7 ms·

So the trend disappears when the groups are disaggregated - I'm surprised that the author does not mention Simpson's Paradox: https://en.wikipedia.org/wiki/Simp

by gibblz 8y ago

So the trend disappears when the groups are disaggregated - I'm surprised that the author does not mention Simpson's Paradox: https://en.wikipedia.org/wiki/Simpson%27s_paradox https://en.wikipedia.org/wiki/Simpson%27s_paradox