I would guess that lack of repeatability happens a lot with any self-reporting scheme, but I am sorry that I accidentally picked such a polarizing "people generalization" scheme to use as contrast. Maybe I should have used "introvert versus extrovert" or something

Anyway, their sibling comment told me what I wanted to know, so in that way I'm wasting more of my time contributing to this

I thought the Microsoft developer persona thing was cute. I didn't think anybody was claiming it was science!