This test, also called the MBTI, was developed during World War II to categorize a person’s personality type. You take a formal questionnaire, which then lumps you into one of 16 personality groups.

You chart your own course ... You inspire others to embrace life, constantly learning and growing. READ ALSO: Personality Test: Discover your hidden personality traits based on how you carry ...

When you clasp your hands behind your back, you're revealing a lot about your personality without saying ... and unafraid to chart their own course in life. You exude confidence in every aspect ...

Chloe Jeong/PEOPLE Your zodiac sign can tell you a lot about your personality ... sign — is considered the main piece in your birth chart and the one most closely connected to how you behave.