You still haven't explained your rationale for the design of the test.
But you do realise that you are just testing (or trying to test) for Extroverted function use in Q2, don't you? So even though you don't buy into the concept of extroverted functions, you are employing the concept in your test. Why would you do that?
FJ=Fe NP=Ne SP=Se TJ=Te
I still prefer mlittrels idea. I hope he develops it.
Although I think it could be simplified and still be effective.