This revised manual for the General Aptitude Test Battery (GATB) discusses: (1) historical development; (2) item analysis; (3) factor analysis; (4) physical format; (5) general working population norms (ages 18-54); (6) intercorrelations of raw GATB test scores and of GATB aptitude scores; (7) development of norms for specific occupations (tables…

When a child takes a standardized test measuring ability or achievement, the results of that test may well determine the kind of education he is going to get. When school personnel select certain tests, administer them, and assign students to groups according to their scores on these tests, are they doing it in such a way that the end results are…