The Efficacy of Digital Educational Interventions on Parental HPV Knowledge and Attitude, and Their Children's Vaccination Rates

video animation in 8 minutes to promote about HPV and HPV vaccine. the video is played in front of class using LCD projector.

Reseachers send reminder messages twice per vaccination event (e.g., 7 days and 1 day before vaccination event), with a total of four times sending reminder messages using the app on the smartphone.

this usual information (e.g., the HPV vaccination event) was delivered face-to-face by staff in front of class