Evaluating Active (Opt-In) and Passive (Opt-Out) Consent Bias in the Transfer of Federal Contact Data to a Third-Party Survey Agency

Journal of Survey Statistics and Methodology, vi, 382-416 S., 2016
Sakshaug, Joseph W., Alexandra Schmucker, Frauke Kreuter, Mick P. Couper, Eleanor Singer
ISSN: 2325-0984 (print); 2325-0992 (online)