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Jensen, Arthur R. – 1973
The two-level theory of mental abilities posits two broad classes of ability: level I (learning and memory) and level II (the "g" factor of intelligence tests, reasoning, abstraction, and problem solving). Levels I and II are hypothesized to interact with SES and/or race such that: (l) SES differences are greater for level II than for I,…
Descriptors: Ability Grouping, Black Students, Cognitive Development, Intelligence Tests