The principle of scientific management which explains the use scientific method to determine the activity performed by the employee: Development of Science for each part of men’s job
Explanation-
The principle explains that instead of rule-of-thumb methods, scientific practices should be followed. Under the rule of thumb, a manager uses the trial-and-error method to find solutions to problems. Taylor suggested that a rigorous study of traditional methods should be undertaken and the best method/solution should be adopted by all managers.