past, selecting and promoting employes for clerical positions as well as for all other positions has been based on many factors other than ability and efficiency. This condition is, however, gradually changing and in more progressive companies scientific methods are at present used with a high percentage of success. In selecting clerical employes three sources of information are: (1) a carefully filled-out personal history blank; (2) an interview with the applicant; and (3) tests which will determine their ability and skill to handle the job for which they are applying and jobs in direct promotional line. This article deals only with the third of the three items, namely, tests. A person doing employing usually goes through a certain transition of feeling concerning the relative importance of these three items. At the beginning of his hiring experience he rates the interview as being by far the most valuable, the application blank is rated second and the tests come last as least important. Gradually these change places and after a few years' experience the tests are rated as the most valuable of the three. It is very common to have an experienced employment manager say that if he could know only one thing about a person applying for a clerical job, he would take the test scores rather than the other items. Taken as a whole, tests have been more successful in sorting out undesirable candidates for clerical work and in selecting desirable ones than for any other occupation of which we know. In order to evaluate tests properly and use them successfully, office work must be divided into classes or grades. As a rough division we have executive or planning work, supervising, individual work and machine operating. Several careful classifications have been worked out and are at present in force. Due to the fact that the higher grade jobs are fewer in number than those of the lower grade, and further, since in most companies these higher jobs are filled from the ranks of the older employes, the problem becomes that of selecting for the lower grade jobs the right type of material. In addition to the job classification there must also be found a measure of efficiency of the employe on the job. Since in almost all clerical work it is difficult to find a standard of production that will be wholly fair, it becomes necessary to depend for the rating of the individual on the opinion of his immediate superior or on the combined opinion of several superiors with whom he comes in contact. This, everyone clearly recognizes, is not an ideal criterion by which to judge efficiency, but to date it has proved the best we are able to obtain. Three types of tests have been used with considerable success for selection in clerical work: (1) the general ability test; (2) the aptitude test; and (3) the trade or proficiency test. It should be emphasized that the 1 We are indebted to Mr. E. G. Stoy' for assistance in working over much of the data presented and the elimination of much of the inconclusive material published in scattered papers.
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