Misinformation & Information
In the digital age, information and misinformation spreads rapidly on social media. CSMaP experts study how we consume and share news online and the impact of misinformation on our democracy.
Academic Research
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Journal Article
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Working Paper
Misinformation Exposure Beyond Traditional Feeds: Evidence from a WhatsApp Deactivation Experiment in Brazil
Working Paper, May 2024
In most advanced democracies, concerns about the spread of misinformation are typically associated with feed-based social media platforms like Twitter and Facebook. These platforms also account for the vast majority of research on the topic. However, in most of the world, particularly in Global South countries, misinformation often reaches citizens through social media messaging apps, particularly WhatsApp. To fill the resulting gap in the literature, we conducted a multimedia deactivation experiment to test the impact of reducing exposure to potential sources of misinformation on WhatsApp during the weeks leading up to the 2022 Presidential election in Brazil. We find that this intervention significantly reduced participants’ exposure to false rumors circulating widely during the election. However, consistent with theories of mass media minimal effects, a short-term reduction in exposure to misinformation ahead of the election did not lead to significant changes in belief accuracy, political polarization, or well-being.
Reports & Analysis
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Analysis
Reducing Exposure To Misinformation: Evidence from WhatsApp in Brazil
Deactivating multimedia on WhatsApp in Brazil consistently reduced exposure to online misinformation during the pre-election weeks in 2022, but did not impact whether false news was believed, or reduce polarization.
August 16, 2024
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Analysis
Latinos Who Use Spanish-Language Social Media Get More Misinformation
That could affect their votes — and their safety from covid-19.
November 8, 2022
News & Commentary
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News
Online Misinformation Most Likely to be Believed by Ideological Extremists, New Study Shows
Findings reveal the importance of quickly addressing the spread of falsehoods
September 30, 2024
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News
What CSMaP Experts Are Watching Ahead of the 2024 Election: Part Three
From Kamala Harris memes to the nationalization of elections to election denialism, part three of our new series highlights several areas we’re looking at this year.
July 31, 2024