Her research areas include human information behavior and web searching behavior, focusing on credibility assessment in the information seeking process. She has examined how to help people find credible information in online environments, and how people’s credibility assessments influence their information seeking strategies. In recent years, her research has focused on developing a conceptual framework of searching as learning. She has conducted research on assessing learning outcomes in web searching. Her long-term research goal is to design search systems that support critical thinking and creativity. Her research has been funded by the Institute of Museum and Library Services (IMLS), MacArthur Foundation, and Brainly, Inc.