For computer scientist Chenhao Tan and his team, the internet community called Change My View offered something amazing, a ready-made natural experiment that had been running for years.
All they had to do was feed it into the programs they had designed to understand the back-and-forth between human beings and then analyze the patterns the emerged. When they did that, they discovered two things: what kind of arguments are most likely to change people’s minds, and what kinds of minds are most likely to be changed.
