Test retest reliability coefficient
[DOC File]PRELIMINARY DEVELOPMENT OF THE
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The test-retest reliability coefficient for the Stress Experience Scale was .76 (p < .001), while for the Stress Degree scale it was .65 (p < .001). Discriminant Validity/Stress Experience Index The results of contrasts between the ADHD and comparison group are shown in Table 3 while contrasts across the comparison and ADHD subtype groups are ...
[DOC File]Reliability - Michigan State University
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Reliability – New Material. Types of reliability estimates continued: Test-retest – consistency of test scores when the same test is taken at two different times – consistency of scores over time. We find this by correlating the score of the test taken at time 1 with the score of the test taken at time 2. Why might scores change over time?
[DOC File]University of Phoenix
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The test manual stated that, a considerable number of Spanish surnamed and Black children were included in the sample. The manual strongly recommends that users develop local norm groups. Reliability. Test-retest: The test-retest reliability coefficient after a 5-week interval (with a sample of 30 5th graders) was .88.
[DOC File]Reliability Analysis - Stanford University
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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.
[DOC File]VALIDITY AND RELIABILITY - Purdue University
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(Gay) Reliability is the degree to which a test consistently measures whatever it measures. Errors of measurement that affect reliability are random errors and errors of measurement that affect validity are systematic or constant errors. Test-retest, equivalent forms and split-half reliability are all determined through correlation.
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