Communications

Despite escalating anti-vaccine rhetoric, most Americans support vaccine mandates, surveys find

Kathleen Hall Jamieson of the Annenberg Public Policy Center comments on vaccine mandates.

AI models are struggling to identify hate speech, study finds

Yphtach Lelkes of the Annenberg School for Communication led research showing that AI is inconsistent in its ability to classify what counts as hate speech.

Researchers studied how Google, OpenAI, Anthropic, and DeepSeek identify hate speech. Here’s how they vary

A study by Yphtach Lelkes and doctoral student Neil Fasching of the Annenberg School for Communication finds that different AI models produce different definitions of hate speech for the same content, undermining consistency and predictability.

The Neuroscience of decision-making

Emily Falk of the Annenberg School of Communication discusses her new book, “What We Value: The Neuroscience of Choice and Change.”

The business of balance

Kathleen Hall Jamieson of the Annenberg Public Policy Center discusses news sources and biases.

Winning the battle against yourself

Emily Falk of the Annenberg School for Communication discusses why human minds often conspire against their own best interests and how they can regain control.

Welcome to wplace: A chaotic, collaborative digital canvas where users ‘paint the world’

Jessa Lingel of the Annenberg School for Communication says that the long arc of internet history does not bend towards self-regulation or responsibility.

A screenshot of a Replika chatbot screen.

What is real about human-AI relationships?

In a new paper, Annenberg School for Communication doctoral student Arelí Rocha explores how people discuss their relationships with AI chatbots.

2 min. read

Which anti-vaping messages work for LGBTQ+ youth?

To understand how to reduce vaping among LGBTQ+ youth, researchers at Penn’s Annenberg School for Communication spoke to young Americans about anti-vaping messages on social media. They found that sexual and gender minority youth are more likely to vape, but there aren’t many anti-vaping campaigns designed specifically for them.

Project Unloaded empowers Chicago teens to change the narrative on guns and violence through social media

PIK Professor Desmond Patton says that Project Unloaded in Chicago is unique in its campaign-driven efforts to combat gun violence.

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