While more controlled experiments are undoubtedly a good thing, observational studies are often not useless, since one can often make a plausible argument for extracting causation from them. Sadly, the default state of causal analysis in medicine remains “use regression.”
While more controlled experiments are undoubtedly a good thing, observational studies are often not useless, since one can often make a plausible argument for extracting causation from them. Sadly, the default state of causal analysis in medicine remains “use regression.”