JHPS COVID-19 Special Survey, Wave4
- Target
The respondents of JHPS-COVID19 wave3.
- Survey preiod
The mid of October 2021 to the beginning of November 2021.
- Survey method
Respondents chose either mail survey or internet survey.
- The number of responses
3,314 (among those, 3,278 were the same sex and birthday as ones in JHPS/KHPS2020)
- Questionnaires
The 4th JHPS COVID-19 Special Survey (JHPS-COVID19) Questionnaires PDF