JOB ANALYSIS 263 examination were assigned. In this respect, a job analysis giving the physical characteristics of the work is very important because it will enable the employment service and medical service to cooperate more closely in assigning men to the work for which they are physically best adapted. It will prevent the choosing of men with a hernia for work requiring heavy lifting. It will reduce the chances for giving pedestrian work to men or women who have a tendency to fallen arches. It will prevent a large number of accidents, and will greatly lessen one of the most important causes of labor turnover. From the psychological point of view, nothing does more to upset a worker’s state of mind and make him discontented with his job than physical incompatibility. However, unless the employment interviewer has a clear and definite knowledge of the physical aspects of jobs, he can not avoid producing misfits. Moreover, unless there is a thorough understanding between the interviewer and the applicant about the nature of the job, trouble is sure to follow. It may seem foolish to tell an applicant that a job is hot or dirty; but here honesty is the best policy. If an applicant is hired for a dirty job without having been acquainted with that fact beforehand, he may start work but quit after a few days or a few weeks, and thereby cause the loss of a considerable amount of time and effort, as well as make it necessary to go through the whole process of hiring once more. If an applicant is told that a job is dirty, he may accept it nevertheless and not mind it; while, if he refuse the job, not much has been lost. Naturally, some discretion must be used in this matter. A job which would be considered dirty by one man would not necessarily be considered so by another man. The relativity of sensations and feelings is one of