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Kampa, Nele; Köller, Olaf – Science Education, 2016
National and international large-scale assessments (LSA) have a major impact on educational systems, which raises fundamental questions about the validity of the measures regarding their internal structure and their relations to relevant covariates. Given its importance, research on the validity of instruments specifically developed for LSA is…
Descriptors: Verbal Ability, Academic Standards, Biology, Literacy