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Direct linkFergadiotis, Gerasimos; Kellough, Stacey; Hula, William D. – Journal of Speech, Language, and Hearing Research, 2015
Purpose: In this study, we investigated the fit of the Philadelphia Naming Test (PNT; Roach, Schwartz, Martin, Grewal, & Brecher, 1996) to an item-response-theory measurement model, estimated the precision of the resulting scores and item parameters, and provided a theoretical rationale for the interpretation of PNT overall scores by relating…
Descriptors: Item Response Theory, Scores, Difficulty Level, Test Items
