674 



MEMOIRS NATIONAL ACADEMY OF SCIENCES. 



[Vol. XV, 



GROUP 1 

 GROUP I 

 GROUP n 



T 

 25 



Flo. 14.- 



■ft* 



T 

 IOO 125 150 175 



Percentage distribution of alpha scores of Camp Lee men In Groups I, II, and III who took alpha only. 



200 



GPOUP I 

 GROUP I 

 GPOUP I 



■■ — r 



23 50 75 IOO 



Fio. 15.— Percentage distribution of betascores of Camp Funston men of Groups I, II, and III who were graded on the basis of beta. 



