And some looked at personality: Are you an extrovert or an introvert?

还有一些则涉及个性： 你的性格内向还是外向？

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Whether you are an introvert or extrovert, you need a strong social network.

不管你是内向的还是外向的，你都需要一个很强的社会网络。

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Introvert and extrovert are two commonly used words to describe a person's personality. And they are also commonly misused and misunderstood.

内向和外向是用于形容一个人的个性的两个常用的词。它们也经常被滥用和误解。

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Psychologists brought in by teams will sift through a player's answers and try to decipher trends to help explain how he learns best (say, through written vs. verbal instructions) or is an introvert or extrovert.

WSJ: NBA Draft 2012: For Thomas Robinson and Other Prospects, It's Basketball's Wonderlic Test

The terms extrovert and introvert are well known in business.

FORBES: Introverts No Longer the Quiet Followers of Extroverts

Meanwhile the Guardian's Jon Ronson is bemused that after concluding his whole family are ambiverts - which Cain defines as a mixture of extrovert and introvert - the group barely gets a mention in the book.

BBC: Do we really give introverts a hard time?