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14 Cards in this Set
- Front
- Back
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ratio iq
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statistic obtained by dividing a person's mental age by their physical age and then multiplying the quotient by 100
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deviation iq
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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
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factor analysis
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statistical technique that explains a large # of correlations in terms of a small # of underlying factors- invented by Charles Spearman
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2-Factor Theory of Intelligence
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spearman's theory suggesting that every task requires a combination of general ability G and specific task skills S
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Fluid intelligence
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ability to process info
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crystallized intelligence
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accuracy and amount of info available for processing
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prodigy
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person of normal intelligence with an extraordinary ability
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savant
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person of low intelligence with an extraordinary ability
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intelligence
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hypothetical mental ability that allow people to direct their thinking, adapt to their circumstances and learn from experience
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identical twins(monozygotic)
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twins who develop from the splitting of a single egg, fertilized by 1 sperm
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Fraternal twins (dizygotic)
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twins who develop from 2 different eggs that were fertilized by 2 different sperm
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heritability coefficient
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statistic (h2) that describes the proportion of the difference b/t people's scores that can be explained by differences in their genetic makeup
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shared environment
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environmental factors experienced by all relevant members of a household
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nonshared environment
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environmental factors not experienced by all relevant members of a household
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