The right foot, for instance, remained
nearest to the original movement at a rapidity of 80 motions in the
minute, while the head did the same at about 20. For a hand movement
of 14 centimeters, the most favorable rapidity was 120 repetitions in
the minute, while for a hand movement of 1 centimeter the average
remained nearest to the standard at about 40 repetitions. The mean
variation from time average is the smallest for the left foot at 20 to
30 movements, for the right at 160 to 180, for the head at 40, for the
larger hand movement at 180, and so on. Investigations of this kind
have so far not affected industrial life in the least, but it seems
hardly doubtful that a systematic study of the movements necessary for
economic work will have to pass through such strictly experimental
phases. The essential point, however, will be for the managers of the
industrial concerns and the psychological laboratory workers really to
come nearer to each other from the start and undertake the work in
common, not in the sense that the laboratory is to emigrate to the
factory, but in the better sense that definite questions which grow
out of the industrial life be submitted to the scientific
investigation of the psychologists.
XVI
EXPERIMENTS ON THE PROBLEM OF MONOTONY
The systematic organization of movements with most careful regard to
the psychophysical conditions appeared to us the most momentous aid
toward the heightening of efficiency.
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