This kind of stuff interests me and I think after taking it and reading about it, it's a good thing to know about yourself. Obviously the test isn't perfect, but I think this is one of the better ones out there.
INTJ You have strong preference of Introversion over Extraversion (89%) You have slight preference of Intuition over Sensing (12%) You have marginal or no preference of Thinking over Feeling (1%) You have moderate preference of Judging over Perceiving (33%)