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| Algozzine, Bob | 1 |
| Simpson, Robert G. | 1 |
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| Reports - Research | 2 |
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The Relationship between Intelligence and Achievement: A Reconsideration Based on Restricted Groups.
Peer reviewedAlgozzine, Bob; And Others – Journal for Special Educators, 1980
The percentage of variance in achievement accounted for by IQ greatly decreased as the subgroups became more removed from the mean IQ for the sample. Results suggest that definition and placement decisions based on IQ be reconsidered for populations whose mean IQ is substantially above or below the average IQ. (DB)
Descriptors: Academic Achievement, Correlation, Elementary Secondary Education, Gifted
Peer reviewedSimpson, Robert G. – Educational and Psychological Measurement, 1982
The usefulness of the Peabody Individual Achievement Test General Information subtest as a general screening instrument with non-retarded subjects is shown in a study of concurrent validity between the subtest and the Wechsler Intelligence Scale for Children-Revised. Correlations between the instruments in two intelligence groups are discussed.…
Descriptors: Achievement Tests, Adolescents, Correlation, Educational Diagnosis
