There are a few, but not many such studies, for obvious reasons. I list at least one in http://www.gwern.net/DNB%20FAQ#flaws-in-mainstream-science-and-psychology and IIRC, the correlation->causation rate was <10%.
There are a few, but not many such studies, for obvious reasons. I list at least one in http://www.gwern.net/DNB%20FAQ#flaws-in-mainstream-science-and-psychology and IIRC, the correlation->causation rate was <10%.