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Book review: Klara van Eyll: Voraussetzungen und Entwicklungslinien von Wirtschaftsarchiven bis zum Zweiten Weltkrieg
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Quality in unimode and mixed-mode designs: a multitrait-multimethod approach
Measurement invariance and quality of composite scores in a face-to-face and a web survey
The Three-Step Test-Interview (TSTI): an observation-based method for pretesting self-completion questionnaires
Measurement and adjustment of non-response bias based on non-response surveys: the case of Belgium and Norway in the European Social Survey Round 3
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