Dr. Koch-Weser's research interests are in health communication, health literacy, and Asian health. Her research addresses how people find, understand, and apply information when making health decisions. She has worked on a range of projects, including research into patient decision-making and consumer choice of health care services, programs to increase health literacy among high school students, product labeling to promote healthy behaviors, and developing a communication campaign to improve the quality of foods children bring from home to school. Dr. Koch-Weser has also been an active member of Tufts CTSI's Stakeholder & Community Engagement Program, Addressing Disparities in Asian Populations through Translational Research (ADAPT), which is a community-academic partnership based in Boston's Chinatown. As a member of this group she contributes methodological expertise to projects, including having led a community health survey of Chinatown residents. Currently project ADAPT is working to secure funding to advance collective impact projects designed to promote health by coordinating interventions and data collection across multiple agencies serving the Chinese community.