Test selection by job analysis : the J-coefficient, what it is, how it works /

Bibliographic Details
Main Author: Primoff, Ernest S.
Corporate Author: United States Civil Service Commission. Test Development Section
Format: Book
Language:English
Published: Washington, D.C. : U.S. Civil Service Commission, Standards Division, Test Development Section, [1955]
Edition:2nd ed.
Series:Assembled test technical series ; no. 20.
Subjects:

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