Describes the results of the test began April 25, 1927, concerning the effect of rest periods on the productivity of six girls who performed relay assembly work. These six participants were moved into the test room and their productivity was...
Two documents, both of which concern illumination studies, are presented. The first is a report on the illumination study at Hawthorne, which began Nov. 24, 1924 and ended April 30, 1927. In this study, candles of various lengths were introduced...