───────────────┼─────────────┼─────────────┼─────────────┼───────────── Goddard │ 144 │ 39 27 │ │ 75 52 (Includes none │ 166 │ │ 73 44 │ above 6th │ │ │ │ grade) │ │ │ │ ───────────────┼─────────────┼─────────────┼─────────────┼───────────── Johnston │ 24 │ 6 25 │ │ ? (Includes some │ 29 │ │ 7 24 │ high school │ │ │ │ pupils) │ │ │ │ ───────────────┼─────────────┼─────────────┼─────────────┼───────────── Terman and │ 35 │ 3 9 │ │ 29 83 Childs │ │ │ │ (Includes a few│ 44 │ │ 14 32 │ in 8th grade) │ │ │ │ ───────────────┼─────────────┼─────────────┼─────────────┼───────────── Rogers and │ 20 │ 1 5 │ │ 5 25 McIntyre │ │ │ │ │ 27 │ │ 6 22 │ ───────────────┼─────────────┼─────────────┼─────────────┼───────────── Totals │ 357 379 │ 100 │ 166 │ 217? ───────────────┴─────────────┴─────────────┴─────────────┴───────────── Binet and Simon. L'Annee Psychol., 1908, _14_: 1911, _17_: 145-200. Bloch and Preiss. Zeits. f. angew. Psychol., 1912, _6_: 539-547. Bobertag. Zeits. f. angew. Psychol., 1912, _6_: 495-538. Dougherty. J. of Educ. Psychol., 1913, _4_: 338-352. Goddard. Ped. Sem., 1911, _18_: 232-259. Johnston. J. of Exper. Ped., 1911, _1_: 24-31. Terman and Childs. J. of Educ. Psychol., 1912, _3_: (Feb.-May). Rogers and McIntyre. Brit. J. of Psychol., 1914, _7_: 265-299. Each of the studies indicated in the table, except that of Bloch and Preiss, gives evidence that the XII-year tests are too difficult for 12-year-old children. Moreover, we find that in the 1911 revision of their scale Binet and Simon advanced their 1908 XII-year tests to test-age XV and four out of the five XI-year tests to test-age XII. Passing the XII-year (1908) tests would, therefore, seem to bring a child above the upper limit of feeble-mindedness as defined even by the American Association for the Study of Feeble-mindedness, since it means more than the intelligence of a child of 12.