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Norm Block Sample Sizes: A Review of 17 Individually Administered Intelligence Tests
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Norfolk, Philip A.; Farmer, Ryan L.; Floyd, Randy G.; Woods, Isaac L.; Hawkins, Haley K.; Irby, Sarah M. – Journal of Psychoeducational Assessment, 2015
The representativeness, recency, and size of norm samples strongly influence the accuracy of inferences drawn from their scores. Inadequate norm samples may lead to inflated or deflated scores for individuals and poorer prediction of developmental and academic outcomes. The purpose of this study was to apply Kranzler and Floyd's method for…
Descriptors: Intelligence Tests, Psychometrics, Sample Size, Norm Referenced Tests
Critical Issues in Specific Learning Disability Identification: What We Need to Know about the PSW Model
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McGill, Ryan J.; Styck, Kara M.; Palomares, Ronald S.; Hass, Michael R. – Learning Disability Quarterly, 2016
As a result of the upcoming Federal reauthorization of the Individuals With Disabilities Education Improvement Act (IDEA), practitioners and researchers have begun vigorously debating what constitutes evidence-based assessment for the identification of specific learning disability (SLD). This debate has resulted in strong support for a method that…
Descriptors: Learning Disabilities, Disability Identification, Disabilities, Federal Legislation
The Question of the Comparability of the WISC and WISC-R: Review of the Research and Implications for School Psychologists
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Swerdlik, Mark E. – Psychology in the Schools, 1977
The paper reviews WISC/WISC-R comparison studies which have been conducted with a wide variety of samples. Caution is advised in the interpretation of a WISC/WISC-R difference, as a discrepancy of one SD may not be meaningful. (Author)
Descriptors: Comparative Analysis, Intelligence Tests, Literature Reviews, Psychological Testing
A Screening Method for Early Identification of Learning Disabilities.
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Coury, Janine P.; Nessa, Donald B. – 1973
This study was conducted in order to develop and evaluate a systematic screening method which could be used by counselors and school psychologists in the identification of first graders showing characteristics generally associated with learning disabilities. The study was conducted within three Title I schools in a large sourthern metropolitan…
Descriptors: Ability Identification, Auditory Perception, Auditory Tests, Cultural Differences
Use of the WISC-R with Disadvantaged Gifted Children: Current Practice, Limitations, and Ethical Concerns.
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Johnson, Nancy E. – 1994
This pair of studies investigated the psychometric adequacy of the Wechsler Intelligence Scale for Children - Revised (WISC-R) with a population of 8,396 potentially gifted elementary children of diverse ethnic and cultural backgrounds as well as diverse emotional and social environments. Study I showed subjects' profiles differed strikingly from…
Descriptors: Aptitude Tests, Comparative Analysis, Cultural Differences, Culture Fair Tests