Comparison of NART and Barona demographic equation premorbid IQ estimates in Alzheimer's disease

• Published in: Journal of clinical psychology Vol. 53; no. 7; pp. 713 - 722
• Main Authors: Paolo, Anthony M., Tröster, Alexander I., Ryan, Joseph J., Koller, William C.
• Format: Journal Article
• Language: English
• Published: Brandon Wiley Subscription Services, Inc., A Wiley Company 01.11.1997; Wiley Periodicals Inc
• Subjects: Aged; Aged, 80 and over; Alzheimer Disease - psychology; Alzheimer's disease; Demography; Female; Humans; Intelligence; Intelligence tests; Male; Mathematical Computing; Neuropsychological Tests - standards; Psychology; Sensitivity and Specificity

Two methods of estimating premorbid WAIS‐R intelligence were compared in matched samples of normal and AD persons. The NART and Barona 1984 demographic equations accurately predicted the IQs of the normal group and overestimated the IQs of the AD subjects. When the AD group was divided into mild and...