2.8c-2.8d Vocabulary Flashcard - AP Psychology

Front

The WAIS and its companion versions for children are the most widely used intelligence tests; they contain verbal and performance (nonverbal) subtests.

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Wechsler Adult Intelligence Scale (WAIS)

Front

The scientific study of the measurement of human abilities, attitudes, and traits.

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Psychometrics

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Defining uniform testing procedures and meaningful scores by comparison with the performance of a pretested group.

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Standardization

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The bell-shaped curve that describes the distribution of many physical and psychological attributes. Most scores fall near the average, and fewer and fewer scores lie near the extremes.

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Normal Curve

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The rise in intelligence test performance over time and across cultures.

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Flynn Effect

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The extent to which a test yields consistent results, as assessed by the consistency of scores on two halves of the test, on alternative forms of the test, or on retesting.

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Reliability

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The extent to which a test measures or predicts what it is supposed to. (See also predictive validity.)

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Validity

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The extent to which a test samples the behavior that is of interest.

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Content Validity

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Research that compares people of different ages at the same point in time.

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Cross-Sectional Study

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Research that follows and retests the same people over time.

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Longitudinal Study