Kai Kupferschmidt in Science:
As a young boy growing up in the Netherlands in the 1990s, Sander van der Linden learned that most of his mother’s relatives, who were Jewish, had been killed by the Nazis, in the grip of racist ideology. At school, he was confronted with antisemitic conspiracy theories still circulating in Europe. It all got him wondering about the power of propaganda and how people become convinced of falsehoods.
Eventually, he would make studying those issues his career. As head of the Social Decision-Making Lab at the University of Cambridge, Van der Linden is studying the power of lies and how to keep people from believing them. He has become academia’s biggest proponent of a strategy pioneered after the Korean War to “inoculate” humans against persuasion, the way they are vaccinated against dangerous infections. The recipe only has two steps: First, warn people they may be manipulated. Second, expose them to a weakened form of the misinformation, just enough to intrigue but not persuade anyone. “The goal is to raise eyebrows (antibodies) without convincing (infecting),” Van der Linden and his colleague Jon Roozenbeek wrote recently in JAMA.
More here.
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