Double blind studies
This is the current revision of Double blind studies as edited by Ed Poor (talk | contribs) at 16:46, April 2, 2020. This URL is a permanent link to this version of this page.
Double-blind studies are experiments in which neither the participants nor the people analyzing the results know who is in the control group. The first double-blind study compared polio vaccine to a placebo, in the 1950s (see Jonas Salk).