For psychological safety to emerge among a group, teammates don’t have to be friends. They do, however, need to be socially sensitive and ensure everyone feels heard. “The best tactic for establishing psychological safety is demonstration by a team leader,” as Amy Edmondson, who is now a professor at Harvard Business School, told me. “It seems like fairly minor stuff, but when the leader goes out of their way to make someone feel listened to, or starts a meeting by saying ‘I might miss something, so I need all of you to watch for my mistakes,’ or says ‘Jim, you haven’t spoken in a while, what
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