Xiamen University

This study will enroll 18,000 female university students to see if a vaccine chatbot—alone or with educational videos—can increase HPV vaccination rates, awareness, and intention. Participants are randomly assigned to four groups: chatbot plus videos, chatbot only, videos only, o…

This study will test whether a chatbot that answers parents' questions about the HPV vaccine can increase vaccination rates among junior high school girls. About 18,000 parents will be split into four groups: some get the chatbot plus educational videos, some get only the chatbot…

This study tests a decision aid (BCT Aid) for 160 women newly diagnosed with breast cancer. The goal is to see if it helps them choose between breast-conserving surgery, mastectomy, or reconstruction with less confusion and regret, and improves their quality of life. Participants…