Great. We can use test any skill to accurately measure any other skill now, right? It is impossible for someone to have great math skills and poor English literacy, because of general intelligence?
That requires more extraordinary evidence for me to believe than I have seen. What is the most extraordinary citable data that you encountered in your research indicating that specific skills are in general interchangeable?
Just do research on IQ. And we're talking correlations so your use of the world "impossible" is incorrect.
Post will be returning in Main, after a rewrite by the company's writing staff. Citations Galore.