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Peer reviewedClampit, Michael K.; Silver, Stephen J. – Journal of Learning Disabilities, 1990
The Learning Disability Index (LDI) was validated by an examination for mean profiles and demographic characteristics of high and low LDI subsets of the standardization sample of the Wechsler Intelligence Scale for Children-Revised. The LDI continuum was found to measure Third Factor strengths/weaknesses as much as verbal-performance…
Descriptors: Concurrent Validity, Demography, Elementary Secondary Education, Handicap Identification
