Abstract
The ability of the Luria-Nebraska Neuropsychological Battery-Children's Revision (LNNB-CR) to discriminate learning disabled (N = 27) and slow-learner (N = 14) students and to discriminate these groups when variance associated with IQ was controlled was examined. Also, the regression formula for diagnosis of brain damage, calculated from standardization data, was employed to determine the percentage of each group classified as brain damaged. Results indicated that the LNNB-CR discriminated between groups with 93% correct classification; three subscales contributed significantly to the discrimination: Intelligence, Motor, and Tactile. Univariate analyses of variance indicated significant differences between groups on the subscales of Motor, Writing, Arithmetic, and Intelligence. No significant differences were evidenced between groups with FSIQ covaried. Using the regression formula established with the standardization data, 100% of the slow-learner group and 78% of the learning-disabled group were labeled as brain damaged. The results suggest that the LNNB-CR does not provide additional information beyond that obtained through traditional psychoeducational assessment. The LNNB-CR is likely to overclassify mildly handicapped children as brain damaged.
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