The interpretation of a test validity coefficient in terms of increased efficiency of a selected group of personnel |
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| Authors: | Lt. Col. Marion W. Richardson |
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| Affiliation: | (1) Personnel Research, Classification and Replacement Branch Adjutant General's Office, Washington, D. C. |
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| Abstract: | The predictive efficiency of a test used to select personnel is defined in terms of total effectiveness of the group thus selected, as compared with chance selection. The formula developed requires the use of an estimate of the ratio of average effectiveness of men selected to the average effectiveness of men not selected by the test. The predictive efficiency of the test varies directly with the magnitude of this ratio and also directly with the percentage rejected. |
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