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Search: authors:"Sabine Tieck"

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Evaluating the risk of nonresponse bias in educational large-scale assessments with school nonresponse questionnaires: a theoretical study

Cortes 1 Sabine Tieck 0 0 IEA Data Processing and Research Center , Hamburg , Germany 1 Johannes-Gutenberg-University , Mainz , Germany Survey participation rates can have a direct impact on the validity