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Sparks, Richard L.; Lovett, Benjamin J. – Learning Disability Quarterly, 2013
This study examined whether a large group of postsecondary students participating in a support program for students classified as having learning disabilities (LD) met criteria for five objective diagnostic models for LD: IQ-achievement discrepancy (1.0 SD, 1.5 SD, and greater than 2.0 SD) models, a "Diagnostic and Statistical Manual of…
Descriptors: Learning Disabilities, College Students, Clinical Diagnosis, Criteria
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Valdez, R. Stephen; Valdez, Cheryl – Learning Disability Quarterly, 1983
The predictive relationship between the WISC-R and the PIAT and WRAT scores of 125 Mexican-Americans and 125 non-minority students (K-8) was analyzed using four methods. Conventional methods were found to be insensitive to and inappropriate for the detection of predictive bias. An alternative means of detecting predictive bias is proposed.…
Descriptors: Achievement Tests, Elementary Education, Intelligence Tests, Mexican Americans