Andy Oxman is obsessed with the study of bullshit health claims and how to prevent them from spreading.
For decades, he’s been trying to find ways to get adults to think critically about the latest diet fads, vaccine rumors, or “miracle cures.” But he realized these efforts are often in vain: Adults can be stubborn old dogs — resistant to learning new things and changing their minds.
So Oxman, now the research director at the Norwegian Institute of Public Health, started to wonder whether the best hope for bullshit prevention lay with children. To put this idea to the test, back in 2000 he visited his then-10-year-old son’s class.
In a short time, they were running their own blinded, randomized trials — the gold standard for testing medical claims — in the classroom. By the end of their experiment, Oxman said, “They figured out that there was little if any difference in the effects of the different colors and they asked me if the teenagers who made the claim really believed that.”
“I told them that some teenagers had discovered that red M&Ms gave them a good feeling in their body and helped them write and draw more quickly,” Oxman said. “But there also were some bad effects: a little pain in their stomach, and they got dizzy if they stood up quickly.”
The children quickly figured out they had to try eating M&Ms of different colors to find out what happens, but that it wouldn’t be a fair test if they could see the color of the M&Ms. In other words, they intuitively understood the concept of “blinding” in a clinical trial. (This is when researchers prevent study participants and doctors from knowing who got what treatment so they’re less likely to be biased about the outcome.)
The little classroom visit convinced Oxman he had to start schooling people in the ways of bullshit detection early in life.
So he began working with other researchers from around the world to develop curricula — a cartoon-filled textbook, lessons plans — on critical thinking skills aimed at school children.
In 2016, Oxman tested the materials in a big trial involving 10,000 children from 120 primary schools in Uganda’s central region.
The results of the trial were published in the Lancet, and they showed a remarkable rate of success: Kids who were taught basic concepts about how to think critically about health claims massively outperformed children in a control group.
This means Oxman now holds the best blueprint out there for how to get young people to think critically and arm them with the tools they need to spot “alternative facts” and misinformation. His work brings us closer to answering that important question that haunted him — the one that should haunt all of us who care about evidence and facts: How do you prevent fake news and bullshit from catching on in the first place?
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