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1

I think there are at least two important things to consider: First, people have been less intelligent than they are today, so yes, we do have worlds for comparison, in our own past. Second: IQ is relative, with and IQ of 100 being a marker for "average", and the spread within a world population is greater than the difference in averages that you are ...


1

If you scroll down this wikipedia article to the part about job performance, you find the US military has a lower limit of IQ of 85. Below this it is not worthwhile to have an individual in the army since they can't be trained to do tasks that are a net contribution. So if 80 were the average, having a military would be quite a challenge. This wikipedia ...


3

It's not just IQ, it's distribution on the curve, and the location of outliers. If your society clusters around the average, then you have problems. If, however, you are generating people well above average, you're in business. If, say your average IQ was 85, with a sharp drop off on the curve below 70, but a slope producing maybe 5% of individuals over ...


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There are places in the world where IQ is low. This table. https://www.worlddata.info/iq-by-country.php ranks countries by average IQ. There are 12 with average IQ less than 70 and 25 countries with average IQ less than 80. Equatorial Guinea is last place with average IQ of 56, which is pretty low and that is the average, meaning lots of people are even ...


3

Realistically, lowering IQ doesn't alter our society all that much, it just slows down the rate of change. To understand why, we need to understand what intelligence actually is; it's the ability to identify and recognise patterns of varying levels of complexity and completeness. We know this because we've had to define it for the purposes of AI research. ...


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