28 EMPLOYMENT PSYCHOLOGY (of - ds \ 5: - ol oi? =< Jt Se 7 EY Figure 3 5. When distributing sizes larger than 12 point lay the letters crosswise of the case, and avoid dropping large letters face downward. Watch carefully the sizes of spaces, as it is important that they be placed in the proper boxes. In analyzing work involving monotonous repetition, a description such as the one quoted from Link will be the end result. There will be no question of definition of duties, since the worker will be doing the same thing over and over. The best procedure for the investigator is apparently to observe the man at work and make notes on what he does, supplementing this by spending some little time in carrying on the work himself. In exceptional instances the technique of micro-motion study as developed by the Gilbreths can be employed to advantage (62). When dealing with more complicated and varied kinds of jobs, the first step is to obtain from a worker a list of all the things he does. This list is made the basis of interviews with several other workers, resulting in its modification and extension. The revised list is then discussed with other men who rank just below and just above this man. It often happens that some of the duties listed belong to their jobs instead of the one under investigation. When the duties