This is a very interesting video where Rick Wormeli, author of “Fair Isn’t Always Equal” talks about his views on what it really means to give a 0 if you use a 100 point scale.
It adds an interesting dimension to the debate on zeros and that’s the motivation behind giving one. Is it done as a consequence? Or as a punishment? Is there a difference?
If you haven’t a had a chance to read Rick’s book I highly suggest it. I’ll always remember seeing Rick in keynote for the first time when he said that Equal means everyone in the room gets a pair of shoes. Fair means that the shoes fit your feet.