q.66 EMPLOYMENT PSYCHOLOGY item which provides for just such a contingency. There are, to be sure, many jobs which require ability of a very high degree, and in order to get any comprehensive idea of this ability, it is necessary to go into much greater detail concerning the work than has been done in the foregoing analysis. However, the discussion of job analysis has been here confined to the more fundamental and common elements and the more advanced kinds of trades are dis cussed in other chapters. Now that it has been made clear what is implied by a comprehensive job analysis, the three remaining condi tions can be taken up in comparatively brief form. The second condition named is that such an analysis must be brief. Brevity is always a self-evident virtue. But as applied to the work of interviewing and choosing appli cants, the importance of brevity becomes even more obvious. When an interviewer needs to look up the characteristics of a job, he must be able to find them in the shortest possible time and with the least possible trouble. All the items contained in the outline given can be put on a single card four inches by six inches in size. Conformity to a standard, the third condition named, contributes to brevity although this is not its only merit. The impor tance of having jobs described in standard terms is almost the same as having people make out application blanks which are standard. It promotes simplicity and definite ness, makes sure of the essential features and excludes the non-essential, and in fact fulfills a large number of re quirements. Unless the description of jobs is made to conform to some such standard, the results will be a heterogeneous mass of facts and figures which can be used only with the utmost inconvenience. The fourth condition calls for a description of the job