Adriana describes herself as an introverted woman.

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The survey described John as either extroverted, introverted, neurotic or emotionally stable.

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Oldis, 62, says people can develop it as a mental skill, though introverted and creative types tend to have an easier time.

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Hyperpolyglots are more likely to be introverted than extroverted, which may come as a surprise to some.

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Turks view the disinflation programme as part and parcel of a hoped-for transition from an introverted, statist and authoritarian past to a liberal, democratic and cosmopolitan future.

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As he worked alongside his brother, Mark became known as the easier of the two talk to, while Andrew was more driven, more introverted and some say, more book-smart.

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Certainly our view of introverted leaders is more positive than a decade, or even 5 years ago, as researchers continue to push forward our understanding of this half of the population.

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