202 EMPLOYMENT PSYCHOLOGY and expense which were invested on the hiring and training of candidates who were destined from the outset to fail.) Much has been said in deprecation of the scope of tests, and one of the most frequently repeated statements is that tests do not enable the employment office to select those who will succeed, but only make it possible to eliminate a percentage of those who are bound to fail. Therefore tests have only a negative value. In a sense this is true; but it is equally true of any selective process what soever. All selection proceeds by elimination. In fact, elimination is selection and selection is elimination. The main question about such a process is: to what extent does it reduce the number of possible mistakes? It has been seen that the psychological method does not make it possible to avoid all mistakes in selection, and in this sense it can be called negative. However, it has also been seen that the use of tests provides a systematic and effective way of reducing the number of mal-selections, and in this sense, therefore, it is decidedly positive. In attempting to make clear the exact scope and limita tion of tests when applied to the individual, this discussion has erred, if anything, on the side of fairness. It has been stated that psychological tests are unable to detect moral characteristics. As a matter of fact, tests are not nearly as helpless in the face of this problem as has been suggested. One of the great errors which employment managers, foremen, superintendents, and all other people, including teachers, ministers, and religious workers fall into, is the belief that the moral qualities are absolute qualities. They believe that if a man is lazy he is lazy. If he is industrious he is industrious. If he is cheerful he is cheerful. If he is disloyal he is disloyal. If he is ambitious he is ambitious-