The Public Interest

Employment testing and job performance

Jan H. Blits & Linda S. Gottfredson

Winter 1990

FOR MORE than twenty years, a fierce public-policy storm has raged over how or whether general mental ability tests should be used in employment selection. Employers typically favor using such tests because they are generally the best single predictor of job performance. But the tests are controversial because they disproportionately screen out blacks, who as a group tend to score considerably lower than whites.

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