[KongchangAI]
Unverified50% confidenceSolutionExact time

A/A测试(安慰剂测试)通过只使用治疗前数据、假装治疗提前开始并随机挑选处理组,制造一个真实效应必然为零的场景,从而将模型报告的任何非零效应都视为估计误差

1
Sources
50%
Confidence
Long-term
Relevance
10/7/2026
First Seen

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MCP
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