the coefficients depend on three design matrices X, Y and Z. The GLLIRM provides a tool for testing hypotheses on the item-solving process and generalizes existing models. An empirical application is included, in which the model is applied to evaluate sources of difficulty and pairwise item interactions in a logical analysis test.
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- Theory and Methods
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- Copyright © 2007 The Psychometric Society
Footnotes
This research was supported by the Comunidad de Madrid grant CCG06-UAM/ESP-0043.
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