An’s research mainly concerns the design and evaluation of interactive health communication campaigns, the benefits of online social support groups for cancer and other health related cognitions and behaviors, and statistical methods and research design. Han has developed programs of research on (a) antecedents and consequences of engagement with various eHealth initiatives, particularly focusing on theory and measurement development, (b) transaction logfile analysis, a unique method to probe interaction between computer and human, and (c) message expression and reception effects, particularly within online social media tools. Articles presenting this work appear in leading communication, psychology, and public health journals: Computers in Human Behavior, Health Communication, Health Education Research, International Journal of Medical Informatics, Journal of Broadcasting & Electronic Media, Journal of Communication, Journal of Computer-Mediated Communication, Journal of Health Communication, Journal of Health Psychology, Mass Communication and Society, Patient Education and Counseling, Psycho-Oncology, and Translational Behavioral Medicine
