Humans and Machines Lab

The Humans and Machines Lab is a research group within the Princeton CS department led by Manoel Horta Ribeiro. We are affiliated with the Center for Information Technology Policy and with Princeton HCI. We do research at the intersection of Computational Social Science, Human-Computer Interaction, and Artificial Intelligence.

Our research seeks to understand, design, and improve sociotechnical systems in the age of generative AI.

2025-11-10 🏆 Manoel was commended for his teaching at Princeton! (link)
2025-10-18 🎉 The very first cohort of Postdocs, PhD students, and MSc students joined the lab!
2025-10-18 🏆 Our paper on AI reviews got a best paper award (honorable mention) at CSCW (link)
2024-06-26 🏆 Two of our papers received best paper (honorable mention) awards at ICWSM! (link)
2024-05-19 📜 Paper out at Nature Human Behavior: "On the conversational persuasiveness of GPT-4" (link)
2025-02-13 📜 Paper accepted at CSCW 2025: "The AI Review Lottery: Widespread AI-Assisted Peer Reviews Boost Paper Scores and Acceptance Rates" (link)
2025-05-01 🐶 Cannoli joined the lab (photo)
2025-01-31 📜 Paper accepted at WebSci 2025: "The Effects of Enterprise Social Media on Communication Networks." (link)
2025-01-16 🎒 Manoel moved to the US to start as an Assistant Professor at Princeton! (link)