The issue we were arguing about was whether intelligent adults are more likely than average to have intelligent children. You, apparently, weren't convinced that intelligent parents were any more likely to produce smart children than were any other type of parents. The formula demonstrates, with mathematical precision, that the confusion you've been trying to create about the word "heritability" is counterproductive. Intelligence is passed from one generation to the next.
The formula is a mathematical description of regression toward the mean. Is regression toward the mean taking place? Assuming it is, successfully convincing smart people to have more children will result in a population that's smarter than it otherwise would have been. But suppose Weiss is right, and the appearance of regression toward the mean is due entirely to measurement error. In that case, the benefits of a eugenics program would be even greater.
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This is asinine. Your post makes no sense. "Assuming regression towards the mean is occurring, it means it won't happen. But it's not because it's measurement error, so I can dismiss it." You've taken stupid to a whole new level...
Why not, instead of dismissing the presumed "measurement error" (sic), analyze the equation at the bulk limit where any measurement error averages out? That's a very easy thing to do, if you know any sort of math whatsoever. Of course, it still doesn't address the simple fact that the equation's wrong...but it'll at least prove to you that you're a fool.