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| Re: Human biodiversity in Europe (839225) | |||
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Re: Human biodiversity in Europe |
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Posted by JayMan on Thu Sep 8 22:20:33 2011, in response to Re: Human biodiversity in Europe, posted by Peter Rosa on Thu Sep 8 21:47:22 2011. An IQ of 70 signifies mental retardation for (probably Germanic) Whites only. For other races, that is quite normal. Indeed, the average IQ of sub-Saharan Africa is only 70, and this value would be above average for individuals from many groups, such as those in Africa's equatorial regions, among the Khoisan, and the Australian Aborigines, who have average IQ's in the 50s and 60s. On the low side, IQ means different thing for different peoples. I suspect that this is due to genes that are population-wide have given northern groups a general increase in intelligence, such that while an African with an IQ of 70 would be developmentally normal and quite competent socially, a White person with such an IQ would be developmentally handicapped.Many of these values that I based my map on, especially of the itty-bitty countries, are estimates, and even those that are based on studies are often based on small or possibly suspect samples. The value given for Lebanon is listed as a measurement, not an estimate, though. Also note that expatriates, especially those from very impoverished countries, are often unrepresentative of the population of their native lands. The average IQ of African immigrants to the States is 115, 3 standard deviations above the continent's mean. Impoverished countries often place huge barriers to travel such that often only the best and brightest can afford to escape. Indian immigrants are another excellent example; they seem to be intelligent people despite the fact that the average IQ of India is only 82. Indian Americans are not at all representative of their countrymen. I suspect that many Middle Eastern groups—especially those from Mesopotamian lands—were more intelligent in the past, but invasion from and intermixing with the previously nomadic Arabs and centuries of inbreeding may have depressed their intellects. |
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