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- W137871593 abstract "The technique of correlation is the major tool used to determine the degree to which tests are consistent in their measurements. When a test is relatively consistent in its measurement, it is called a reliable test. However, reliability is really a matter of degree. The degree of reliability is expressed through a correlation coefficient called a reliability coefficient. A correlations of .90 or higher are desirable for reliability coefficients, though .85 or higher is considered acceptable. But reliability coefficients below .80 are too low for tests intended to aid in making decisions about individuals. , All reliability coefficients should be computed with sufficiently large samples so that the resulting values reflect population values rather than rough sample estimates of them. An obvious definition of test-retest reliability is the correlation of the scores from the first administration of a test with the scores from the second administration of the same test. The resulting correlation is called the test-retest reliability coefficient." @default.
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- W137871593 date "1981-01-01" @default.
- W137871593 modified "2023-09-26" @default.
- W137871593 title "CORRELATION AND TESTS" @default.
- W137871593 doi "https://doi.org/10.1016/b978-0-12-445480-4.50015-7" @default.
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