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Fishler, Karol; Koch, Richard – American Journal on Mental Retardation, 1991
Comparison of the mental status of 30 subjects with Down's Syndrome mosaicism and 30 matched subjects with trisomy 21 Down's Syndrome found that the mean intelligent quotient of the mosaic Down's Syndrome group was significantly higher and that this group showed better verbal abilities and more normal visual-perceptual skills. (Author/DB)
Descriptors: Child Development, Downs Syndrome, Genetics, Intelligence
Elkind, David – Harvard Educ Rev, 1969
Descriptors: Child Development, Cognitive Development, Environmental Influences, Genetics
Congress of the U.S., Washington, DC. House Committee on Education and Labor. – 1970
In these hearings, the following witnesses presented testimony: Dr. Henry E. Garrett, Chairman, Psychology Department (Emeritus), Columbia University; Dr. Arthur R. Jensen, Professor of Educational Psychology, University of California at Berkeley; Dr. Frank C. J. McGurk, Professor of Psychology, University of Montevallo; Dr. R. Travis Osborne,…
Descriptors: Academic Ability, Academic Achievement, Academic Aptitude, Black Students