quiet-the-power-of-introverts-in-a-world-that-cant-stop-talking-susan-cain

personality traits of effective call-center
employees. Grant predicted that the extroverts
would be better telemarketers,
but it turned out that there was zero
correlation between extroversion levels
and cold-calling prowess.
“The extroverts would make these
wonderful calls,” Grant told me, “but
then a shiny object of some kind would
cross their paths and they’d lose focus.”
The introverts, in contrast, “would talk
very quietly, but boom, boom, boom,
they were making those calls. They
were focused and determined.” The
only extroverts to outperform them
were those who also happened to be
unusually high scorers for a separate
personality trait measuring conscientiousness.
Introvert persistence was
more than a match for extrovert buzz,
in other words, even at a task where
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