Ordinal Item Response Theory Models for the Evaluation of Heterogeneity in Attitudes.
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Mauerer, Ingrid Doris
Tutz, Gerhard
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University of Limerick, Department of Mathematics & Statistics
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The contribution provides ordinal item response models to investigate heterogeneity in attitudes. In contrast to standard models, the approach accounts for covariate effects in studying two essential components of attitudes: direction and strength. An application to the evaluation of presidential candidate traits exemplifies the types of substantive insights that can be gained.
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Mauerer, I. & Tutz, G. (2025). "Ordinal Item Response Theory Models for the Evaluation of Heterogeneity in Attitudes". In Proceedings of the 39th International Workshop on Statistical Modelling, Limerick, Ireland, edited by O’Sullivan, D., Sweeney, J., Moghaddam, S. & Burke, K., pp. 399–402. ISBN 978-1-0369-2711-0