Yes I think that might account for the skewing. I most recently score a whole 1 on extrovert, so it's so borderline it's insane, and yet the ENFP descriptions are the only ones that fit, and I've never gone over the line into INFP.

The line from http://keirsey.com/pygmalion/advocates.html makes me giggle the most, I'd lost this link. Quote: "At times, Advocates will champion a cause with such zeal that they can be carried away with the rightness of their position"

Um yes. The time I set my dad's newspaper on fire while he was reading it sort of springs to mind ;-) And I still believe it was perfectly justifed *g*