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.
White, Howard, Shagun Sabarwal & Thomas de Hoop (2014) 'Randomized Controlled Trials (RCTs)', in Methodological Briefs: Impact Evaluation 7, Florence: UNICEF Office of Research
Karnofsky, Holden (2012) How we evaluate a study, The GiveWell Blog, August 23.23 (updated 2 September 2016).
Bouguen, Adrien et al. (2019) Using randomized controlled trials to estimate long-run impacts in development economics, Annual Review of Economics, vol. 11, pp. 523–561.
Wikipedia (2021)Ogden, Timothy (2020) Randomized controlled trialRCTs in development economics, their critics and their evolution, Wikipedia.in Florent Bédécarrats, Isabelle Guérin & François Roubaud (eds.) Randomized Control Trials in the Field of Development, Oxford: Oxford University Press, pp. 126–151.
Randomized controlled trials (RCTs)
randomly separateexperimental subjects into multiple groups, treat those groups differently,and comparethe results. Most commonly, one group receives the treatment being tested, while the other receives a placebo or no treatment at all.