Hits 1-2 within 2 documents
Compensating for low topic interest and long surveys: a field experiment on nonresponse in web surveys [journal article]
Source: Social Science Computer Review, 25 (2007) 3. p.372-383
Participation in web surveys: a typology [journal article]
Source: ZUMA Nachrichten, 25 (2001) 48. p.7-17