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8 Cards in this Set
- Front
- Back
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What is the maximum value of the Standard Error of the Measurement?
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The maximum value for the standard error of measurement is the value of the standard deviation of the test scores. The standard error is equal to the standard deviation when the reliability coefficient is zero.
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When can the Standard Error of the Measurement be equal to Zero?
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The standard error of measurement is equal to 0 when the test’s reliability coefficient is +1.0. In this situation, if the test’s standard deviation is larger than 0 (which it usually is), the standard error will be less than the standard deviation.
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What is the Standard Error of the Estimate?
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The standard error of estimate is used to construct the range within which an examinee's true criterion score is likely to fall given his/her predicted criterion score. This range is referred to as a confidence interval.
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What is the Standard Error of the Measurement?
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The standard error of measurement is used to construct a confidence interval around an examinee's obtained score
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What is the Standard Error of the Mean?
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The standard error of the mean is the standard deviation of the sampling distribution of means and is not used to construct a confidence interval around a predicted score
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The relationship between reliability and validity is such that:
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A test's validity coefficient cannot exceed the square root of its reliability coefficient
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What is the relationship between reliability and validity?
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Reliability is a necessary but not sufficient condition for validity.
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subtracting points from examinees scores will have what effect on the score distributions mean and standard deviation:
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lower the mean and increase the standard deviation
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