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A cluster-randomised controlled trial is a type of randomised controlled trial in which groups of subjects (as opposed to individual subjects) are randomised. [1] Cluster randomised controlled trials are also known as cluster-randomised trials, [2] group-randomised trials, [3] [4] and place-randomized trials. [5]
A randomized controlled trial (or randomized control trial; [2] RCT) is a form of scientific experiment used to control factors not under direct experimental control. Examples of RCTs are clinical trials that compare the effects of drugs, surgical techniques, medical devices , diagnostic procedures , diets or other medical treatments.
The main CONSORT Statement is based on the "standard" two-group parallel design. Extensions of the CONSORT Statement have been developed to give additional guidance for randomized trials with specific designs (e.g., cluster randomized trials, [3] noninferiority and equivalence trials, [4] pragmatic trials [5]), data (e.g., harms, [6] abstracts [7]), type of target outcome, [8] and various ...
This is why randomized controlled trials are vital in clinical research, especially ones that can be double-blinded and placebo-controlled. Mathematically, there are distinctions between randomization, pseudorandomization, and quasirandomization, as well as between random number generators and pseudorandom number generators.
Clinical trials units (CTU) are specialised biomedical research units which design, centrally coordinate and analyse clinical trials and other studies. Some CTUs specialise in different methodologies, such as randomised controlled trials , cluster randomised trials , surgical trials, and health services research.
In medicine, a stepped-wedge trial (or SWT) is a type of randomised controlled trial (RCT). An RCT is a scientific experiment that is designed to reduce bias when testing a new medical treatment , a social intervention , or another testable hypothesis .
Clinical trial; Cluster-randomised controlled trial; Code-break procedure; Combinatorial design; Combinatorics of Experimental Design; Completely randomized design; Computer experiment; Confirmation bias; Confounding; Consecutive case series; Consolidated Standards of Reporting Trials; Controlling for a variable; Cooperative pulling paradigm ...
Randomized, controlled, crossover experiments are especially important in health care. In a randomized clinical trial , the subjects are randomly assigned treatments. When such a trial is a repeated measures design, the subjects are randomly assigned to a sequence of treatments.
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