Objective: Compare the Visual Naming (Vis_Nam) subtest of the Multilingual Aphasia Exam (MAE) and the Wechsler Adult Intelligence Scale-III (WAIS-III) to identify mediation processes of patient demographics of age and education on verbal and non-verbal comprehension. Method: Archival data of 126 Veterans from the Palo Alto Veterans’ Affairs Hospital were analyzed using exploratory factor analyses. A two-factor solution of Vis_Nam was analyzed with the WAIS-III factors. The model showed that performance on early items of Vis_Nam loaded with the Verbal Comprehension factor (VC) while late items loaded with the Processing Speed factor (PS). The two factors of Vis_Nam were reanalyzed with patient age and education and the model showed that the early items loaded with education, while later items loaded with age. The new factors of Vis_Nam_education and Vis_Nam_age were reanalyzed with the WAIS-III factors. Results: The overall solution explained 87.01% of the shared variance between the WAIS-III factors and...

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