"Armed with this learning “Rosetta Stone,” we revisit various well-known results, showing, inter alia, that learning differences between most- and least-developed countries are larger than existing estimates suggest."

So, it's another item linking study. The idea is to find items that have been reused across these tests, and thus one can link the scores with some math tricks. Coverage looks like this.
The results look pretty much like every other such ranking.
Unsurprisingly, the correlation of these new results with existing ones are very similar. There is a comparison to the Altinok 2018 scores, these are the World Bank ones, r = .90 or so.
These authors are very PC and only talk about vague "human capital", "test scores" and the like. Like the other PC researchers in the area, they are puzzled by the oil country results, and returns to schooling. The magic education pill is in another castle.
There is of course no mention of intelligence, nor any of the intelligence researchers who have been using these country comparisons for decades: Lynn, Meisenberg, Rindermann, Becker, et al, not even Garett Jones.


• • •

Missing some Tweet in this thread? You can try to force a refresh

Keep Current with Emil O W Kirkegaard

Emil O W Kirkegaard Profile picture

Stay in touch and get notified when new unrolls are available from this author!

Read all threads

This Thread may be Removed Anytime!


Twitter may remove this content at anytime! Save it as PDF for later use!

Try unrolling a thread yourself!

how to unroll video
  1. Follow @ThreadReaderApp to mention us!

  2. From a Twitter thread mention us with a keyword "unroll"
@threadreaderapp unroll

Practice here first or read more on our help page!

More from @KirkegaardEmil

21 Aug
@a_centrism @AleResnik @dpinsen Reality is racist by his definition. Behold, European ancestry across the Americas, nations and some of their subnational divisions, as well as how well that area is working out as a single index score. Notice a pattern?

@a_centrism @AleResnik @dpinsen Some years later, we did a follow up study where we looked at the divisions of Argentina too. Same thing.

@a_centrism @AleResnik @dpinsen Economists have been noting the same thing for years at the world level.

Try this 2014 paper:

The European Origins of Economic Development

Read 6 tweets

Did Thread Reader help you today?

Support us! We are indie developers!

This site is made by just two indie developers on a laptop doing marketing, support and development! Read more about the story.

Become a Premium Member ($3/month or $30/year) and get exclusive features!

Become Premium

Too expensive? Make a small donation by buying us coffee ($5) or help with server cost ($10)

Donate via Paypal Become our Patreon

Thank you for your support!

Follow Us on Twitter!