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Achievement and intelligence in primary and elementary classes for the educable mentally retarded

Authors
Journal
Journal of School Psychology
0022-4405
Publisher
Elsevier
Publication Date
Volume
9
Issue
2
Identifiers
DOI: 10.1016/0022-4405(71)90008-2
Disciplines
  • Mathematics

Abstract

Abstract The Wide Range Achievement Test (WRAT) scores of 192 children in primary and elementary classes for the educable mentally retarded were correlated with their Binet or Wechsler Intelligence Scale for Children (WISC) IQ scores. It was found that the WISC was a better differential predictor of achievement in reading, spelling and arithmetic at the elementary level only. The use of an Educational Quotient (EQ), computed by dividing WRAT standard scores by IQ scores and multiplying by 100, is also discussed, and further studies with the WRAT and the EQ derived from it are suggested. The reliability of the WRAT (split-half) was excellent with this sample.

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