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Construct Validation of the Verb Naming Test for Aphasia.

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Title: Construct Validation of the Verb Naming Test for Aphasia.
Authors: Casilio, Marianne1 marianne.e.casilio@vanderbilt.edu, Fergadiotis, Gerasimos2, Sun-Joo Cho3, Steel, Stacey2, Fleegle, Mikala2, Walsh Dickey, Michael4, Hula, William5
Source: Journal of Speech, Language & Hearing Research. Apr2025, Vol. 68 Issue 4, p1932-1949. 18p.
Subject Terms: *Comparative grammar, *Research methodology evaluation, *Phonological awareness, *Verbal behavior testing, *Research methodology, *Research, *Cognition, *Articulation (Speech), Diagnosis of aphasia, Terms & phrases, Research funding, Research evaluation, Descriptive statistics, Psychometrics, Analysis of variance, Neuropsychological tests, Semantics
Abstract: Purpose: Although there is widespread agreement pertaining to the cognitive processes underlying spoken word production, more generally in aphasia, multiple competing accounts exist regarding the processes involved for verb production, specifically. Some have speculated that suboptimal control of certain item properties (e.g., imageability) may be partially responsible for conflicting reports in the literature, yet there remains a dearth of research on the psychometric validation of verb production tests for aphasia. The purpose of the present study was to investigate the cognitive constructs underlying the Verb Naming Test (VNT), a relatively commonly used verb production test, by expanding upon an item response theory (IRT) modeling framework we previously described. Method: Using an archival data set of 107 individuals with aphasia, we specified a series of IRT models to investigate whether item covariates (argument structure, imageability), person covariates (aphasia subtype, severity), and their interactions were predictive of VNT item response patterns. Results: Across all models, covariates that were most strongly associated with lexical-semantic processing (imageability, aphasia severity) were significant predictors. In contrast, covariates that were most strongly associated with morphosyntactic processing (argument structure, aphasia subtype) were minimally predictive. Conclusions: VNT item response patterns appear to be primarily explained by covariates representing lexical-semantic processing. In particular, we identified an important role of imageability, a covariate not controlled for in the VNT's item design, which both aligns with a body of prior research and further illustrates the challenge of differentiating morphosyntactic processing from lexical and semantic processes during word production. Supplemental Material: https://doi.org/10.23641/asha.28664669 [ABSTRACT FROM AUTHOR]
Copyright of Journal of Speech, Language & Hearing Research is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Education Research Complete
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  Data: Construct Validation of the Verb Naming Test for Aphasia.
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  Data: <searchLink fieldCode="AR" term="%22Casilio%2C+Marianne%22">Casilio, Marianne</searchLink><relatesTo>1</relatesTo><i> marianne.e.casilio@vanderbilt.edu</i><br /><searchLink fieldCode="AR" term="%22Fergadiotis%2C+Gerasimos%22">Fergadiotis, Gerasimos</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Sun-Joo+Cho%22">Sun-Joo Cho</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Steel%2C+Stacey%22">Steel, Stacey</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Fleegle%2C+Mikala%22">Fleegle, Mikala</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Walsh+Dickey%2C+Michael%22">Walsh Dickey, Michael</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Hula%2C+William%22">Hula, William</searchLink><relatesTo>5</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Speech%2C+Language+%26+Hearing+Research%22">Journal of Speech, Language & Hearing Research</searchLink>. Apr2025, Vol. 68 Issue 4, p1932-1949. 18p.
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  Data: *<searchLink fieldCode="DE" term="%22Comparative+grammar%22">Comparative grammar</searchLink><br />*<searchLink fieldCode="DE" term="%22Research+methodology+evaluation%22">Research methodology evaluation</searchLink><br />*<searchLink fieldCode="DE" term="%22Phonological+awareness%22">Phonological awareness</searchLink><br />*<searchLink fieldCode="DE" term="%22Verbal+behavior+testing%22">Verbal behavior testing</searchLink><br />*<searchLink fieldCode="DE" term="%22Research+methodology%22">Research methodology</searchLink><br />*<searchLink fieldCode="DE" term="%22Research%22">Research</searchLink><br />*<searchLink fieldCode="DE" term="%22Cognition%22">Cognition</searchLink><br />*<searchLink fieldCode="DE" term="%22Articulation+%28Speech%29%22">Articulation (Speech)</searchLink><br /><searchLink fieldCode="DE" term="%22Diagnosis+of+aphasia%22">Diagnosis of aphasia</searchLink><br /><searchLink fieldCode="DE" term="%22Terms+%26+phrases%22">Terms & phrases</searchLink><br /><searchLink fieldCode="DE" term="%22Research+funding%22">Research funding</searchLink><br /><searchLink fieldCode="DE" term="%22Research+evaluation%22">Research evaluation</searchLink><br /><searchLink fieldCode="DE" term="%22Descriptive+statistics%22">Descriptive statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Psychometrics%22">Psychometrics</searchLink><br /><searchLink fieldCode="DE" term="%22Analysis+of+variance%22">Analysis of variance</searchLink><br /><searchLink fieldCode="DE" term="%22Neuropsychological+tests%22">Neuropsychological tests</searchLink><br /><searchLink fieldCode="DE" term="%22Semantics%22">Semantics</searchLink>
– Name: Abstract
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  Data: Purpose: Although there is widespread agreement pertaining to the cognitive processes underlying spoken word production, more generally in aphasia, multiple competing accounts exist regarding the processes involved for verb production, specifically. Some have speculated that suboptimal control of certain item properties (e.g., imageability) may be partially responsible for conflicting reports in the literature, yet there remains a dearth of research on the psychometric validation of verb production tests for aphasia. The purpose of the present study was to investigate the cognitive constructs underlying the Verb Naming Test (VNT), a relatively commonly used verb production test, by expanding upon an item response theory (IRT) modeling framework we previously described. Method: Using an archival data set of 107 individuals with aphasia, we specified a series of IRT models to investigate whether item covariates (argument structure, imageability), person covariates (aphasia subtype, severity), and their interactions were predictive of VNT item response patterns. Results: Across all models, covariates that were most strongly associated with lexical-semantic processing (imageability, aphasia severity) were significant predictors. In contrast, covariates that were most strongly associated with morphosyntactic processing (argument structure, aphasia subtype) were minimally predictive. Conclusions: VNT item response patterns appear to be primarily explained by covariates representing lexical-semantic processing. In particular, we identified an important role of imageability, a covariate not controlled for in the VNT's item design, which both aligns with a body of prior research and further illustrates the challenge of differentiating morphosyntactic processing from lexical and semantic processes during word production. Supplemental Material: https://doi.org/10.23641/asha.28664669 [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Speech, Language & Hearing Research is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=ehh&AN=184380022
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        Value: 10.1044/2024_JSLHR-24-00236
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      – Code: eng
        Text: English
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        PageCount: 18
        StartPage: 1932
    Subjects:
      – SubjectFull: Comparative grammar
        Type: general
      – SubjectFull: Research methodology evaluation
        Type: general
      – SubjectFull: Phonological awareness
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      – SubjectFull: Verbal behavior testing
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      – SubjectFull: Diagnosis of aphasia
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      – SubjectFull: Semantics
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      – TitleFull: Construct Validation of the Verb Naming Test for Aphasia.
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              Text: Apr2025
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