Hailey Reissman
In 2006, Facebook launched its News Feed feature, sparking seemingly endless contentious public discourse on the power of the “social media algorithm” in shaping what people see online.
Nearly two decades and many recommendation algorithm tweaks later, this discourse continues, now laser-focused on whether social media recommendation algorithms are primarily responsible for exposure to online misinformation and extremist content.
Researchers at the Computational Social Science Lab (CSSLab) at the University of Pennsylvania, led by Stevens University Professor Duncan Watts, study Americans’ news consumption. In a new article in Nature, Watts, along with David Rothschild of Microsoft Research, Ceren Budak of the University of Michigan, Brendan Nyhan of Dartmouth College, and Emily Thorson of Syracuse University, review years of behavioral science research on exposure to false and radical content online and find that exposure to harmful and false information on social media is minimal to all but the most extreme people, despite a media narrative that claims the opposite.
A broad claim like “it is well known that social media amplifies misinformation and other harmful content,” recently published in The New York Times, might catch people’s attention, but it isn’t supported by empirical evidence, the researchers say.
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