Industrial Revolution – Brought in innovations that changed production by using machine power, instead of human power. ( Steam Engine & Division of Labor )
Scientific Management – Brought the concepts of analysis and measurement of the technical aspects of work design, and development of moving assembly lines and mass production. ( piece rate incentives & stop watch studies )
Human Resource Movement – Focused on human elements of job design, such as worker motivation and job satisfaction. ( Hawthorne effect, Job enlargement & Job enrichment )
Management Science – focused on development of quantitative techniques to solve operations problems.
Computer Age – enabled processing large amounts of data and allowed widespread use of quantitative procedures. ( Material Resource Planning, MRP )