The current prospective cohort study investigated whether early perceptual abilities, measured at preschool age, could predict later intellectual abilities at school age in a group of 41 autistic (9 girls, 32 boys) and 57 neurotypical children (29 girls, 28 boys). More than 80% of the autistic children were considered minimally verbal.…

More than a century ago, Galton and Spearman suggested that there was a functional relationship between sensory discrimination ability and intelligence. Studies have since been able to confirm a close relationship between general discrimination ability (GDA) and IQ. The aim of the present study was to assess whether this strong relationship…

Part I of a 3-part report. See also AA 501 769 through AA 501 772.

Confirms a trend in an earlier study for high-contact Aboriginals to perform on classification tests at about the same level as white children in a similar environment, despite the markedly lower verbal intelligence quotient scores of Aboriginal children. (RJ)

This document is the first year's report of a continuing study of the effects of two Head Start preschool experimental programs. Subjects were children from poverty areas in Grand Rapids, Michigan. Seven teachers who were most opposed to a Bereiter-Engelmann type highly academic structured program were assigned to Group I; and seven teachers least…

For the past 100 years we have been acting as if education in school was of words, by words, and for words, but in fact verbal literacy was preceded by visual literacy when humans communicated with body language before they had speech. American educators have been concentrating efforts on the left hemisphere of the brain in which the verbal…

Performance of 162 children, ages five to seven, on concept formation and perception tests indicated that enforced delay in responding minimally affected all reflective subjects and impulsive boys; impulsive girls improved. (Available in microfiche from: Carfax Publishing Company, Haddon House, Dorchester-on-Thames, Oxford 0X9 8JZ, England.) (CP)