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Oller, John W., Jr. – 1977
It is often the case that intelligence tests do not measure what they purport to measure, although it is commonly assumed that every test with a different name is a test of different skills, and that tests with the same name test the same skills. Spearman attempted to study the relationship between tests that supposedly measured different mental…
Descriptors: Cognitive Processes, Educational Testing, Intelligence Quotient, Intelligence Tests