WAIS-IV GAI and CPI discrepancies in multiple sclerosis and traumatic brain injury. Appl Neuropsychol Adult 2018;25(1):51-56
Date
10/26/2016Pubmed ID
27779426DOI
10.1080/23279095.2016.1241786Scopus ID
2-s2.0-84992398825 (requires institutional sign-in at Scopus site) 5 CitationsAbstract
We examined relationships between the Wechsler Adult Intelligence Scale-Fourth Edition (WAIS-IV) General Ability Index (GAI) and Cognitive Proficiency Index (CPI) in two clinical samples. The mean pattern produced by 42 individuals with multiple sclerosis (MS) and 47 with traumatic brain injury (TBI) was the same, GAI > CPI. This pattern occurred in 61.9% and 78.7% of the protocols of patients with MS or TBI, respectively. The MS sample earned a significantly larger CPI mean than did patients with TBI. The group means did not differ on the GAI. Patients with TBI had significantly larger GAI-CPI discrepancy score means than those with MS. Receiver operating characteristics (ROC) analysis assessed the ability of GAI-CPI discrepancies to differentiate the samples. The area under curve (AUC) was 0.67, 95% [0.55, 0.78], which indicated low accuracy in terms of group classification.
Author List
J Ryan J, Kreiner DS, Glass Umfleet L, Gontkovsky ST, Myers-Fabian AAuthor
Laura Umfleet PsyD Associate Professor in the Neurology department at Medical College of WisconsinMESH terms used to index this publication - Major topics in bold
AdolescentAdult
Brain Injuries, Traumatic
Female
Humans
Intelligence
Male
Middle Aged
Multiple Sclerosis
Neuropsychological Tests
Psychometrics
Reproducibility of Results
Wechsler Scales
Young Adult