Work study is a tool in the hand of management for achieving more productivity. It is the study of the use of workers, materials, equipments to improve the performance and reduce the wastage. The work-study includes both motion study as well as time study for work measurement and for work improvement. The work study helps in effective use of manpower. Effective use of materials and equipments. Helps in eliminating the wastage and simplify the task of operation.

Thus the work-study measures the time required to perform an operation and set standard is established for doing the work.