Classroom delivery is a Ying Yang approach , you give content, students receive and in return give back by testing, showing or demonstrating what they learned 

Becoming a great instructor takes time and skill sets learned over time

What have you all done to help encourage the student who avoids the dish pit or never picks up a mop?

Fantastic concepts and best practices given in a thought provoking presentation.

I loved incorporating psycology into everyday theory  

Handling an angry student utilizing your other staff support, don't try to handle it on your own, student may feel like you are ganging up on them.