Unverified50% confidenceFactExact time
随机对照试验（RCT）曾被诺贝尔经济学奖得主阿比吉特·班纳吉和埃斯特·迪弗洛用于评估全球反贫困项目的实际效果
1
Sources
50%
Confidence
Long-term
Relevance
8/24/2026
First Seen
Sources
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