Hits 1-3 within 3 documents
Personalisation in advance letters does not always increase response rates: demographic correlates in a large scale experiment [journal article]
Source: Survey Research Methods, 5 (2011) 1. p.11-20
A Monte Carlo sample size study: how many countries are needed for accurate multilevel SEM? [journal article]
Source: Survey Research Methods, 3 (2009) 1. p.45-58
Reduction of nonresponse bias through case prioritization [journal article]
Source: Survey Research Methods, 4 (2010) 1. p.21-29