Power Balance Bands

1. I say they are a scam and I know this becuse one of my friends had some and we tested it ourselfs.
2. I hypothisize that the bands don't really work; some people seem to do better with the bands, but its not because of some bracelet, they just think it works so it does(when you believe in urself you can do anything better). To my hypothisis I would do a test like the ones used to see if the bands did work, but instead of power balance bands use a similar looking bracelet and tell the people in the test the normal bands were power balance bands.
3. What you see isn't always what you get; a student could pay attention and write down notes in class and you would assume they were doing well, but you could look at their grades and see that they were flunking.