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Correlations of WISC-III, WRAT-R, KM-R, and PPVT-R Scores in Students with Specific Learning Disabilities.
Peer reviewed Peer reviewed
Slate, John R.; And Others – Learning Disabilities Research and Practice, 1994
This study, involving 64 students with specific learning disabilities, found positive correlations between the Wechsler Intelligence Scale for Children-III (WISC-III) and the Arithmetic subtest of the Wide Range Achievement Test-Revised (WRAT-R), the KeyMath-Revised, and the Peabody Picture Vocabulary Test-Revised, but not between the WISC-III and…
Descriptors: Achievement Tests, Correlation, Educational Diagnosis, Elementary Secondary Education
Severe Regressed Discrepancies Using Published versus Mean Test Data.
Peer reviewed Peer reviewed
Evans, Larry D. – Learning Disabilities Research and Practice, 1994
This comparison of regression discrepancy model results for learning disability identification used published IQ-achievement and reliability coefficients and generic, mean values. Use of mean IQ-achievement values resulted in higher discrepancy rates for a clinical sample. Use of both mean IQ-achievement and reliability values resulted in higher…
Descriptors: Academic Achievement, Academic Aptitude, Achievement Tests, Correlation