@JamesPsychol @charlesmurray @christopherburd e.germany visible on ostsiedlung map - settled by germans post 1100https://twitter.com/hbdchick/status/663353530892296192 …
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@JamesPsychol re. your flynn effect problem: don't suppose they did any intelligence testing in the gdr? (i'm sure that's a silly question!)
@hbdchick They might have done. Highly relevant question. Will ask authors.
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