Semin Speech Lang 2021; 42(03): 180-191
DOI: 10.1055/s-0041-1727252
Review Article

Computer Adaptive Testing for the Assessment of Anomia Severity

Authors

  • Gerasimos Fergadiotis

    1   Speech and Hearing Sciences, Portland State University, Portland, Oregon
  • Marianne Casilio

    2   Hearing and Speech Sciences, Vanderbilt University, Nashville, Tennessee
  • William D. Hula

    3   VA Pittsburgh Healthcare System, University of Pittsburgh, Pittsburgh, Pennsylvania
  • Alexander Swiderski

    4   Department of Communication Sciences and Disorders, University of Pittsburgh, Pittsburgh, Pennsylvania

Funding Statement The authors gratefully acknowledge the support of NIH/NIDCD awards R03DC014556 (PI: G.F.) and R01DC018813 (PIs: W.D.H. and G.F.).
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Abstract

Anomia assessment is a fundamental component of clinical practice and research inquiries involving individuals with aphasia, and confrontation naming tasks are among the most commonly used tools for quantifying anomia severity. While currently available confrontation naming tests possess many ideal properties, they are ultimately limited by the overarching psychometric framework they were developed within. Here, we discuss the challenges inherent to confrontation naming tests and present a modern alternative to test development called item response theory (IRT). Key concepts of IRT approaches are reviewed in relation to their relevance to aphasiology, highlighting the ability of IRT to create flexible and efficient tests that yield precise measurements of anomia severity. Empirical evidence from our research group on the application of IRT methods to a commonly used confrontation naming test is discussed, along with future avenues for test development.



Publikationsverlauf

Artikel online veröffentlicht:
14. Juli 2021

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