This link will take you to a list of ten common teaching mistakes. For most of the mistakes, you will probably laugh and say, "Ha! I would never do that!" But there are a few here that you may never have thought of or that you could have forgotten over the years. (I know I'm guilty of a couple of these.) Even us "Old Timers" can use a refresher once in a while, and this one is relatively painless. The list was originally written for chemical engineering, but it can be applied to almost any area of instruction.
The 10 Worst Teaching Mistakes