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15 Cards in this Set
- Front
- Back
Realibility |
Refers to the consistency of scores obtained by the same persons when they are reexamined by the same test on different sets of equivalent items, or under variable examining conditions. |
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True Variance |
Variance from true differences. |
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Error Variance |
Variance from irrelevant, random sources. |
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Reliability Coefficient |
Ration of true score variance and the total variance. |
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Pearson Product Moment Correlation Coefficient |
The most common way of computing a correlation. |
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Correlation Coefficient |
Expresses the degree of correspondence or a relationship between two sets of scores. |
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Zero Correlation |
Indicates a complete absence of relationship as might occur by chance. |
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.80s and .90s |
Desirable reliability coefficients usually fall in the _______. |
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Test-Retest Reliability |
Estimate of reliability obtained by correlating pairs of scores from the same people on two different administrations of the same test. |
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Coefficient of stability |
If the interval is more than 6, the reliability estimate is called _______. |
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Alternate Forms Reliability Estimate |
Estimate of the extent to which item sampling and other errors have affected scores on versions of the same test. |
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Alternate |
Independently constructed test designed to meet same specifications. |
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Coefficient of equivalence |
The degree of relationship between various forms of a test is measured by _______. |
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Reliability Coefficient |
A measure of both temporal consistency and consistency of response to different item samples or test forms. |
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Split-Half Reliability |
Obtained by correlating |