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Flynn, James R. – Journal of Educational Measurement, 1984
Thorndike's Stanford-Binet data suggest that from 1932 to 1971-72 preschool children enjoyed greater IQ gains than older children, possibly due to the rise of television. Additional analysis indicated that gains were either due to sampling error or totally antedated 1947. Gains of 12 IQ points were found for Americans. (Author/EGS)
Descriptors: Achievement Gains, Age Differences, Intelligence Differences, Intelligence Quotient
Boyd, Thomas A.; Tramontana, Michael G. – 1984
To examine the validity of short forms of the Wechsler Intelligence Scale for Children-Revised (WISC-R), the WISC-R was first administered to 106 hospitalized psychiatric patients, aged 8-16. No subjects had a primary diagnosis of mental retardation or learning disability, and one-third were receiving psychotropic medication. WISC-R IQ scores…
Descriptors: Adolescents, Children, Correlation, Elementary Secondary Education