Originally Posted by
Terminally Unique 
I had originally mentioned that there was no control group in the project MATCH study for "no treatment," but I went back and edited it out of my post. It is a very valid and pertinent observation, and one has to wonder why they would do that, since even a 7th grade science student knows you need a control group in an experiment. Still, I thought it might make me come off as biased towards no treatment, which admittedly, I am.
They didn't do it because they CAN'T do it, TU. Research ethics these days do not allow researchers to "deny treatment" to people with mental health issues, thus making it difficult, if not impossible, to use control groups in such experiments.