Explore: Randomized Controlled Trials

A randomized controlled trial (or randomized control trial; RCT) is a form of scientific experiment used to control factors not under direct experimental

but provide less evidence for causal inference than a randomized controlled trial. A case–control study is often used to produce an odds ratio. Some statistical

update] A/B testing Allocation concealment Random assignment Randomized block design Randomized controlled trial Schulz KF, Altman DG, Moher D; for the CONSORT

Register of Controlled Trials (CENTRAL); a concentrated source for bibliographic reports of randomized controlled trials ClinicalTrials.eu, European

While the possibility of blinded trials on acupuncture is controversial, a 2003 review of 47 randomized controlled trials found no fewer than four methods

This is why randomized controlled trials are vital in clinical research, especially ones that can be double-blinded and placebo-controlled. Mathematically

grants to local agencies, and technical assistance. A review of randomized controlled trials claims little evidence on effectivity of community meetings,

provides technical support to, and disseminates the results of randomized controlled trials evaluating the efficacy of social interventions in health, education

versus a control group is outside the control of the investigator. This is in contrast with experiments, such as randomized controlled trials, where each

alleviate the problems arising from inadequate reporting of randomized controlled trials. It is part of the larger EQUATOR Network initiative to enhance