Do all facets of the US culture consider Extraversion the best way to be? No, but evidence that it's the ruling force include:
- People worry about their shy children, not their outgoing children
- In corporate settings, quick brainstorming is rewarded, not carefully reasoned answers 2 days later
- In a recent Harvard Business Review study, the researchers professed surprise that Introverted types could be effective and excellent leaders
- Class participation, defined as speaking up rather than as listening attentively, is still graded heavily in many, many schools
- Teachers usually give people less than 2 seconds to answer, whereas research shows correct answers will triple if 5 seconds are allowed. 5 seconds of silence is an eternity to most people in this country
There is much, much more. People from within cultures that they've determined are Introverted (Japan, First Nations, Finland, UK, etc.) report different norms. It has nothing to do with % in the population but with "approved" behaviors.
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