Hits 1-3 within 3 documents
The effect of incentives on response rates and panel attrition: results of a controlled experiment [journal article]
Source: Survey Research Methods, 2 (2008) 3. p.151-158
Hits 1-3 within 3 documents
Author(s): Pforr, Klaus.- 2016. 4p.
Author(s): Castiglioni, Laura; Pforr, Klaus; Krieger, Ulrich
Source: Survey Research Methods, 2 (2008) 3. p.151-158
Author(s): Pforr, Klaus.- 2015. 6p.