The worst mistake that can be made is to refer to any part of the system as being "on trial." Once a given step is decided upon, all parties must be made to understand that it will go whether anyone around the place likes it or not. In making changes in system the things that are given a "fair trial" fail, while the things that "must go," go all right.
Источник: F. W. Taylor. Shop management. New York and London: Harper & Brothers publishers, 1911. P. 136.