I’m curious how the medical community measures other interventions with a similar issue (e.g. talk therapy, physical therapy, surgery, etc…). How do they show

I’m curious how the medical community measures other interventions with a similar issue (e.g. talk therapy, physical therapy, surgery, etc…). How do they show efficacy when it’s obvious the person is knowingly receiving treatment >90% of the time. If there is an acceptable measure, why are psychedelics held to a different standard?