Encyclopaedia Britannica's article on the placebo effect, covering Henry Beecher's 1955 paper naming it and its role as the baseline the controlled trial and double-blind design exist to isolate a treatment from.
Facts
PublisherEncyclopaedia Britannica
URLhttps://www.britannica.com/science/placebo-effect
Source Typereference
Reliability Tier2
A signed, editorially reviewed general encyclopedia, tier 2: reliable for the uncontested history of the placebo effect used here. Sources
Claims Backed By This Source (9 claims)
This source backs 9 claims across the atlas. As facts: 8 well-attested. Plus 1 entities citing it as a general reference with no single fact or relationship attached.
Disposition By Topic
- Sources, 5 claims: 5 well-attested.
- Concepts, 4 claims: 3 well-attested, 1 general references.
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