According to bruce scagel, which of the following is not one of the four principles necessary to ensure a successful training effort?
a. duration: training should be ongoing.
b. focus: training should be focused on a limited number of very important performance areas.
c. mass: training should provide the maximum payoff that is possible.
d. value: training should be focused on performance areas the offer the highest opportunity for payback.
e. efficiency: training should be produce the greatest results for the least amount of effort.

one principle which is against the BRUCE Scagel principle for training effort is Efficiency

Explanation:

one principle which is against the BRUCE Scagel principle for training effort is Efficiency

According to the Bruce duration of the training must be long enough to provide basic knowledge to the worker. Focus should be on one goal not on the various goal. Maximum number of worker get the benefit of successful training. The main thing that Bruce focused on his principle is the value of training. He focus training on the key area of the employee to get maximum benefit out of the training.