How Do You Teach Drupal Without Inducing Confusion/Boredom Triggered Comas? Here's a rule that has never let me down:
Never interact with the drupal site in any way during a lesson
The person you teach needs to click on every menu link, fill out every form, and as they learn, its your job to start taking off the training wheels. At first, you'll have to point them to where to go to add a new taxonomy term, but make it a point to later ask them to add a taxonomy term, and see if they remember how to find it.
This "hack" works well for two reasons: