Term
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Definition
| the ability to direct one's thinking, adapt to one's circumstances, and learn from one's experiences. |
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Definition
| a statistic obtained by dividing a person's mental age by the person's physical age and then multiplying the quotient by 100 (see deviation IQ). |
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Definition
| a statistic obtained by dividing a person's test score by the average test score of people in the same age group and then multiplying the quotient by 100 (see ratio IQ). |
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Term
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Definition
| a statistical technique that explains a large number of correlations in terms of a small number of underlying factors |
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Term
| two-factor theory of intelligence |
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Definition
| Spearman's theory suggesting that every task requiers a combination of a general ability (which he called g) and skills that are specific to the task (which he called s). |
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Definition
| the ability to see abstract relationships and draw logical inferences |
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Term
| crystallized intelligence |
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Definition
| the ability to retain and use knowledge that was acquired through experience |
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Term
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Definition
| a person of normal intelligence who has an extraordinary ability |
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Definition
| a person of low intelligence who has an extraordinary ability |
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Definition
| the ability to reason about emotions and to use emotions to enhance reasoning |
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Term
| fraternal twins (dizygotic twins) |
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Definition
| twins who develop from two different eggs that were fertilized by two different sperm (see identical twins). |
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Term
| identical twins (monozygotic twins) |
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Definition
| Twins who develop from the splitting of a single egg that was fertilized by a single sperm (see fraternal twins). |
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Definition
| a statistic (commonly denoted as H2) that describes the proportion of the difference between people's scores that can be explained by differences in their genes |
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Term
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Definition
| those environmental factors that are experienced by all relevant members of a household (see nonshared environment). |
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Term
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Definition
| those environmental factors that are not experienced by all relevant members of a household |
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