Recent empirical evidence concerning sex and racial bias in testing is discussed in terms of three primary sources of bias: (1) content of the test itself, (2) atmosphere in which the test is administered, and (3) the use to which the test results are put. Test content that is demonstrably more difficult for one group than another should be (1)…

Racial factors in personnel selection procedures and the performance of racial and socio-economic groups on a testing instrument widely used in personnel selection and in public schools are discussed. The study questions whether individual test items are relatively easier for one racial group than for another, and whether there is a relationship…