How do the techniques of time study and motion study help in improving the efficiency level ?

Explanation

The techniques of time and motion study help in improving efficiency by:
(i) Setting-up standard item required to perform a job.
(ii) Setting up daily, weekly targets on the basis of standard tie calculated scientifically.
(iii) By cutting down the wasteful and unproductive movements.
(iv) Saving the energy of employees spent on unproductive movements.