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Giftedness

Can it be Predicted in Infancy?

The Johns Hopkins University Medical Institutions and The Kennedy Institute for Handicapped Children

Frederick B. Palmer, MD

The Johns Hopkins University Medical Institutions and The Kennedy Institute for Handicapped Children

Sue E. Antell, PhD

The Johns Hopkins University Medical Institutions and The Kennedy Institute for Handicapped Children

Stacey Bilker, MA

The Johns Hopkins University Medical Institutions and The Kennedy Institute for Handicapped Children

Alan Ross, PhD

The Johns Hopkins University Medical Institutions and The Kennedy Institute for Handicapped Children

Arnold J. Capute, MD, MPH

The Johns Hopkins University Medical Institutions and The Kennedy Institute for Handicapped Children

A cohort of 200 children, who were followed from birth and periodically evaluated as part of a longitudinal study of child development, was used to determine the ability of the Bayley Scales of Infant Development (BSID) to predict children who would be considered intellectually gifted at 7.5 years. The cohort was predominantly white (91%), upper middle class (70% in Hollingshead class 1 or 2), and had preschool educational experiences (94% ).

At outcome, 36 children had WISC-R verbal, performance, or full scale IQs greater than 135 and were called gifted. On average, gifted children walked 0.7 months earlier and spoke two-word sentences 2.2 months earlier than the non-gifted group. As a group, gifted children showed statistically significant, but clinically small, advantages for age of walking, age of speaking two-word sentences, BSID, and Stanford Binet IQ.

Of the 36 children who later proved to be gifted, only two had BSID IQs > 134. Of the four children who had BSID IQs > 134, two maintained their superior function but 2 did not. A discriminant function analysis was used to predict giftedness for individual children based on BSID performance. The resulting classification achieved sensitivity = 0.69 and specificity = 0.39.

Although groups of infants who will be gifted have higher BSID scores, the BSID cannot be endorsed as a method of identifying individual infants who will later demonstrate superior cognitive function.

Clinical Pediatrics, Vol. 28, No. 5, 205-209 (1989)
DOI: 10.1177/000992288902800501


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