Psychometric Principles & Intelligence Tests 5.10
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10 Terms
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psychometric
the scientific study of the measurement of human abilities, attitudes, and traits
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intelligence tests
Standardized assessments with uniform testing procedure to assess human ability to learn or understand or to deal with new or trying situations
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test reliability
the extent to which a test yields consistent results overtime
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split-half method
checking the reliability by comparing both halves of the test to compare performance
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validity
The ability of a test to measure what it is intended to measure
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content validity
the extent to which a test samples the behavior that is of interest
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construct validity
how well the variables in a study are measured or manipulated
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criterion validity
how well a measure correlates with other outside measures
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predictive validity
the extent to which a score on a scale or test predicts scores on some criterion measure
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bell curve
more than 2 standard deviations below mean \= intellectual disability, more than 2 standard deviations above mean \= gifted, 15 standard deviation