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That's true, but there's no chance to have a control group. No one having an acid trip can possibly compare his subjective experience to someone who's taken a s

by lutusp 12y ago

That's true, but there's no chance to have a control group. No one having an acid trip can possibly compare his subjective experience to someone who's taken a sugar pill. And without control groups and other strict controls, human studies are next to useless. The above means that the Placebo Effect cannot be realistically guarded against or dismissed.

pyre 12y ago
> The above means that the Placebo Effect cannot be realistically guarded against or dismissed. This is a little different than the parent's statement (which I was responding to): > I tend to view them mostly as analogous to Dumbo's magic feather.