I went to his account via a different link here and found this:
https://twitter.com/DoomsdayDebunks/status/1471204307609477123
which links to this:
https://twitter.com/SetteLab/status/1469007626306392064
I couldn't see which tweet Robert Walker was linking to, and the images here as just images rather than links to tweets, so I tried to link them here, but it's not letting me submit a comment.
Immigration and clustering people together seems to have been key to the success of various intellectual hubs throughout history, like the Bay Area recently, Vienna in the 20th century, and Edinburgh in the 18th century
Was there really that much immigration in 18th century Edinburgh? And in terms of agglomeration, I'm sure it was denser than, say, the highlands of Scotland, was it really that much compared to other cities in Britain?
It was nice to hear from Robin in person. I hope others didn't think I hogged too much of the question time.
The blogger "Education Realist" disagrees with the argument that flat scores show that spending more on education hasn't resulted in any improvements. He argues that if you divide students up demographically, we have seen improvements. It's just that the shift in the composition of the student population masks that.
I tend to dismiss Steven Landsburg's critique of the standard interpretation of experiments along the lines of the Ultimatum Game, since nobody really thinks it through like him. But I actually did think about it when taking this survey (which is not the same as saying it affected my response).
I looked for it on that page, but instead it's on 497 (second-to-last numbered paragraph), where he says: