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

(www.popularmechanics.com)
256 points hirundo | 2 comments | 10 Apr 23 13:00 UTC | HN request time: 0.418s | source
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iamerroragent ◴[10 Apr 23 13:20 UTC] No.35511931[source]▶
They say scores in spatial reasoning went up while analogies, vocabulary, and numerical reasoning declined.

Hmmm I wonder if an increase use of videogames paired with a decrease in the amount of time parents can spend communicating with their children might be related.

Note that over the last 30 years it's vastly transitioned from one parent staying home raising children to both parents working.

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skywhopper ◴[10 Apr 23 14:39 UTC] No.35512882[source]▶
Not sure where you got your data, but from what I can find, the rate of stay at home parents has mostly stayed unchanged between 1989 and 2018: https://www.pewresearch.org/fact-tank/2018/09/24/stay-at-hom...
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1. count ◴[10 Apr 23 15:46 UTC] No.35513700[source]▶
'30 years ago' is 1970 to 2000 I bet :)
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2. iamerroragent ◴[10 Apr 23 16:07 UTC] No.35513926[source]▶
Hahaha you raise a good point. I'm thinking in the perspective of 90s view on stay-home parents shrinking where as since 2000's that trend has changed:

https://www.pewresearch.org/fact-tank/2014/04/08/7-key-findi...

Nearly 50% of households in the 70s had a stay-at-home parent. So a larger number of parents today grew up with working parents than 5 decades ago.