15 ms·You're describing a randomized controlled trial and not an epidemiological study.by defen 13y agoYou're describing a randomized controlled trial and not an epidemiological study.dbecker 13y agoYou are mistakenly confounding that epidemiological and observational. Epidemiology studies can be randomized or observational.defen 13y agoInteresting...what would be an example of a randomized epidemiological study?