Articles on randomised trials
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It’s important that policies work for the people who need them, without wasting money on untested approaches.
The new Netflix documentary follows identical twins as they adopt different diets. This is a great example of a twin study – a uniquely useful research tool in science.
Two years ago, the Recovery trial transformed COVID treatments around the world with a landmark finding that may have saved a million lives in just nine months
David Card, Josh Angrist and Guido Imbens pushed economics closer to the traditional sciences with experiments that mimicked the randomised trials in drug tests.
Randomised trials in development have attracted criticiism over ethical issues and questions about being effective for policy.



