I'm not here to dig up all studies showing those results. Here is (probably the best) one. The MCE was orignally designed to show the opposite: https://www.bmj

I'm not here to dig up all studies showing those results. Here is (probably the best) one. The MCE was orignally designed to show the opposite: https://www.bmj.com/content/353/bmj.i1246 https://www.bmj.com/content/353/bmj.i1246