The science on intelligence turns out to be far more devastating than we originally thought when we look at the cliff effects in reasoning every seven points or so. I’m exhaustively aware of the 2SD problem, but I didn’t understand the severity of the 105, 93, and 85 cliffs.
Source date (UTC): 2022-08-26 17:56:25 UTC
Original post: https://twitter.com/i/web/status/1563223857859031044