NEB, Sure, why not try it for a while and see if there is a gain. I wouldn't teach a beginner that way, but assuming you are a dan-ranked guy, you should feel free to experiment. That's how science and art advance.

In the earlier days, up through the seventies, people went for their dan tests, performed before the board of examiners and then went home. They found out later whether they had passed. Their sensei spoke with them in private usually a few days later. This arrangement allowed for the test board to c...