In vocational training, students trust the demo more than the speech

I've seen vocational classes go flat when I talk too long at the front. A lot of students are there because they want something they can use, not another long lecture. I try to show the step once, mess it up on purpose if that is what usually happens, then let them try it. You find out fast who is scared to ask, who is rushing, and who already knows more than they say. The paperwork and…