Skeptics point out the difficulty distinguishing between hypnosis and the placebo effect, proposing that the state called hypnosis is

[...] so heavily reliant upon the effects of suggestion and belief that it would be hard to imagine how a credible placebo control could ever be devised for a hypnotism study.[5]"

However, hypnotism itself originated out of very early placebo controlled experiments, conducted by Braid and others. Many researchers and clinicians would therefore object that hyp...


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