Item Response Theory Modeling of the Verb Naming Test.
Journal of Speech, Language, and Hearing Research : JSLHR
Item response theory (IRT) is a modern psychometric framework with several advantageous properties as compared with classical test theory. IRT has been successfully used to model performance on anomia tests in individuals with aphasia; however, all efforts to date have focused on noun production accuracy. The purpose of this study is to evaluate whether the Verb Naming Test (VNT), a prominent test of action naming, can be successfully modeled under IRT and evaluate its reliability.
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Fergadiotis, G., Casilio, M., Dickey, M. W., Steel, S., Nicholson, H., Fleegle, M., Swiderski, A., & Hula, W. D. (2023). Item Response Theory Modeling of the Verb Naming Test. Journal of Speech, Language, and Hearing Research, 1–22. https://doi.org/10.1044/2023_jslhr-22-00458