I have tried the clean-up/ behavior chart. Unfortunately for me...I was
either having a party all the time!!! (as different classes got their stars)
Or there was so long of a time to earn them (at once a week....even 4 weeks
can be a long time) that it did not matter. I personally got bored with it.
Although I do know it works for many people. This is my own personal
experience. It was way too much work for me!!!