IQ subtest variation-agree or disagree?

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3. The 'manifold' of variation between IQ sub tests increases with increasing IQ.

In other words, while people of moderately high intelligence tend to be all-rounders, about equally good at all the IQ sub tests; people of the highest levels of intelligence are much more specialized in their abilities. Their very high abilities tend to be restricted to particular sub tests or sub-domains of the intelligence tests.

A super-adept mathematician 4 SDs above average in number and symbol tasks is usually less than super at linguistic tasks (probably above average, but maybe not much above average) - while a literary super genius may be, often is, only very moderately good at mathematics.

(e.g. CS Lewis - clearly with extremely high intelligence in the linguistic domain - was utterly unable to pass the school certificate mathematics exam despite many attempts - probably set to be passable by the top ten-fifteen percent of the population.)