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Direct linkKanaya, Tomoe; Ceci, Stephen – Journal of Learning Disabilities, 2012
Because of the Flynn effect, IQ scores rise as a test norm ages but drop on the introduction of a newly revised test norm. The purpose of the current study was to determine the impact of the Flynn effect on learning disability (LD) diagnoses, the most prevalent special education diagnosis in the United States. Using a longitudinal sample of 875…
Descriptors: Intelligence, Learning Disabilities, Intelligence Tests, Intelligence Quotient
Download full textRoberts, Jean – 1971
This report presents national estimates of the intellectual development levels of noninstitutionalized children 6-11 years of age in the United States. These estimates were determined by scores on the Vocabulary and Block Design subtest of the WISC obtained in the Health Examination Survey of 1963-65. Findings are shown by age, sex, and grade in…
Descriptors: Age Differences, Comparative Analysis, Elementary School Students, Intellectual Development
Jacobs, John F.; DeGraaf, Carl A. – 1972
A research study is reported which investigated the influence of the variables of race (examiner and child race) and expectancy (high and low) upon the scoring of individual IQ tests. Video tapes of two children (one black, one white, 10 years old, in the 85 to 95 IQ range) being administered the Wischler Intelligence Scale for Children were shown…
Descriptors: Attitudes, Bias, Blacks, Cultural Influences
Kress, Roy A.; Johnson, Majorie S. – 1967
The first section of this report describes certain educational characteristics of the children in grades 1 to 3 who participated in the Educational Improvement Program (EIP). Specifically discussed are the children's intelligence and reading achievement and the program's educational setting, instructional materials, and staff. Data are given to…
Descriptors: Academic Achievement, Arithmetic, Classroom Environment, Disadvantaged Youth
