. 1890 ., . . , , . , . , , . 1900- . . , , , . . XX . . . , - , . . . .Ҹ 1916 . , -, . , . , Ҹ ( ) . . . , .
- . 1904 . . 1927 . (The abilities of man). , , . ., - , - g ( (general)). , g , , . (eduction), . . . , , , , , . .
, . . . , . . , . . . . .