S. Shyam Sundar

S. Shyam

James P. Jimirro Professor of Media Effects,
Co-Director, Media Effects Research Laboratory


  • Social Sciences
  • Journalism & Media
  • Telecommunications

Focus Areas:

  • Communication
  • Emotional and Cognitive Effects of Media
  • Artificial Intelligence
  • Customized and Personalized Media
  • Fake News
  • Interactive Media
  • Mobile Media
  • Online Credibility
  • Online Privacy
  • Psychological Effects of Digital Media Technologies
  • Social Media
  • Virtual Assistants


  • S. Shyam Sundar is available to comment on the rampant misinformation and fake news surrounding the COVID-19 pandemic and the vaccines, in particular, as well as how trustworthy internet-based information sources can be identified.

S. Shyam Sundar is the James P. Jimirro Professor of Media Effects and a co-director of the Media Effects Research Laboratory at Penn State. His research investigates social and psychological effects of technological elements in digital media, from websites and social media to smartphones and robots. His research includes extensive examination of online sources and fake news on a variety of platforms. He also studies human responses to machine sources such as chatbots, smart speakers, and other forms of artificial intelligence.

Sundar is a Fellow of the International Communication Association and recipient of the Paul J. Deutschmann Award for Excellence in Research from the Association for Education in Journalism and Mass Communication. He is a frequently cited source on technology who has testified before Congress as an expert witness.

In The Media

"Social media is kind of inherently prone to bandwagons. In fact, that's how social media survives." - S. Shyam Sundar

"We are likely to be less deliberate in our tweets and online posts when composing them on our phones compared to our laptops." - S. Shyam Sundar

“I think in general, people with low self-esteem tend to be more concerned about their image on any media and they more carefully craft it in order to project their best identity.” - S. Shyam Sundar

Why Do Older People Love Facebook? Let’s Ask My Dad

from The New York Times May 14, 2016

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