Therapie
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The use of placebos within controlled clinical trials for the placebo effect; last 50 years suggests that psycho-physiological effects can be objectified and measured. These are related to the therapeutic measurement; results covered by the term "placebo effect". Since Beecher's pioneer article in 1955, this effect is recognised and cited in randomised clinical trial; medical articles as being on average 35% effective on the majority of symptoms. ⋯ Is it possible then to measure and to objectify what is called the placebo effect? And if that is possible, how? This article calls into question the extent of the placebo effect evaluated by means of controlled clinical trials, without denying its importance in medical practice. Firstly it raises the epistemological problem of the real possibility, via experimentation, of objectifying psychological therapeutic effects. And secondly, the question is also raised of the interest for medical care of objectifying those effects.