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Ong, Jin; Jones, Lowell, Jr. – Perceptual and Motor Skills, 1982
Rank-difference correlations between Memory-for-Designs test, Wechsler Intelligence Scale for Children (WISC), and Wide Range Achievement Test scores for two classes of educable mentally retarded children showed high negative correlations between Memory-for-Designs and WISC Full Scale IQs. Visual memory accounted for 84 percent of variance in…
Descriptors: Academic Achievement, Achievement Tests, Correlation, Elementary Education
Jensen, Arthur R.; Figueroa, Richard A. – 1975
The study sought to use Jensen's two-level theory of mental abilities to predict some hitherto unknown or unnoticed phenomena--facts about which the theory should yield clear-cut predictions and which are not as clearly predictable from other theories, though they may receive ad hoc explanations after the fact. From the two-level theory of mental…
Descriptors: Associative Learning, Cognitive Processes, Elementary School Students, Intelligence Differences