QUESTION TRADE TESTS 229 ship period. However, the dominant tendency in in dustry is the breaking down of the trades into specialties. The overwhelming majority of jobs to-day can be learned in from one day to three weeks. It is little more than use less to develop trade tests for such a variety of quickly learned tasks. It is much more valuable to find tests for innate specific abilities, for the lack of trade knowledge is not a serious hindrance for a task which takes only a short time to learn. In order to obtain the most efficacious results from the use of question tests it is highly advisable to ask the ques tions in connection with an actual demonstration in a prepared demonstrating room. However, it is well to have a short series of prepared questions for use in the employment office, in order that the more flagrantly unfit and ignorant applicants may be eliminated at once. Those candidates who pass this preliminary set of technical questions will then be allowed to pass into the demon strating room, where they will be asked to demonstrate certain important activities of their trade under the eyes of a skilled observer. In this connection, a further series of questions can be held in readiness, questions which con cern the actual work in hand and also the various tools which must be used for that purpose. As a preliminary demonstration and set of questions, a very successful procedure is to have displayed before the applicant a set of tools, both appropriate and inappropriate. The can didate can then be asked to select those tools which are commonly used in his trade and to name them as he picks them out. This is a very simple test, but one which has been found very effective in separating the sheep from the goats. The suggestion made by one of the workmen and telated in Chapter VI is also a very useful device. A great