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Media Effects Research Lab

The Media Effects Research Laboratory is dedicated to conducting empirical research on the social and psychological effects of media messages and technology.

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<p>Second opinions from AI assistants may increase or decrease patient perceptions of doctor credibility and medical certainty, according to a study led by Penn State researchers.</p>

July 16, 2026

AI disagreement may shake patient trust in doctors

June 02, 2026

Less Interaction But More Explanation: A Communication Perspective on Agentic AI Interfaces

June 02, 2026

When an AI Says It Is False: User Responses to Misinformation Flagging by Automated vs. Human Fact-Checkers

<p>Large language models respond to everyday health queries with nearly 76% accuracy, raising concerns about their trustworthiness in real-world applications, according to a new study by Penn State researchers.</p>

May 28, 2026

Calling Doctor GPT: AI responses to healthcare queries are nearly 76% accurate

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