Are you an introvert or an extrovert? If you're not familiar with these terms, let me summarise them for you. Extroverts find energy from interaction with other human beings, prefer to think out loud and enjoy being in vibrant surroundings. Introverts find energy when they are alone, prefer to think before expressing their opinions and enjoy quiet surroundings. Here's a quiz for you to find out whether you're an introvert, extrovert or an ambivert (which is a combination of both).