When overweight people put a box of candy out of sight in order to avoid temptation, they are exercising a form of self-control skinner calls?

They are exercising a form of self control of which skinner calls the controlling response in which an individual or group of people tries method that may be of help them from preventing or avoiding a certain action to be triggered such as the overweight people putting a box of candy out of sight just to prevent them from having one.

What was the length to begin with?