I had to take a Personality Test for a job application.
My result was INTJ - Introversion, iNtuition, Thinking(Thoughtful), Judging.
Defined as a Mastermind.
INTJ's make up only 1% - 4% of the population.
Following my career, which now consists of a job search. AS/400(iSeries,System i,i5) Systems Analyst Programmer. I know Midrange systems and Direct Marketing database applications.