Contrary to common belief, randomised controlled trials inevitably produce biased results — Impact of Social Sciences

Much of the social and medical sciences depend on randomised control trials. But while this may be considered the foundational experimental method, a certain degree of bias inevitably arises in any trial; whether this is sample bias, selection bias, or measurement bias. This is important as the level of validity of a trial’s causal claims…

via Contrary to common belief, randomised controlled trials inevitably produce biased results — Impact of Social Sciences

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