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If placebo controls work even when the patient is aware that the treatment is a placebo. Why are deceptive placebo controls used?
Placebos are “fake” treatments prescribed for the psychological benefit to the patient rather than for any physiological effect. Placebos are used for conditions defined by “self-observation” symptoms ...
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When would a placebo/control group *not* be used in medical research?
Related:
Why use a placebo in some potential COVID-19 vaccine trials?
What is the point of a placebo in studies where the subject can determine their group?
The answers to the questions above give ...
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Does a treatment X vs. placebo study qualify as a "comparative study"?
I wonder whether a study comparing medical treatment with a placebo qualifies as a "comparative study".
Looking at PubMed's MeSH tags, I don't see much consistency:
http://www.ncbi.nlm.nih.gov/...
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