I know it as a `double blind' test, where some subjects will be given the substance being tested and others a placebo. https://en.wikipedia.org/wiki/Randomized

I know it as a `double blind' test, where some subjects will be given the substance being tested and others a placebo. https://en.wikipedia.org/wiki/Randomized_controlled_trial https://en.wikipedia.org/wiki/Randomized_controlled_trial Just recently this was posted which complicates the issue! https://news.ycombinator.com/item?id=24075091 https://news.ycombinator.com/item?id=24075091