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What is a randomized clinical trial?
Answer
Wiki User
September 29, 2009 6:08PM
A randomized controlled trial (RCT) is a type of scientific http://www.answers.com/topic/experiment most commonly used in testing the http://www.answers.com/topic/efficacy or http://www.answers.com/topic/effectiveness-1 of http://www.answers.com/topic/health-care http://www.answers.com/topic/service-economics (such as http://www.answers.com/topic/medicine-1 or http://www.answers.com/topic/nursing) or http://www.answers.com/topic/health http://www.answers.com/topic/technology (such as http://www.answers.com/topic/medication, http://www.answers.com/topic/medical-device or http://www.answers.com/topic/surgery). RCTs are also employed in other research areas, such as judicial, educational, and social research. As their name suggests, RCTs involve the http://www.answers.com/topic/randomness allocation of different interventions (treatments or conditions) to http://www.answers.com/topic/human-experimentation. As long as the http://www.answers.com/topic/statistical-power, randomization is an effective method for balancing http://www.answers.com/topic/confounding-variable http://www.answers.com/topic/covariate between treatment groups.
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Random Assignment
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