Dominik Hirndorf
Twitter Web App : Tarik Abou-Chadi Ben W. Ansell Sure! 2019: N=3000 random sample (CATI, dual frame) among those are 172 people with Polish, 103 Russian, 232 Turkish roots and 327 Spätaussiedler (unweighted, boosted obviously, but then weighted based on German +18 population for the analysis).
No panel, but same design in 2015