Three documents, two letters and one detailed report. First, Elton Mayos letter to G.A. Pennock dated February 9, 1931, concerning the status of the Western Electric experiments and the importance of studying how fatigue, morale, preoccupation...
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...
Describes the purpose of the study of the six relay assembly employees as a test to determine if rest periods and rest periods accompanied with shorter working hours improved worker efficiency. The report duplicates Progress Report No. 1 by...
Duplicates Progress Report No. 1 and 2 with the addition of a health questionnaire, notes on the physical examinations of each of the test employees, and a discussion about output increases when work shortened to 4:00 p.m. and then returned to 5:00...
Discusses the increase of productivity in the test room. Productivity increased when the workday was shortened. Lower production on Monday and Saturday was thought to be due to mental preoccupation in the majority of cases, not cumulative...
Unfinished rough draft that concentrates on determining under what conditions people perform their best work. Records were kept of each test employees amount of sleep, diet, attendance, comments, physical examinations, and earnings. The temperature...
G. A. Pennocks 1927 introductory address to the six women chosen to participate in the relay assembly work test in which they are told the purpose of the study is to help management resolve some questions. The girls are assured that management is...
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...
Included in this group are tables of vascular skin reaction readings as a measurement of fatigue. There is also an abstract of chapter 5, concerning the physiology and psychology of fatigue, from Edgar James Swifts book Psychology and the days...
Detailed daily descriptions of every variable adjusted in the relay assembly test room, including seating positions, methods to track production, temperature, humidity and lighting.
Comments made by the six test subjects in the relay assembly test room from 1927-1930. The comments are sorted into six categories: rest periods, hours, holidays and vacations; production, earnings, repairs and type; supervision and test room...
Summary of weekly activity in the relay assembly test room from the time period August 8 through December 26, 1931. Production curve and other data fluctuations are covered and explained, as well as any personal or environmental effects on the test...
Tabulations and charts studying the relation between production and two factors: repair time and personal time. The report includes complete logs of personal time taken by the five operators in the relay assembly test room
Report on the quality of production by the relay assembly test room operators. A list of the 23 most frequent causes of rejection of relays was made. The inspector recorded each kind of defect, the hour of assembly, and the operator for each...
Raw production and earnings data on an hourly basis for assembly group two with information on climate. Tables with weekly and monthy averages are included. Some handwritten notes are included, adding context to the figures.
Interviews with the relay assembly test room operators to find out why there was low inspection efficiency. The observer concluded that talking did not delay production, but probably decreased concentration. The group had the tendency to go fast...
Study of the workers reactions to a five-day workweek with standard hours versus a five and one-half day workweek with shorter days. Workers unanimously preferred the five-day workweek with Saturday morning off. Also included is the study that...
Various speeches and presentations regarding the experiment in the Inspection Branch. The original study was to see the effect of lighting on the operators, which was found to be negligible. What they did find is that the production in the test...
Records of the daily output of 35 experienced mica-splitting operators in the regular department for a 3-year period. The length of service for each regular department operator is given. Regular department total daily hours worked and total daily...
Comments from mica test room operators. The comments were recorded and classified as follows: A. Rest periods, hours, holidays, vacations; B. Production, earnings, repairs, type; C. Supervision and test room environment; D. Attitudes and transient...
G.A. Pennock wrote Some Thoughts in Connection with Work in Industrial Research Division. The test room had an outstanding increase in production, due to removal of fear and suspicion on part of employees and increase in morale. This raised the...
Pamphlet summarizing the six years of research at Western Electrics Hawthorne Works. The research began in 1924 with a study of the relationship between light and production. That study showed that research in human relations could not be...
Box 17, Folder 10
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