VII CLERKS Clerical work of one kind or another is a necessaryadjunct to almost any kind of enterprise. The choice °f clerks is, therefore, a problem of universal interest. The fact that much clerical work requires a quite different type of worker than is required by most factory work, m akes the problem still more interesting. As a rule, office workers must have a grammar-school or high-school e ducation in order to meet the demands of their work. The time required to “break in” new clerks is commensur ately long. Even for the more routine work it usually takes from two weeks to two months to develop a new cl erk. As a consequence, mistakes in selection mean a correspondingly big loss to the organization. It is most desirable to select at the outset those applicants whose w °rk w iH justify this training. For the purpose of discovering ­ and standardizing tests which should accomplish this object, a series of experiments was conducted at Va rious times and under various circumstances. During the course of the first experiment tests were given to hfty-two men and women doing clerical and near-clerical ^°rk. An aggregate number of four hundred and forty te sts was given. The office serving as the field for this experiment ­ was a departmental office in which large groups clerks were engaged on very similar work. This office *as chosen largely because of the fact that its manager had been making a careful study of his clerks and their 77