My impression this is going to be something other than a pure scientific experiment (and I don't mean that in a bad way). Medicine and social sciences have a l

My impression this is going to be something other than a pure scientific experiment (and I don't mean that in a bad way). Medicine and social sciences have a large body of research about things like the fact that you can't do a pure experiment with a control group if there's serious risks. http://en.wikipedia.org/wiki/Design_of_quasi-experiments http://en.wikipedia.org/wiki/Design_of_quasi-experiments The seminal work (which I slogged through once upon a time): http://www.amazon.ca/Experimental-Quasi-Experimental-Designs-Generalized-Inference/dp/0395615569 http://www.amazon.ca/Experimental-Quasi-Experimental-Designs...