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A comment on One in ten medical treatments are supported by high-quality evidence – study.

Re:One in ten medical treatments are supported by high-quali... by phkahler on Saturday September 05, 2020 @09:23PM (#24388215)
They talk about blind trials being better, but then:

>> An exercise trial cannot be "blinded": anyone doing exercise will know they are in the exercise group...

How exactly can knowing which group you're in cause a placebo effect or any other relevant effect in that case?

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Re:One in ten medical treatments are supported by high-quali... by jdmcnugent on Sunday September 06, 2020 @01:38PM (#24393077)
Blinding is a way to actually reveal placebo effects, and double blinding (blinding the examiner to which group the subject is in) helps negate observer bias.
[ Parent | on HN ]