| 1918 - 1078 σελίδες
...above table correspond very closely to those given by Holt. Age. Roys. Girls. Roys. Girls. Rirth 3 months. ... 6 months 7 months 8 months 9 months 10 months... 11 months... 12 months... 13 months... 14months... 15 months... 16 months... 17months... 18 months... 19 months...... | |
| Sumner Huber Slichter - 1919 - 482 σελίδες
...AT FIRST POSITION~BY 3,679 CHILDREN* Duration of employment at first position All months i month i months 3 months 4 months 5 months 6 months 7 months 8 months ... 9 months 10 months 1 1 months 1 2 months 12-13 months. . . . 15-18 months. . . . 1 8-2 1 months. . . . 21-24 months. .... | |
| Sumner Huber Slichter - 1919 - 486 σελίδες
...Chicago Public Schools, 1916, p. 36. 'Ibid. Durat1on of employment at first position All months 1 month 3 months 3 months 4 months 5 months 6 months 7 months. . 8 months 9 months 10 months 1 1 months 1 2 months 12-15 months. . . . 15-18 months. . . . 18-21 months. . . . 21-24 months. •... | |
| New Haven (Conn.) Dept. of Health - 1920 - 586 σελίδες
...working week and the number of workers employed have taken place. TABLE I No. of months out of work 1 month 2 months 3 months 4 months 5 months 6 months 7 months 8 months 9 months 10 months 11 months 12 months and over Total No. 241 TABLE II of workers, full time, part time, and Ward 10 idle 1633 No.... | |
| Alvin Wood Chase - 1920 - 616 σελίδες
...2 2 3 3 4 4 4 5 5 5 6 G 6 58 61 5.83 6.11 4 23 days 24 days 25 days 26 days 27 days 28 days 29 days 1 month 2 months 3 months 4 months 5 months 6 months 7 months 8 months 9 months 70 months 11 months 1 year 1 1 2 1 2 1 2 1 2 2 2 2 2 2 2 2 3 3 5 5 8 7 10 8 13 10 15 12 18 13 20 15... | |
| United States. Navy Dept. Bureau of Medicine and Surgery - 1920 - 134 σελίδες
...o 0) 0) 0) (v P) 19O8. All ages . . . Under 1 month . 1 month 2 months 3 months 4 months. 5nfonths 6 months 7 months 8 months 9 months 10 months 11 months Under 1 year . 1 year 2years 3 years 4 years Under 5 years. 5 to 9 years 10 to 14 years 15 to 19 years... | |
| Charles Hunter Dunn - 1920 - 612 σελίδες
...80 1 week 1.33 2 weeks 1,33 4 weeks 2.50 8 weeks 3,5° 12 weeks 4.00 1 6 weeks 4,5° 5 months 5,5° 6 months 7 months 8 months 9 months 10 months . 11 months 1 vear. . . It will be noted that the figures for anatomic gastric capacity given by Rotch and by Holt... | |
| United States. Children's Bureau - 1921 - 284 σελίδες
...above table correspond very closely to those given by Holt. Age. Boys. Girls. Boys. Girls. Birth 3 months. ... 6 months 7 months 8 months.... 9 months 10 months... 11 months... 12 months... 13 months... 14 months... 15 months... 16 months... 17 months... 18 months... 19 months...... | |
| Charles Benedict Davenport - 1923 - 220 σελίδες
...Grover. Time. Aver. No. Avg. No. Avg. No. Avg. No. Avg. No. Avg. No. Avg. 2 weeks 1 month 1.5 months 2 months 3 months 4 months 5 months 6 months 7 months 8 months 9 months 10 months 11 months 12 months 13 months 32 47 170 30 11 12 10 8 10 3 3 2 1 1 6641 6602 6772 6670 6700 6542 6492 6500 6720... | |
| Charles Benedict Davenport - 1923 - 218 σελίδες
...3. Ratner. Milk (cf and 9). 2. NY 4. Grover. 5. Benedict and Talbot. 6. Sohmid and Monnard. 7. Crum. 5 months 6 months 7 months 8 months 9 months 10 months 11 months 12 months 13 months No. 32 47 170 30 11 12 Avg. 6641 6602 6772 6670 6700 6542 No. 4 26 36 52 49 39... | |
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