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Stephen N. Macciocchi, Patrick C. Fowler, John D. Ranseen, Trait analyses of the Luria-Nebraska intellectual processes, motor functions, and memory scales, Archives of Clinical Neuropsychology, Volume 7, Issue 6, 1992, Pages 541–551, https://doi.org/10.1093/arclin/7.6.541
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Abstract
Trait analyses of the Luria-Nebraska's Intellectual Processes, Motor Functions, and Memory Scales were performed using multitrait-multimethod procedures and confirmatory factor analysis. Three measures each of intellectual, motor, and memory functions were administered to 161 neuropsychiatric patients. Intellectual scales (viz., Luria-Nebraska and WAIS-R) were found to have convincing discriminant properties, but motor and memory measures demonstrated visibly less such robustness. Confirmatory factor analyses supported a three-factor model of the 9×9 matrix, in which each of the three Luria-Nebraska scales serves as a marker for the factors. Issues related to the neuropsychological constructs, test construction, and construct validity of measurement procedures employed in clinical neuropsychology are discussed.