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Comparison of the Luria-Nebraska Neuropsychological Battery-Children's Revision and the WISC-R with learning disabled
S I Pfeiffer1, J A Naglieri, D H Tingstrom
1Department of Pediatrics, Ochsner Clinic, New Orleans, Louisiana.
Insights
This study examined the Luria-Nebraska Neuropsychological Battery--Children's Revision and WISC-R for learning disabled children. The Luria-Nebraska accurately identified 84% of learning disabled students, suggesting its utility in diagnosis.
Area of Science:
- Neuropsychology
- Educational Psychology
Background:
- Learning disabilities affect academic performance.
- Accurate diagnostic tools are crucial for intervention.
- The WISC-R and Luria-Nebraska are common assessments for children.
Purpose of the Study:
- To investigate the relationship between the Luria-Nebraska Neuropsychological Battery--Children's Revision (LNNB-CR) and the Wechsler Intelligence Scale for Children--Revised (WISC-R).
- To evaluate the diagnostic accuracy of the LNNB-CR for identifying learning disabled (LD) children.
Main Methods:
- The study included 32 children identified as learning disabled based on WISC-R/achievement discrepancy.
- Participants had low average intellectual ability.
- Intercorrelations between LNNB-CR and WISC-R scores were analyzed.
Main Results:
- Intercorrelations between the LNNB-CR and WISC-R were largely nonsignificant.
- Significant correlations were found between language and arithmetic measures on both tests.
- A criterion of three or more LNNB-CR subscale scores exceeding one standard deviation above the mean correctly identified 84% of the LD sample.
Conclusions:
- The LNNB-CR demonstrates potential as a diagnostic tool for learning disabilities.
- Specific subscales of the LNNB-CR may be particularly sensitive to learning impairments.
- Further research is warranted to validate these findings in larger, diverse populations.
Abstract:
This investigation concerned the relationship between the Luria-Nebraska Neuropsychological Battery--Children's Revision and the WISC--R for a sample of 32 children identified as learning disabled. The children's mean age was 9 yr., 11 mo.; they were identified as learning disabled on the basis of ability (WISC--R)/achievement discrepancy test scores. The sample was of low average intellectual ability according to the WISC--R and the Luria-Nebraska T-scores. Intercorrelations between scores on the WISC--R and Luria-Nebraska lists were generally nonsignificant, with the exception of language and arithmetic measures on each test. Also, 84% or 27 of the present sample of 32 were correctly identified as learning disabled using a criterion of three or more Luria-Nebraska subscale scores greater than one SD above the mean.