Hits 31-37 within 37 documents
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
Erhebliche Kompetenzunterschiede im Erwachsenenalter nach Bildungsgruppen: Ergebnisse von PIAAC 2012 [journal article]
Source: Informationsdienst Soziale Indikatoren, (2014) 52. p.1-5