what does placebo and the placebo effect mean?
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Placebo is normally a control group in drug testing, placebo meaning “a substance that does nothing”. Researchers don’t tell you you’re getting the placebo, they just ask you to record any changes. For example, if you’re testing the effects of a pain killer, and tell everyone they are getting a pain killer, people in the placebo group may still report that they felt less pain or their pain went away. This is then called the “placebo effect” where psychologically those people THINK they got a painkiller, so their belief leads them to have less pain even though they didn’t receive a painkiller.
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