Using awe to encourage adults to take preventive steps like vaccination, mask-wearing, and social distancing

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This nested randomized controlled trial recruits adults who participated in a prior online longitudinal survey and agreed to be recontacted, randomizing them 1:1 to an awe-induction or a neutral-imagination control delivered online. The intervention is delivered approximately four months after the baseline assessment (Feb–Mar 2026) and outcomes are measured by intentions to engage in prosocial preventive behaviours such as vaccination, mask-wearing, and social distancing. The trial is implemented across Hong Kong, Singapore, and ten major Mainland China cities using online surveys and brief experimental tasks. Analyses will compare post-intervention intentions between groups and examine whether effects differ by site.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Adults (age ≥18 years) who live in
* Hong Kong, Singapore, and ten major cities in Mainland China (Beijing, Shanghai, Guangzhou, Shenzhen, Hangzhou, Chongqing, Chengdu, Wuhan, Xi'an, Nanjing) over the past one year
* Able to read and understand written Chinese or English
* Have access to the internet through computers, mobile phones, or tablets

Exclusion Criteria:

* Individuals with cognitive or linguistic difficulties that would prevent them from completing an online survey will be excluded.

Where it's running

• University of Hong Kong School of Public Health
  Hong Kong, Hong Kong Recruiting

Study contacts

• Study coordinator: Qiuyan Liao
• Email: qyliao11@hku.hk
• Phone: 39179289

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.