The Key Concept in Fred Taylor's Four Principles of Scientific

The key concept in Fred Taylor's four principles of scientific management was the notion that management:

A) must use scientific means to determine the best way to perform each task.
B) needed to carefully select workers and train them to do the work in the manner management wanted the work done.
C) should be responsible for planning and the workers for executing the work.
D) needed better controls if soldiering was to ever be reduced.