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**SHaEFU0i** · 02-11-2011, 04:49 PM

Environment in many cases determines IQ as well as genetics. The rich are more likely to raise better kids because their kids can get mind stimulating exercises which include playing the violin at an earlier age and getting books to read. The poor are more likely to be raised in an environment where education is not valued that much at all.

Twin and cross-racial adoption studies have shown otherwise, that genetics and not environment are the primary cause.

There has been little to no drop in the gap in the IQ differences between blacks and whites in the US since tests were given in the early 1900s. Further it was found that the IQs of quadroons > mullatos > 1/4 blacks > pure blacks even when they lived in the same segregated neighborhoods, just as to be expected if intelligence is primarily genetic.

Here's a rather long though recent article discussing how IQ tests separate for environment and innate intelligence.
http://psychology.uwo.ca/faculty/rus...%20Nisbett.pdf

02-11-2011, 04:49 PM	#10
SHaEFU0i Join Date Oct 2005 Posts 426 Senior Member	Environment in many cases determines IQ as well as genetics. The rich are more likely to raise better kids because their kids can get mind stimulating exercises which include playing the violin at an earlier age and getting books to read. The poor are more likely to be raised in an environment where education is not valued that much at all. Twin and cross-racial adoption studies have shown otherwise, that genetics and not environment are the primary cause. There has been little to no drop in the gap in the IQ differences between blacks and whites in the US since tests were given in the early 1900s. Further it was found that the IQs of quadroons > mullatos > 1/4 blacks > pure blacks even when they lived in the same segregated neighborhoods, just as to be expected if intelligence is primarily genetic. Here's a rather long though recent article discussing how IQ tests separate for environment and innate intelligence. http://psychology.uwo.ca/faculty/rus...%20Nisbett.pdf
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