These three documents were prepared by the U.S. Civil Service Commission as part of its Assembled Test Technical Series. They are:
1. Number 3 in the series, by Ernest Primoff, entitled: Job Analysis for Constructing Written Tests.
2. Number 24 in the series by Melvin D. Davidoff, Dorothy E. Green and Elaine Kirby, entitled: The Interrelationships of Several Types of Verbal Tests.
3. Number 26 in the series by Robert J. Wherry, entitled: A Review of the J-Coefficient.
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