Guide to the development of written tests for selection and promotion :
the content validity model /
Anne T. Gavin.
|Main Author:||Gavin, Anne T|
Washington : Civil Service Commission, Personnel Research and Development Center, 1977.
Civil service /
Civil service / United States /
United States > United States / Officials and employees > United States / Officials and employees / Selection and appointment.
On cover: Bureau of Policies and Standards.
Issued June 1977.
37 p. :
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||University of Illinois at Urbana-Champaign|