Hits 1-2 within 2 documents
Time and money: an empirical explanation of behaviour in the context of travel-mode choice with the German Microcensus [journal article]
Source: European Sociological Review, 19 (2003) 3. p.267-280
Are incentive effects on response rates and nonresponse bias in large-scale, face-to-face surveys generalizable to Germany? Evidence from ten experiments [journal article]
Source: Public Opinion Quarterly, 79 (2015) 3. p.740-768