Hacker News new | ask | show | jobs
by manifoldgeo 2218 days ago
When I took an epidemiology course in college, our professors taught us about both control studies and cohort studies. Cohort studies might be an example of what you're looking for. This article [0] hosted on the NIH's site discusses cohort studies and their effectiveness / pitfalls.

References: [0] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2998589/