Hits 1-3 within 3 documents
Collecting genetic samples in population wide (panel) surveys: feasibility, nonresponse and selectivity [journal article]
Source: Survey Research Methods, 4 (2010) 2. p.121-126
The influence of the design of web survey questionnaires on the quality of responses [journal article]
Source: Survey Research Methods, 2 (2008) 1. p.21-32
A comparison of the invariance properties of the PVQ-40 and the PVQ-21 to measure human values across German and Polish Samples [journal article]
Source: Survey Research Methods, 6 (2012) 1. p.37-48