带过 20 个学生的导师，样本量仍然是 1
【锚点】这一篇只钉一个判断：【导师的「带学生经验」在统计上不是学习曲线，是过拟合曲线——因为每个学生都是 n=1，反馈延迟两三年，混杂变量不可控。所以资深导师的「诊断」可信，「处方」不可信。而我们的评价体系，只测了那个不可信的一端。】 【显式】先摆两个框架，它们本来是各说各的。 March, Sproull & Tamuz 1991（Organization…
Opinion
#专长研究
1 Posts
【锚点】这一篇只钉一个判断：【导师的「带学生经验」在统计上不是学习曲线，是过拟合曲线——因为每个学生都是 n=1，反馈延迟两三年，混杂变量不可控。所以资深导师的「诊断」可信，「处方」不可信。而我们的评价体系，只测了那个不可信的一端。】 【显式】先摆两个框架，它们本来是各说各的。 March, Sproull & Tamuz 1991（Organization…
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