For 80 intellectually gifted students, intelligent quotients and percentiles from the WISC—R, Stanford-Binet, Standard Progressive Matrices, and the Culture-Fair Intelligence Test were correlated. Pearson correlations were larger among the nonverbal measures of intelligence than between the nonverbal and verbal measures.
References
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CattellR. B. (1973) Culture-Fair Intelligence Test. Champaign, IL: Institute for Personality & Ability Testing.
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RavenJ. (1981) The 1979Standardization of the Standard Progressive Matrices and Mill-Hill Vocabulary Scales. London: H. K. Lewis.