[kentich]

Nope, you'll get a lawsuit for discrimination if you explicitly test for IQ. That's why they do it implicitly. The scheme is very simple: hire people with the highest IQ, and since they have high IQ, they will figure at least something out.

[tptacek]

This is obviously not true. The companies that administer general cognitive testing for employment literally have logo crawls on their front pages, full of companies your mom has heard of.