The Placebo Effect
Blind Procedures
Obedience
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Updated: Feb 4, 2026

How to Study Placebo Responses in Motion Sickness with a Rotation Chair Paradigm in Healthy Participants
Published on: December 14, 2014
The placebo effect concept needs careful definition. This essay argues for limiting its use to deliberate placebo interventions in biomedicine, avoiding confusion with clinician-patient communication benefits.
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