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from the tv-and-video-games-cause-brain-rot dept.
A Norwegian study published Monday found a seven-point dip in IQ test scores per generation among men born from 1962 to 1991. The results suggest a reversal in the Flynn effect, an observed increase in IQ scores throughout the 20th century in developed countries.
Coverage from The Week adds:
The reasons for the Flynn effect and its apparent reversal are disputed. "Scientists have put the rise in IQ down to better teaching, nutrition, healthcare and even artificial lighting," says The Times.
But "it is also possible that the nature of intelligence is changing in the digital age and cannot be captured with traditional IQ tests", adds the newspaper.
"Take 14-year-olds in Britain. What 25% could do back in 1994, now only 5% can do," Shayer added, citing maths and science tests.
More from The Daily Mail:
Two British studies suggested that the fall was between 2.5 and 4.3 points every ten years.
But due to limited research, their results were not widely accepted.
In the latest study Ole Rogeburg and Bernt Bratsberg, of the Ragnar Frisch Centre for Economic Research in Oslo, found that Norwegian men's IQs are lower than the scores of their fathers when they were the same age.
The pair analysed the scores from a standard IQ test of over 730,000 men – who reported for national service between 1970 and 2009.
(Score: 2) by datapharmer on Thursday June 14 2018, @11:40AM
That site doesn't appear like they even looked at their own data.
China is #6 for IQ ahead of 19 of the top 20 countries by income and Mongolia isn't even in "the table above", but from the IQ listed on the map it ranks on par with the United States. Further, of the top 20 income countries only 3 are in the top 10 for IQ which is proportionally just average, so I'm not really clear on how they are drawing these conclusions. I will give them that many low income countries also rank poorly, but that's simple correlation and means almost nothing. It seems obvious that if you are malnourished or in a war torn country without regular access to education you won't test as well. I suspect the same would be true if I gave you a million dollar salary under the condition you aren't allowed to buy and food and people will shoot at you randomly.