Bauhaus-Universität Weimar

Titel:
Researches on the mental and physical development of school-children
Person:
Gilbert, J. Allen
PURL:
https://digitalesammlungen.uni-weimar.de/viewer/image/lit28770/29/
68 
J. A. Gilbert, 
to be a marked turn in tbe life of the child at 7. This divergence 
is brought out very plainly also by the mean variations shown in 
chart X for ages 6 and 7. 
Boys tire more quickly throughout in voluntary movement than 
girls. But the statement that boys tire more easily than girls could 
scarcely be made upon the basis of my data for it will be remembered 
that the rate of tapping by the boys, as shown by table IV and 
chart VII, was faster than that by the girls. The statement that 
boys tire more easily is unwarrantable, for, by averaging and com¬ 
paring the rate of tapping for all boys and girls separately, it is 
found that the girls on the whole1 tap slower than the boys who lose 
but little more than the girls by fatigue, leaving the balance in favor 
of boys. The average boy, including all ages, taps 29.4 times in 
five seconds, the average girl taps 26.9 times, thus tapping 8.5$ 
slower than boys. The average boy, including all ages, loses 18.1$ 
by fatigue; the average girl loses 16.6$. In other words, the boys 
lose 1.5$ more by fatigue than girls and yet boys tap 8.5$ faster than 
girls. This leaves the balance greatly in favor of boys when volun¬ 
tary motor ability and fatigue are considered together. 
Test (6): Weight. 
Column W of table VI indicates the weight in pounds according 
Table YI. 
Weight. 
Age. W 
MV 
B 
MV 
G 
MV" 
A 
B 
C 
N 
NB 
NG 
6 46.0 
4.6 
46.8 
4.4 
44.3 
4.3 
43.3 
46.8 
49.0 
98 
50 
48 
7 51.0 
4.8 
51.2 
4.7 
50.4 
4.4 
48.3 
51.0 
51.5 
98 
50 
48 
8 53.0 
5.9 
52.5 
6.0 
53.0 
c.l 
53.3 
53.5 
53.3 
96 
49 
47 
9 59.5 
6.2 
60.0 
9.9 
58.8 
6.8 
59.0 
59.0 
61.5 
97 
49 
48 
10 66.5 
7.7 
68.4 
• 6.9 
62.7 
7.4 
67.2 
64.5 
66.8 
96 
60 
46 
11 70.0 
7.8 
70.8 
6.7 
70.0 
6.0 
70.0 
70.0 
66.5 
101 
51 
50 
12 83.5 
12.3 
82.3 
6.7 
84.5 
11.5 
83.0 
83.3 
87.8 
106 
56 
50 
13 89.5 
11.6 
88.0 
9.4 
92.0 
10.6 
82.2 
92.3 
86.0 
110 
59 
51 
14 96.0 
15.4 
91.7 
15.8 
98.0 
13.3 
98.5 
98.8 
90.3 
104 
50 
64 
15 105.0 
13.7 
110.0 
15.4 
104.0 
10.5 
105.5 
106.0 
105.0 
102 
51 
51 
16 119.8 
15.4 
127.0 
11.9 
113.0 
11.7 
116.0 
124.5 
118.3 
87 
48 
39 
17 122.0 
14.9 
130.0 
11.3 
113.7 
15.1 
120.0 
122.8 
125.0 
90 
46 
44 
W, weight 
in pounds. 
A, weight of bright children. 
MV. statistical mean variation. 
B, weight of average children. 
B, weight of boys. 
O, weight of dull children. 
MV, statistical mean variation for boys. 
N, number of children. 
G, weight of girls. 
NB, nutnber of boys. 
MV", statistical mean variation for girls. 
MG, number of girls.
        

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