3 ms·
A six-fold increase in the risk in individuals exposed in the workplace to trichloroethylene is more like a natural experiment than "simple correlation".
by nabla9 6y ago
A six-fold increase in the risk in individuals exposed in the workplace to trichloroethylene is more like a natural experiment than "simple correlation".
- bobthepanda 6y agoIt’s not the only thing they were exposed to though in the natural experiment, so it’s entirely possible that third factor C is what’s driving it. There are more studies according to the article that make the solid case, but one instance of correlation is not necessarily a smoking gun.