5°
EMPLOYMENT PSYCHOLOGY
had been applied, seventeen were definitely unsatisfactory,
while nine were not described. And of those above the
standard who would have been hired, thirty-four were
definitely described as satisfactory, only one as unsatis
factory, and thirty-two could not be designated. These
results were such as to vindicate the application of the
tests, even at a time when workers were urgently de
manded.
Later on, however, it was possible to make a much more
satisfactory comparison, based upon the actual produc
tion or output record of the girls. Forty-three inspectors
who had succeeded or almost succeeded in becoming piece
workers, and who had been at work for two months or
more, were considered in this comparison. The hourly
production of each girl was averaged for a period extend
ing from one to four months. In this way a consistent
production record was obtained for each girl, one which
expressed the dominant characteristics of the girl rather
than her particular ability on a particular day. The rank
ing of the girls in production was then compared with
their rankings in the cancellation and number group
checking tests, tests number 8 and 6. (Test number
2, the card sorting test, had not been given because of
the length of time it required and because of the large
number of girls who were applying for work.) The corre
lation for these tests was found to be very good, being
forty-four for number 8, forty-seven for number 6, and
fifty-eight for both tests when taken together. These
correspondences are not as high as some of those found in
the first experiment, but it will be remembered that at the
time of this comparison a good many extremes had already
been eliminated by their own failure.
The striking thing about this comparison, however, is