Ten-Year Stability of Verbal and Nonverbal IQ Scores.

Hopkins, Kenneth D.; Bracht, Glenn H.

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Peer reviewed

ERIC Number: EJ131777

Record Type: CIJE

Publication Date: 1975

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Ten-Year Stability of Verbal and Nonverbal IQ Scores

Hopkins, Kenneth D.; Bracht, Glenn H.

American Educational Research Journal, 12, 4, 469-77, F 75

The results of this study show that, below ten years of age, stability in IQ scores from group verbal tests is considerably below that for Stanford-Binet. Non-verbal IQ scores were found to have substantially less stability than verbal IQs. (Author/DEP)

Descriptors: Age Differences, Comparative Analysis, Elementary Secondary Education, Group Testing, Intelligence Quotient, Intelligence Tests, Longitudinal Studies, Nonverbal Tests, Sex Differences, Test Reliability, Verbal Tests

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