Doris Hess
Werke:
- TwinLife survey methodology and fieldwork outcomes. Face-to-face survey of wave 3 (F2F 3a/b)
- TwinLife survey methodology and fieldwork outcomes. Telephone survey of wave 1 subsample b (CATI 1b)
- TwinLife survey methodology and fieldwork outcomes. Face-to-face survey of wave 2 (F2F 2a/b)
- TwinLife methodology and fieldwork outcomes. Telephone survey of wave 2 subsample a and b (CATI 2a/b, 2017 – 2019)