740 MEMOIRS NATIONAL ACADEMY OF SCIENCES. rvouxv. 



Table 275. — Number of cases passing each test at each mental age, Stanford-Binct scale, 351 whites, Camp Funston. 



Table 276. — Relative successes of whites and negroes in Stanford-Binet tests, shown by percentage of men passing. 



WHITES SUPERIOR. 



Test. 



Number of cases 



VII. — 6. Diamond 



VII.— 2. Picture description. 



VII.— Alt. 3 digits backward 

 VIII.— 2. 20-1 



(Whites... 

 (Negroes.. 

 'Whites... 



Negroes. . 



Whites... 



Negroes.. 



Whites... 



Negroes. . 



Whites... 



Negroes. . 



Rank. 



Mental age. 



(76) 



"'io' 



"13" 

 ..... 



..... 



(27} 

 (275) 

 22 

 12 

 41 

 22 

 18 

 11 

 11 



(67} 

 (416) 

 54 

 31 

 54 

 36 

 48 

 40 

 31 

 20 



(111) 

 (138) 

 81 

 43 

 77 

 50 

 77 

 64 

 68 

 48 



(104) 

 (33) 

 95 

 94 

 90 

 88 

 94 

 94 

 91 

 97 



NEGROES SUPERIOR. 



VIII.-l. Ball and field {n^oS" 



X.-5. Comprehension iNe^s": 



IX.-2. Weights iNe^ro^:". 



XII.-3. Ball and field In^c^" 



XII.-7. Picture description { Ne^oes ' ' 



X.-6. 60 words jj™g£ 



12 

 8 

 16 

 13 

 16 

 15 

 19 

 21 

 21 

 20 

 22 

 19 



26 

 31 

 

 1 

 7 

 3 



46 

 64 

 21 

 18 

 19 

 23 



69 



80 



49 



78 



45 



67 



5 



4 



in 



4 



6 



9 



84 

 85 

 82 

 97 

 63 

 82 

 35 

 73 

 16 

 91 

 15 



NEGROES SUPERIOR. 



Test. 



VIII— 1. 



X.— 5, 

 IX.— 2, 

 XII.— 3. 

 XII.— 7, 



X.— 0. 



Ball and field 



Comprehension 



Weights 



Ball and field 



Picture description . 

 00 words 



Stanford- 

 Binet. 



NEGROES INFERIOR. 



VII. — 6. Diamond 



VII. — 2. Picture description . . 

 VII. — Alt. 3 digits backward. 

 VIIL— 2. 20-1 



(42) 



'ioo' 



93 



86 



'55" 

 "59' 



'55' 



Point 

 scale. 



94.1 

 101.3 



100.9 

 166.6 



106.6 

 100.9 



91.9 



