Augmenting survey data with digital trace data: Is there a threat to panel retention?

Journal of Survey Statistics and Methodology, vi, 541–552 S., 2023
Trappmann, Mark, Sebastian Bähr, Sonja Malich, Florian Keusch, Stefan Schwarz, Georg-Christoph Haas, Frauke Kreuter
ISSN: 2325-0984 (print), 2325-0992 (online)