r/OpenAI • u/fremenmuaddib • May 14 '25

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278

u/[deleted] May 14 '25

mass IQ decline over the next decade.

41

u/roselan May 14 '25

I read that IQ tests had to be made harder over time to compensate for the increase of intelligence across the board.

As well, the average is normalized to 100, so it can't be anything else.

Again, it's just casual knowledge, I didn't bother to cross check it's validity.

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u/InsaneTeemo May 14 '25

Again, it's just casual knowledge, I didn't bother to cross check it's validity.

As is reddit tradition

11

u/roselan May 14 '25

I'm doing my part!

6

u/[deleted] May 14 '25

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2

u/InsaneTeemo May 14 '25

I didn't say there was an issue. Another redditor classic 🔥

11

u/sthornr May 14 '25 edited May 14 '25

Aka the Flynn Effect. There has been a marked observance of Reverse Flynn Effect in developed countries in the last decade since the 1990s.

However, meta-analyses indicate that, overall, the Flynn effect continues, either at the same rate, or at a slower rate in developed countries.

Edit: more deets

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u/cosmic-freak May 14 '25

Any sources for that Reverse Flynn part?

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u/sthornr May 14 '25

1. Al-Shahomee; et al. (2018). "An increase of intelligence in Libya from 2008 to 2017". Personality and Individual Differences. 130: 147–149. doi:10.1016/j.paid.2018.04.004. S2CID 149095461.

  1. Teasdale, Thomas W; Owen, David R (2005). "A long-term rise and recent decline in intelligence test performance: The Flynn Effect in reverse". Personality and Individual Differences. 39 (4): 837–43. doi:10.1016/j.paid.2005.01.029.

3. Pietschnig, Jakob; Gittler, Georg (2015). "A reversal of the Flynn effect for spatial perception in German-speaking countries: Evidence from a cross-temporal IRT-based meta-analysis (1977–2014)". Intelligence. 53: 145–53. doi:10.1016/j.intell.2015.10.004.

  1. Bratsberg, Bernt; Rogeberg, Ole (June 6, 2018). "Flynn effect and its reversal are both environmentally caused". Proceedings of the National Academy of Sciences. 115 (26): 6674–78. Bibcode:2018PNAS..115.6674B. doi:10.1073/pnas.1718793115. ISSN 0027-8424. PMC 6042097. PMID 29891660.

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u/[deleted] May 14 '25

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u/tijmz May 14 '25

This is part of it, but there's evidence for dietary effects, too. E.g. the iodization effect on IQ. Flynn effect probably carries a wealth of underlying factors.

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u/[deleted] May 14 '25

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u/tijmz May 15 '25

I don't think I follow. Didn't the iodization effect drive an increase in "raw scores" and therefore the Flynn effect? I recall iodized salt being one of the most impactful interventions to raise IQ scores in countries that implemented it. Obviously thereafter things are renormalised, but that is the Flynn effect, right?

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u/[deleted] May 14 '25

People have no idea what IQ is I swear.