The relations of general intelligence to certain mental and physical traits / Cyrus D. Mead.

  • Mead, Cyrus D. (Cyrus De Witt)
Date:
1916
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Licence: Public Domain Mark

Credit: The relations of general intelligence to certain mental and physical traits / Cyrus D. Mead. Source: Wellcome Collection.

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    TABLE XVII Chicago Caldwell Age | Cases Rightly (9 Bete Rights) fi tLett No. |Per cent] No. |Per cent} No.| Per cent! No.| Per cent ee f ff ff | el a ee ee a | r) 7 1 14.3 1{| 14.3 1{| 14.3 1 14.3 8 12 3 25 a) 410.6 3 | 25 2{ 16.6 9 11 4 36.4 5} 45.5 4} 36.4 5; 45.5 10 12 5 41.7 3 | 25 3] 25 3 | 25 11 18 4 22.2 6] 33.3 ye oie how | ba re ey 12 16 6 37.5 5 | 31.3 2] 12.5 4} 25 13 15 6 40 6; 40 3 | 20 2} 13.3 14 20 6 30 9} 45 4}; 20 5 | 25 15 19 5 26.3 5 | 26.3 4) 21.1 AW 2h.t 16 12 2 16.6 2; 16.6. 0 0.0 1 8.3 17 9 3 33.3 3 | 33.3 0 0.0 Oe oO 0 8 | 18 6 4 66.6 2] 33.3 2| 33.3 2; 33.3 —————— | | ef ee | | | | TT adult graduate men students of Teachers College. He selected twenty-five of the largest defectives! who ranked either in the A or B grades of defect. Only seven of these boys were below twenty years of age; the others ranged from twenty to thirty- seven years. They were all accustomed to the heaviest daily | work, “boiler room boys,” or ‘‘outside workers.’’ The graduate ,~ men were students with a pretty severe mental task daily before them. They were unaccustomed to manual labor. Tests with the dynamometer were made with thirty-three of these men. The ages ran from twenty-three to forty-two. The highest grip with either hand of two trials for each hand was taken. The averages obtained were: No Age | Height | Weight Grip *! Years | Inches | Pounds R. H. L. H Defectives........... 25 24.2 68 .2 156.1 111.4 101.8 Graduates........... Oa 33 69.2 159 125.9 118.9 1 The following were the individuals: Numbers 250-272-197—273-213-268- 284—276-234-177-277-214—-215-204-235-222-280—229-274-164-286- 176— 198— 236-199 of the list found in Chapter VI.
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