AMERICAN INSTITUTES FOR RESEARCH (AIR)
An eight-year program of research and development with the objective of devising techniques of aptitude testing that could be applied in cultures in which standard ability tests are not fully effective and to assist in the application of these techniques to human resource development program was conducted under an AID-supported program.
Schwarz, P. A.; Krug, R. E. · 1970

Abstract
The final phase of the project developed and presented the results in the form of this handbook.
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