A Comparison of Four Probability-Based Online and Mixed-Mode Panels in Europe

Social Science Computer Review, vi, 8-25 S., 2016
Blom, Annelies G., Michael Bosnjak, Anne Cornilleau, Anne-Sophie Cousteaux, Marcel Das, Salima Douhou, Ulrich Krieger
ISSN: 0894-4393 (print); 1552-8286 (online)