How long do respondents think online surveys should be? New evidence from two online panels in Germany

International Journal of Market Research
,
vi, 538–545 S.
,
2020,

Revilla, Melanie, Jan Karem Höhne
ISSN: 1470-7853(print), 2515-2173 (online)
DOI: 
10.1177/1470785320943049
Abstract