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Research

Research Shows There Are No Easy Fixes to Political Hatred

A non-partisan team has found reducing polarization and “partisan animosity” is remarkably difficult.

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Research

OpenAI, DeepSeek, and Google Vary Widely in Identifying Hate Speech

Doctoral candidate Neil Fasching and Associate Professor Yphtach Lelkes have found dramatic differences in how large language models classify hate speech, with especially large variations for language about certain demographic groups, raising concerns about bias and disproportionate harm.

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Faculty News

Yphtach Lelkes Awarded 2025 Andrew Carnegie Fellowship

Lelkes will study how political hostility is shaped in an overloaded information environment.

Sarah Banet-Weiser, Yphtach Lelkes, Sarah J. Jackson, and Annenberg Media Lab Manager Anna Gamarnik record the "Annenberg Conversations" podcast
News

In New Podcast Series, Annenberg Scholars Examine Election Politics

The first season of “Annenberg Conversations” will explore the cutting-edge research on media and communication that shape our world.

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Research

New Study Reveals Democrats and Republicans Vastly Underestimate the Diversity of Each Other’s Views

A new study by Annenberg researchers has found that Democrats and Republicans consistently underestimate the diversity of views within each party on hot-button issues like immigration and abortion.

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Research

Unpacking Polarization

A Q&A with Annenberg Associate Professor Yphtach Lelkes, co-director of the Polarization Research Lab.

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Research

A New Study Shows That Political Polarization Between Americans Stays Consistent Before and After Elections

Neil Fasching and Yphtach Lelkes of the Polarization Research Lab looked at the U.S. 2022 midterms and found the election didn’t spike political polarization.

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Research

A New Tool Shows Few Elected Officials Spend Their Time Creating Conflict and It’s a Problem for Democracy

Americans of both parties are increasingly concerned about democratic backsliding and a loss of trust in our institutions. For the...

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Research

New Survey Shows Majority of Americans Believe at Least One Supreme Court Justice Should be Investigated for Ethical Lapses

Research from the the Polarization Research Lab finds that Americans overwhelmingly agree that the U.S. Supreme Court should not have more power.

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Research

Polarization Research Lab’s Path to 2024 Series Highlights Realities of American Attitudes

Focusing on corporate political action, AI, immigration, and more, the Polarization Research Lab aims to dispel myths about partisan beliefs.