Your social media feed isn't just biased; it's built to divide. Recent research, including my own study of the 2016 election, shows how platform design turns disagreement into contempt.
Reordering social media feeds alone shifted partisan warmth by more than 2 points in a 2025 field study.platforms first emerged, they were pitched as tools for connection—as a way to stay in touch with friends, share photos, and keep up with people you'd otherwise lose track of.
Unfortunately, that framing was always a little. Two decades in, the evidence is clear: Social media is less about connection and more about influence . And nowhere is that more visible than in If you've felt like political conversations on social media seem angrier, more extreme, and more exhausting than they used to be, you're not imagining it. And it's not just because people have gotten worse.
It's because the platforms are designed to make it that way.defined as the time you spend on the platform, the posts you react to, and the content you share. It turns out that the content most likely to capture and hold your, outrage, and moral indignation are particularly effective. Research has found that misinformation from political elites and extreme partisan content generates higher engagement than accurate, moderate information.
This is not because people are gullible, but because our cognitive systems are wired to prioritize threatening and emotionally charged signals . The consequences for real relationships are measurable. In a study my colleagues and I conducted in February 2017 , we surveyed 285 U.S. Facebook users about their social media experiences during the election period.
Nearly a third reported unfriending someone for political reasons, and 42.8 percent reported unfollowing people for the same reasons. Participants described arguments with their connections, observed others disagreeing more, and reported losing friends and family through the unfollow and unfriend features of the platform. Most reported increased psychological distress.
What makes this finding especially striking is that not one participant mentioned Russian disinformation or election interference as the cause of their interpersonal difficulties—even though these same users were the unknowing targets of a coordinated foreign influence operation . That gap—the gap between what people experienced and their understanding of what caused it—is exactly what makes influence operations so effective. The manipulation was invisible.
The damage to relationships was not.not necessarily disagreement about policy, but deepening animosity toward people on the other side. You don't just disagree with them; you find them threatening, contemptible, or incomprehensible. And social media is very good at producing that feeling, repeatedly, in your pocket, all day long.put this to a direct test. Researchers developed a browser extension that used a large language model to rerank posts in participants' X feeds.
This extension moved content expressing anti-democratic attitudes and partisan animosity lower in the feed without removing it entirely. In a preregistered 10-day field experiment with 1,256 participants conducted during the 2024 U.S. presidential campaign, reducing exposure to that content shifted how warmly participants felt toward the opposing political party by more than two points on a 100-point scale. And the effect held equally for liberals and conservatives .
The study's significance isn't just in the size of the effect; it's in what it reveals about cause and effect. The platform wasn't modified. People followed the same accounts as they had prior to the study. Only the order of what they saw changed, and that was enough to move the needle on how they felt about their fellow citizens.
First, recognize that your emotional reaction to political content on social media is a product of a system optimized to produce that reaction. That doesn't mean your views aren't your own—it means they're being pushed in a particular direction by an architecture you didn't choose and can't fully see. Awareness of influence is the first step toward resisting it.information deliberately.
Research suggests that exposure to diverse political perspectives on social media can reduce perceived polarization—though the effect depends on individual factors like political interest andThird, notice the difference between disagreement and contempt. Disagreement is normal, necessary, and healthy in a democracy. Contempt—the feeling that the other side isn't just wrong but beneath consideration—is what polarization actually produces, and it's what makes compromise and coexistence feel impossible.
If social media is consistently making you feel contempt rather than disagreement, the platform is working exactly as designed. Social media didn't create political division. But it has become extraordinarily effective at amplifying, monetizing, and, as the 2016 election showed, weaponizing it. Understanding that mechanism is the beginning of getting some control back.
Guadagno, R. E., Oilvieri, A. F., & Kimbrough, A.M. . Social Media in the aftermath of the 2016 US presidential election: Disruption at the cost of connection. Piccardi, T., Saveski, M., Jia, C., Hancock, J., Tsai, J. L., & Bernstein, M. S. . Reranking partisan animosity in algorithmic social media feeds alters affective polarization.
Weismueller, J., Gruner, R. L., Harrigan, P., Coussement, K., & Wang, S. . Information sharing and political polarisation on social media: The role of falsehood and partisanship. The Best Ways to Begin AgainSelf Tests are all about you. Are you outgoing or introverted?
Are you a narcissist? Does perfectionism hold you back? Find out the answers to these questions and more with Psychology Today.
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