Barkley divides our results into those which are unprecedented, and those which can be explained away by means of the placebo effect. This kind of cherry-picking among the data is unscientific. We are as much surprised by our results with bed-wetting as anyone else. It was not expected. They are what they are.
Mothers can tell the difference between wet sheets and dry ones.
After a single session of EEG biofeedback, he stopped. When you repeatedly see children stop bedwetting within the first ten to twenty sessions of EEG training, in conjunction with other positive changes, you know you are onto something even before controlled studies are done. The children are their own best controls. The initial findings were also blinded, in their fashion, since early on neither the clinicians nor the mothers knew to expect such changes. They were simply reported, and they were simply recorded.