196 CONTEMPORARY SCIENCE 



from the first with that of the Committee on Classifica- 

 tion of Personnel in the Army, so that the psychological 

 as well as occupational, educational and other important 

 data might have been assembled by a single military agency 

 and promptly rendered available for use in connection 

 with the assignment of recruits. Thus also the organiza- 

 tion of a special branch of the General Staff or of a Per- 

 sonnel Section of the Adjutant General's Office to deal 

 with varied problems of military personnel might have 

 been hastened and otherwise facilitated and the utilization 

 of brain power as contrasted with man power in the ordi- 

 nary sense rendered more satisfactory early in the emer- 

 gency. 



Methods of Measuring Intelligence. The committee 

 of psychologists originally organized to prepare and test 

 methods of psychological examining for the army 

 promptly decided that it would be desirable to examine all 

 recruits in order to provide an intelligence rating for 

 every soldier. This decision necessitated the development 

 of methods which could be administered to relatively large 

 groups and in addition the selection of procedures which 

 could be used for the more careful examination of in- 

 dividuals. 



Most of the methods which were recommended to the 

 military authorities in the summer of 1917 have since 

 that time been repeatedly revised and improved in the 

 light of results. The procedures finally adopted and in 

 use throughout the army during the past few months 

 differ radically from those originally recommended. They 

 may be described summarily as follows : 



There are four principal systems or stages in the ex- 

 amination. First comes the procedure of segregation, by 

 means of which the original group, which may, if exam- 

 ining rooms permit, include as many as five hundred 

 men, is split into two sub-groups; (a) the literates, men 

 who can speak and read English fairly well, and (b) the 

 illiterates, men who are relatively unfamiliar with the 



