How Many Studies Have Not Been Run? Why We Still Think the Average Effect Does Not Exist - Data Colada
We have argued that, for most effects, it is impossible to identify the average effect (datacolada.org/33). The argument is subtle (but not statistical), and given the number of well-informed people who seem to disagree, perhaps we are simply wrong. This is my effort to explain why we think identifying the average effect is so hard....
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