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Verbal fluency: a NART-based equation for the estimation of premorbid performance
J R Crawford1, J W Moore, I M Cameron
1Department of Psychology, University of Aberdeen, King's College, UK.
The British Journal of Clinical Psychology
|September 1, 1992
Abstract:
A sample of 142 subjects free of neurological or psychiatric disorder were administered the National Adult Reading Test (NART) and a verbal fluency (VF) test. A highly significant correlation between the NART and VF was obtained indicating that premorbid ability should be taken into account when interpreting VF performance. A regression equation was built to estimate premorbid performance on VF from the NART. A highly significant difference between predicted and obtained VF was obtained in a sample of neurological patients (N = 38). For ease of use, a table converting NART errors to predicted VF scores is presented.