Test-Retest reliability – statswork

Test-Retest reliability


Test - Retest Reliability

The calculation of test-retest reliability is straightforward. The same test is administrated on two occasions to the same individuals under the same conditions. This yields two scores for each person and the correlation between these two sets of scores is the test-retest reliability coefficient. If the test is reliable, there will be a high positive association between the scores.

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