The time study was a component of the scientific management theory. Very small time upto 00005 minute. Class 11 Physics Revision Notes For Chapter 3 Motion In A Straight Line Physics Notes Physics Physics Revision A time and motion study is a business efficiency technique combining the Time Study work of Frederick Winslow Taylor with the Motion Study work of Frank and Lillian Gilbreth. . With the help of work study method of doing a job is decided. Subsequently the scope of Motion Study was enlarged and it was named as Method Study. These are the operations or motions which require very small time and it is quite difficult to measure time for these motions accurately and the time required by these motions cannot be neglected due to repetitive. Motion study by the Gilbreths evaluated movements and how they can improve work methods. A time-lagged design involves study of different cohorts over different periods of time. It i...