Exam 10: Section 4 : Intelligence

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The IQ correlation of biological siblings raised in different households is about the same as the IQ correlation of biological siblings raised in the same household, illustrating the role of genetics in influencing intelligence.

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The heritability coefficient of intelligence is roughly .8.

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The WAIS is a modern intelligence test commonly given to children.

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Modern researchers typically use the ratio IQ for children and the deviation IQ for adults.

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Gifted children, when they become adults, are more likely to make major contributions to their chosen occupations than people who are only slightly above average in intelligence.

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One of the best predictors of intelligence is SES.

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Steele and Aronson (1995) found that European American students perform better on tests if they are asked to report their race at the top of the answer sheet.

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Differences in intelligence scores among racial groups probably are due to environmental factors.

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Louis Thurstone did not believe in a general ability called intelligence.

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Crystallized intelligence and fluid intelligence are terms for the same underlying construct, which is known as practical intelligence.

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Robert Sternberg defined practical intelligence as the ability to apply and implement solutions in everyday settings.

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As environments become more similar, the heritability coefficient of intelligence decreases.

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African and Asian cultures tend to include social cooperativeness in their conceptualization of intelligence.

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Thurstone's primary mental abilities correspond to middle-level abilities in the three-level hierarchy.

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Job performance correlates more highly with educational level attained than with intelligence.

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Fraternal twins are also called monozygotic twins.

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Absolute intelligence tends to increase over the course of an individual's lifetime.

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Economic and social variables appear to account for most of the observed racial differences in intelligence.

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Only stimulant drugs will produce neural changes conducive to enhanced learning and memory.

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First-born children tend to have higher IQs because they receive more parental attention than their later-born siblings.

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