Greater use of employment tests for selecting workers will mean that rewards for developing competencies measured by the tests will rise, increasing the supply of workers with the skills. Greater use of tests to select workers will also change the sorting of workers across jobs. The impact on total output will depend on the extent to which the…

This book reports results of a National Research Council study and the validity of generalizing from its studies of about 500 occupations to over 12,000 jobs. The use of the General Aptitude Test Battery for prediction is discussed, and its impact and recommendations for future use are considered. (SLD)