# Assignment 3 - Assignment 3 Reliability Clerical Test...

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Assignment 3 Reliability Clerical Test Reliability of measurement refers to the consistency of measurement of an attribute. To check for consistency, this case measured for two separate times, Time 1 and a week later for Time 2. Coefficient Alpha The main measurement is the coefficient alpha, which should be at least .80 for a measure to have an acceptable degree of reliability. Results for the Clerical tests are . 85 for Time 1 and .86 for Time 2—these results are acceptable because they are at least .80. Test Retest Test retest is the average of two different time periods that are correlated to each other. The r is calculated on total test scores, or it can be separated. The result of r indicates the stability of measurement, the higher the r, the more stable the measure. For this case, there is only one test-retest for Time 2 at .92 which is statistically significant. This test should be used for future testing. Conclusion Between the coefficient alpha and test-retest, the results are reliable and are statistically significant. This method of testing should be used to hire future employees.

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Work Sample (T) Interrater Agreement (% agreement) The work sample results for (T) tactfulness are measured by interrater agreement (noted as % agreement). The interrater reliabililty agreement is a measure of the
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• Spring '14
• 75%, 80%, 79%, 82%, work sample

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