Effectiveness of "naturalness" value-based narrative intervention on vaccination acceptance in two randomized controlled trials.

ABSTRACT: Conventional vaccine risk communication, which emphasizes scientific facts about vaccine or disease risks, often overlooks laypeople's values and fails to increase vaccination acceptance. This study developed and tested a participant-informed, value-embedded narrative intervention to improve vaccination acceptance among Hong Kong parents and adults. Two message types were created: a standard message framing vaccines as a medical technology (Med-Tech) and a naturalness-oriented framing (Immune-Trainer), both incorporated narrative communication and imagination simulation. In Study 1, 631 parents were randomly assigned to control, Med-Tech, or Immune-Trainer groups. The Immune-Trainer group showed more positive affective attitudes, generated more naturalness-related cues, and reported higher

SUBMITTER: Yuan J 

PROVIDER: S-EPMC12859131 | biostudies-literature | 2026 Jan

REPOSITORIES: biostudies-literature