If you give someone a medical treatment that they believe will work, but which actually does nothing, the patient will still show signs of improvement. This phenomenon is call the "placebo effect". How effective are placebos compared to actual drugs or ot
5
votes
About 5% as effective.
About 10% as effective.
About 15% as effective.
About 20% as effective.
About 25% as effective.
About 30% as effective.
About 35% as effective.
40% or more as effective.