> So what we, in fact find, is that IQ tests only reliably correlate in the 'mental retardation' region of performance. Even assuming we agree that that’s the

> So what we, in fact find, is that IQ tests only reliably correlate in the 'mental retardation' region of performance. Even assuming we agree that that’s the only usefulness of an IQ test, in what way does that make them not a measure of intelligence? A ruler is still a measure of length even if it can’t measure the size of an atom or the distance to the moon.