The systematic error of Herring-Binet in rating gifted children

80 children, C. A.'s 7 to 12, Stanford-Binet IQ's 133-190 with a mean at 150.4, were re-tested with the Herring-Binet. The latter yielded a constant difference of 17.2 IQ points less than the Stanford-Binet. Invalidity rests with the Herring-Binet, since when the criterion of subsequent sc...

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Bibliographic Details
Published in:Journal of educational psychology 1930-01, Vol.21 (1), p.1-11
Main Authors: Carroll, H. A, Hollingworth, L. S
Format: Article
Language:English
Subjects:
Errors
Gifted
Human
Intelligence Measures
Psychometrics
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Summary:80 children, C. A.'s 7 to 12, Stanford-Binet IQ's 133-190 with a mean at 150.4, were re-tested with the Herring-Binet. The latter yielded a constant difference of 17.2 IQ points less than the Stanford-Binet. Invalidity rests with the Herring-Binet, since when the criterion of subsequent scholastic success, measured by the Stanford Achievement Test, Form B, is applied to 40 cases under careful experimental conditions, the Herring-Binet averages a minus error of prediction amounting to about 18 points of discrepancy between IQ and EQ. The Herring and Stanford revisions are about equally reliable, but the average deviation from the criterion, regardless of direction, is greater for the Herring. These conclusions are limited to gifted subjects. It is inferred that instruments for mental measurement based on statistical assumptions only should be under suspicion until validated by trial with populations.
ISSN:0022-0663
1939-2176
DOI:10.1037/h0074069