Not because it's easy being an extrovert, but because of the association our modern American culture has placed on greatness and extroverts. Just one quick Internet search can show how inundated we are with how we interact with our fellow humans. And not just how, but also how many, how long and how often.

Why is extraversion valued more?

One hypothesis is that extroverted tendencies, such as being high-energy and outspoken, are highly valued in many societies. Studies have suggested that extroverts are happy because they live in cultures that reward their behavior.

Does our culture promote extraversion?

American and Canadian culture tends to value the qualities of extroverts more than other cultures, but Lee thinks a bias towards extroversion also exists in the workplace and wider society in Britain. But she says just because someone is an extrovert, it does not necessarily mean they do extroversion well.