The Psychology of Management by Lillian Moller Gilbreth

4. Self-control is developed by

(a) the habits of inhibition fostered by Scientific Management,--that is to say, when the right habits are formed, necessarily many wrong habits are eliminated. It becomes a part of Scientific Management to inhibit all inattention and wrong habits, and to concentrate upon the things desired. This is further aided by (b) the distinct goal and the distinct task which Scientific Management gives, which allow the man to hold himself well in control, to keep his poise and to advance steadily.