The constancy of the IQ's of gifted children.

Abstract

From studies by Carroll and Hollingworth 2 and Lamson 4 the writer made a number of calculations concerning the constancy of the intelligence quotient.Carroll and Hollingworth 2 reported the IQ's of fifty-two gifted children who were seven to nine years of age at the first testing and who had two IQ ratings from the Stanford-Binet and two from the Herring-Binet. The interval between the first and second testing was one year. The results are shown in Tables I and II.Lamson 4 had fifty-three cases with two Stanford-Binet IQ ratings, forty-three of them having three. The interval between tests was one

Issues in early prediction and identification of intellectual giftedness.

“…Burks, Jensen, and Terman (1930) and McNemar (1947) attempted to address this issue by retesting some of the "Termites" (as the study participants came to be labeled) in the course of the investigation, albeit not with a systematic methodology. Other studies conducted in the first half of the 20th century, particularly around the 1930s, also grappled with the issue of stability of intellectual giftedness (e.g., Cattell, 1933;Hollingworth & Kaunitz, 1934;Lincoln, 1935;Nemzek, 1932). The studies by these pioneers are historical and dated and were limited or compromised in terms of methodological design and instrumentation.…”

"Constancy" of the IQ.

“…Nemzek (73,74) analyzed data previously reported by Carrol! and Hollingworth and by Lamson, and found correlations between Stanford-Binet test and retest with an interval of one or two years, of .53 to .72.…”

The child's intelligence.

“…The critical point, then, seems to be how constant is the I.Q. Numerous studies may be consulted on this point (13,51,54,72,77). As regards I.Q., the average deviation from one examination to a subsequent examination is reported by these various studies to be about five points in either direction.…”