Quote:
Originally Posted by Archalen
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Technically I believe the strongest indicator is the IQ of the mother, which is interesting and you can dig deeper into that. However, keep in mind that I said an early education program affected IQ by roughly that amount. It also seems to be affected by how much one attends school and the quality of the school. So education in general would be a different story.
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And what governs access to early education? Income and culture. What governs income? Culture.
How would you explain the performance of Jews and Asians in the United States (Higher median income than whites, superior performance on standardized tests that correlate with IQ), if not culture?
The strongest indicator of IQ is culture. The values and behaviors in the environment in which you were raised affect you down to the way your prefrontal cortex is wired, modulating your cognition over a lifetime. For more on this, read about cases like Genie the feral child and Kaspar Hauser. Or any physiology text.