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Flynn Effect and ASD

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CarlM
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27 May 2023, 8:35 pm

I recently learned about the Flynn Effect. From Flynn effect:

Quote:
The Flynn effect is the substantial and long-sustained increase in both fluid and crystallized intelligence test scores that were measured in many parts of the world over the 20th century.

I think there is a good argument that societal changes have resulted in a real increase in measured IQ, independent of genetics, nutrition and other environmental factors. It would then make one wonder if societal changes have resulted in a real increase in ASD, as well. Here is a blog that discusses this and claims the idea is contentious among researchers: THE RISING PREVALENCE OF AUTISM: LESSONS LEARNED FROM THE FLYNN EFFECT

Makes sense to me that given a hypothetical person with certain genetics, nutrition and other environmental factors, the same societal changes causing a change in IQ could change the AQ of the person.


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naturalplastic
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28 May 2023, 2:41 am

Theyre saying the everyone's IQ has gone up 25 points in the last X number of years.

But then you read surveys in which half of the American public cant remember whether the earth goes around the sun, or the sun goes around the earth. Or when asked "which country did the US win its independence from in the Revolutionary War?" and you give them the multiple choice of Britain, France, and China, something like 20 percent pick "China".



timf
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28 May 2023, 8:45 am

Since IQ is the deviation from average (100), it would seem like Lake Woebegone where all the children are above average. One might suspect that changes in testing or other criteria are more in play.