We sincerely invite eligible families to take part in this online research study

Eligibility Criteria

1. Children and their parents or guardians who previously completed Part One of this study on WJX.cn and have received this invitation
2. Children should be able to speak fluent Mandarin or Cantonese; parents should be able to read and write Chinese
3. Access to a computer or tablet equipped with a camera, microphone, and internet connection

Children will answer simple online questions while viewing pictures under the a researcher’s guidance; parents are required to complete an online questionnaire.

If you are interested, please provide valid contact information directly in the invitation questionnaire you received on WJX.cn. In case the eligibility criteria are met, the research team will contact you to arrange an online interview.

Participants who successfully completed the study will receive RMB 200 as compensation.

The entire study will be conducted online, with a flexible schedule (the session will take approximately 30–40 minutes).

Principal Investigator: Professor Ivy Wong

For enquiries, please contact the research assistant Dr. Sylvia Shi (syshi@cuhk.edu.hk)