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American IQ scores have rapidly dropped, proving the 'Reverse Flynn effect'

(www.popularmechanics.com)
256 points hirundo | 1 comments | 10 Apr 23 13:00 UTC | HN request time: 0.21s | source
1. EVa5I7bHFq9mnYK ◴[11 Apr 23 05:27 UTC] No.35521191[source]▶
Maybe IQ scores fell out of fashion so people train less for them? I remember taking some test and scoring 20 points higher on the second take, so IQ tests seem to be highly trainable.