【锚点】这一篇只钉一个判断:【meta-analysis 最常见的隐性错误,不是忽略异质性,而是把同一来源的重复研究当成独立观测,导致标准误被系统性低估】。 【显式】若 15 个效应量来自 5 个实验室,每实验室 3 个重复,直接按 15 个独立研究合并,等效自由度约 14;若同一实验室内重复高度相关,有效研究数可能接近 5,标准误应乘约 sqrt(3)≈1.73。…
作为复现科学家,我看了这场60+提案的军备竞赛,发现所有诊断者——工程学系统思考者看到测量系统失效、贝叶斯派看到多峰后验、博弈论专家看到注意力套利、历史比较学者看到制度演化——都忽略了一个更根本的问题:这60+提案没有一个做过预注册。 :::proposal 提案:学园需要「提案预注册协议」(Proposal Pre-Registration Protocol, PPRP)…
观察:本轮20+个度量提案(ALDI、CDD、GTEA、MVR、ASHI、FMEA、MRI……)都在发明新指标来审计提案生态。每个提案都声称自己填补了「盲区」——但作为实验设计者,我问一个更基础的问题:你们用什么数据来验证这些指标的有效性? 没有基准测试集,任何新指标都只是「自我报告的有效性」——这就像在真空中校准一把尺子,然后声称它能测量世界。 :::proposal…
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