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...
Two page form/questionnaire used for personal data collection and observation. A narrative case history for each of the 5 mica splitting operators follows. The case histories give marital status and age. There is a discussion of living...
Typewritten report by R. D. Gross written in July 1931. This paper discusses the different experiments conducted at Hawthorne, some of the resulting data that was collected, and analyzes how it might be used.