Randomised trials "give you the chance to be surprised", Ms Duflo says.

随机试验“给了你吃惊的机会”，Duflo女士说。

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The two economists made their names (and remade their discipline) by championing randomised trials.

因支持随机实验这两位经济学家声名鹊起，而且从新的角度定义了他们的学科。

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The most reliable evidence comes from large human trials – preferably randomised trials in which the treatment is compared to a placebo.

最可靠的证据来自大型人体的试验- 最好是与服用安慰剂进行对比的随机治疗试验。

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Many providers of alternative therapy say it is inherently unsuited to double-blind randomised trials.

ECONOMIST: Medicine and its rivals

And randomised trials in social work were begun in the 1930s and 1940s.

ECONOMIST: Social science

When teaching small children to read, for example, tightly scripted lessons, their exact content and timing honed by randomised trials, do best.

ECONOMIST: Automated decision-making