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Theories of Intelligence. Charles Spearman (1863 – 1945) Two-Factor Theory (1927) This theory holds that intelligence has two factors: - g: general factor for every things - g: specific factor for anoly education China Vs America.
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Theories of Intelligence • Charles Spearman (1863 – 1945) • Two-Factor Theory (1927) • This theory holds that intelligence has two factors: • - g: general factor for every things • - g: specific factor for anoly education • China Vs America
2 Horn-Cattell’s (Raymond Cattell and Jown Horn, 1963) • Two Factor Theory • Fluid: the ability of someone to solve novel and abstract problems of the sort that are not taught and relatively free of cultural influences. • Memory, speed of processing • Increases during adulthood • Declines during old ages