The quality of being communicative; a tendency or ability to share information and engage in communication.
From 'communicative' (willing to communicate) plus -ness (abstract noun suffix). A personality trait descriptor.
Personality psychologists measure 'communicativeness' as a core trait—introverts often score lower, but the fascinating part is that introverts can develop high communicativeness through practice, meaning it's partially learned rather than innate.
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