Nikolas
Created page with "* Chance, bias, and confounding should be ruled out in order to talk about a valid statistical association ** A valid statistical association does not imply causation! ** For example, incidence of prostate cancer has increased recently, as have the sales of flat-screen TVs. But there is no causation * The two types of errors in epidemiology ** Type 1 error – when we conclude that there is a difference when in reality there is no difference *** To avoid type 1 errors, w..."