This has been discussed previously, but clearly people can study for IQ tests and improve their scores. Another issue is obvious: at what age does one start ad

This has been discussed previously, but clearly people can study for IQ tests and improve their scores. Another issue is obvious: at what age does one start administering IQ tests? Can we distinguish the IQ of a baby at six months? At two years? At age 10? I'm not sure you read my full comment, as I do agree with the article's claim that parental involvement does matter in outcomes. I'm just pointing out the two poles of the 'nature vs. nuture' debate and what their historical roots are.