Myers-Briggs

I tried this test on facebook and this is my results. Is it accurate?
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ISTJ (Introversion, Sensing, Thinking, Judgment)

You are quiet, serious, and earn success by thoroughness and dependability. You are practical, matter-of-fact, realistic, and responsible. You decide logically what should be done and work toward it steadily, regardless of distractions. You take pleasure in making everything orderly and organized - your work, your home, and your life. You value traditions and loyalty. Famous people with your same ISTJ personality include: George Washington, Harry Truman, Queen Elizabeth II, investor Warren Buffet, and boxer Evander Holyfield.