Bauhaus-Universität Weimar

Researches on voluntary effort. 
71 
The following is a specimen record ; the figures in the top line give 
the relative intensities of the efforts as intended, while the actual results 
of five experiments are recorded below them. The unit is the kilogram. 
I 
2 
3 
4 
o-5 
1.0 
i-7 
3-3 
0.4 
1.0 
1.6 
2.8 
o.S 
1.0 
1.6 
2-5 
0.8 
1.6 
2-5 
3-7 
0.9 
2.1 
3-2 
41 
The question arises concerning the proper method for computing the 
results. If the values in each column represent identical processes, they 
should be added directly. This is the method which I have followed in 
reporting the results in the New Psychology (p. 218). Further con¬ 
sideration leads me to modify the procedure. The values for effort 1 are 
not intended to be one particular effort, but any convenient light effort 
to start with. Likewise the values for effort 2 are not attempts at a cer¬ 
tain definite effort, but are attempts to double effort 1, which may be 
different for different experiments, etc. The proper procedure seems, 
therefore, to lie in measuring efforts 2, 3 and 4 by effort 1, as a unit ; 
this is done by dividing all four records by the record for effort 1 in 
each experiment separately. The specimen record then takes on the 
following form : 
I 
2 
3 
4 
I 
2.0 
3-4 
6.6 
I 
2.5 
4.0 
7.0 
I 
2.0 
3-2 
5-0 
I 
2.0 
3-1 
4.6 
I 
2.3 
3-6 
4.6 
The averages and mean variations are then computed in the usual way. 
The results for several observers are given in the following table : 
Subject. i 
ttx 2 
Table I. 
<4 
3 
'4 
4 
<4 
« 
I i 
29% 2.1 
9% 
3-5 
7% 
5.6 
2% 
5 
II i 
14% 2.0 
»% 
3-3 
21% 
7-1 
19% 
5 
III i 
25% 30 
27% 
5-7 
33% 
11.4 
14% 
4 
IV i 
22% 2.2 
14% 
3-1 
29% 
4.6 
24% 
4 
dlt d.lf dZi dv mean variations. 
1 ». 
number of experiments.
        

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