KnowraPlaceboLinked fromLinked fromThe 29 pages that link to Placebo, each with the reason it gives.All 29Broader topic 1Related 8Narrower topic 1Compared with 19Randomized controlled trialRelated: A placebo can help separate an intervention’s specific effects from expectations and treatment rituals.AntioxidantRelated: Placebo comparisons help separate supplement effects from expectations and background changes.Tuskegee Syphilis StudyRelated: The study was observational, not a controlled placebo trial, but participants were denied treatment while researchers tracked the disease.Fecal microbiota transplantationRelated: Control groups help establish whether observed improvement is attributable to the intervention.Control groupRelated: A placebo can make a control group comparable in expectations and treatment experience.CannabidiolRelated: Placebo groups help separate cannabidiol’s treatment effect from expectation and natural seizure variation.Crystal healingRelated: The term helps distinguish a treatment's specific action from expectation and ritual.Blinded experimentRelated: A convincing placebo helps conceal assignment from participants.