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This report confirms the opinion of previous investigation that reduction in hours of work affects hourly output favorably. However, great care must be exercised in interpreting results. Many additional factors must be considered, and of these technical improvements and reorganization of work are the most important elements leading to improved efficiency. The workers appreciate shorter hours, especially women with home responsibilities.
A Study of Variations in Output. JAMA. 1945;127(9):554. doi:10.1001/jama.1945.02860090060028