Stars or numerals? How rating formats change consumer behavior

Researchers in the Cornell SC Johnson College of Business found that consumers tend to overestimate fractional star ratings and underestimate fractional Arabic numerals. In either case, the ratings can be misleading.

Machine learning uncovers social risk clusters linked to suicide across U.S.

Using machine learning technology, a new study has identified three distinct profiles describing social and economic factors that are associated with a higher risk of suicide.

Roper Center announces 2025 student fellows advancing public opinion research

The Roper Center for Public Opinion Research has announced its 2025 student fellows. This year’s cohort includes the W.E.B. Du Bois Fellow and three Kohut Fellows. These emerging scholars will advance data-driven research by contributing original scholarly work that uses Roper iPoll’s extensive survey archive.

Around Cornell

Research at risk: Keeping Navy divers safe with robot partners

Cornell researchers are working to understand how robots can assist humans in dangerous and physically challenging environments, but the project, which is funded by the U.S. Department of Defense, has been halted by a stop-work order.

Developers, educators view AI harms differently, research finds

Cornell researchers have found the developers of large language models and the educators who use them have different ideas about the potential harms they may cause, a finding that researchers say underscores the need for educators to be more involved in the tools’ development.

Carbon dioxide key to making a precise polymer safely

Cornell chemists have developed a user-friendly, scalable process for methacrylate that’s precisely controlled and mediated by carbon dioxide.

New perovskite design sets solar cells on path to stability

By finding the atomic equivalent of a perfect handshake between two types of perovskite, researchers at Cornell have built solar cells that are not only high-performing, but exceptionally durable.

Students showcase their innovative tech, from critters to catacombs

In between classes and extracurriculars, students showcasing their tech-based projects in the 2025 annual Bits On Our Minds could have been seeing friends or catching up on sleep. Instead they were using their free time to brainstorm, experiment, code and create.

Research at risk: Protecting national defense from cyberattacks

A Cornell-led assessment of vulnerabilities in the semiconductor supply chain and how to mitigate them is on hold after receiving a stop-work order.