Randomized controlled trials

Randomized controlled trials (RCTs) randomly separateare an experimental subjects into multiple groups, treat those groups differently,form of impact evaluation in which the population receiving the program or policy intervention is chosen at random from the eligible population, and comparea control group is also chosen at random from the results. Most commonly, one group receives the treatment being tested, while the other receives a placebo or no treatment at all.same eligible population.^[1]

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   White, Howard, Shagun Sabarwal & Thomas de Hoop (2014) 'Randomized Controlled Trials (RCTs)', in Methodological Briefs: Impact Evaluation 7, Florence: UNICEF Office of Research