Точно? Вот википедия, например, говорит, что Because the placebo effect is based upon expectations and conditioning, the effect disappears if the patient is told that their expectations are unrealistic, or that the placebo intervention is ineffective. (http://en.wikipedia.org/wiki/Placebo_effect#Expectancy_and_conditioning)
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Date: 2011-09-13 08:34 pm (UTC)(http://en.wikipedia.org/wiki/Placebo_effect#Expectancy_and_conditioning)