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Research Note: Reducing the Threat of Sensitive Questions in Online Surveys?
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Measurement invariance and quality of composite scores in a face-to-face and a web survey
Multilevel Modelling of Country Effects: A Cautionary Tale
What do web survey panel respondents answer when asked “Do you have any other comment?”
Interactive coding in the field: a test
Personalisation in advance letters does not always increase response rates: demographic correlates in a large scale experiment
Quality in unimode and mixed-mode designs: a multitrait-multimethod approach
Measuring altruistic behavior in surveys: the all-or-nothing dictator game
The impact of method bias on the cross-cultural comparability in face-to-face surveys among ethnic minorities
The ethnic diversity and collective action survey (EDCAS): technical report