February 19, 2015 11:28 AM EST

People often speculate about their personality types. But where do you truly fall on the spectrum between introvert and extrovert—and what does that say about how you live your life? We talked to Susan Cain, author of QUIET: The Power of Introverts in a World That Can’t Stop Talking and co-founder of Quiet Revolution, to assemble a list of telling questions.

This quiz was adapted from Cain’s New York Times bestselling book Quiet: The Power of Introverts in a World that Can’t Stop Talking.

Read next: 10 Tips Every Introvert Should Know

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