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Prediction of First Semester Criteria at the Air Force Academy
Author(s): Christal, Raymond E., Krumboltz, John D.
Date of Publication: 1957-01
Report number: AFPTRC TN 57-17
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Psychological Tests and the Selection and Classification of Air Force Officers
Author(s): Tupes, Ernest C., Christal, Raymond E.
Date of Publication: 1957-04
Report number: AFPTRC TN 57-52
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Predictive Validities for First-Year Criteria at the Air Force Academy
Author(s): Krumboltz, John D., Christal, Raymond E.
Date of Publication: 1957-07
Report number: AFPTRC TN 57-95

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