Bilingualism has been reported to be positively associated with both metalinguistic awareness and third-language (L3) acquisition. In the present research, the assumptions were tested that literacy in both first (L1) and second (L2) language (full biliteracy) is needed for bilingualism to be positively associated with L3 reading proficiency, and that positive effects of full biliteracy on L3 reading proficiency are mediated through metalinguistic awareness. L1, L2 and L3 reading proficiency and metalinguistic awareness were measured in 299 German and Turkish-German secondary school students. Overall, fully biliterate students outperformed monolingual and partially biliterate students in both L3 (Δ R2 = .07) and metalinguistic awareness (Δ R2 = .06). An effect of full biliteracy on L3 reading proficiency persisted when SES, gender, general cognitive ability and school track were controlled for. In addition, within the group of biliterate students, positive effects of the individual degree of biliteracy on L3 reading proficiency could be shown to be an indirect effect that was mediated through metalinguistic awareness.

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This new book series collates key contributions to a fast-developing fi eld of education research. It is an international forum for theoretical and empirical studies exploring new and existing methods of collecting, analyzing, and reporting data from educational measurements and assessments. Covering a high-profi le topic from multiple viewpoints, it aims to foster a broader understanding of fresh developments as innovative software tools and new concepts such as competency models and skills diagnosis continue to gain traction in educational institutions around the world. Methodology of Educational Measurement and Assessment offers readers reliable critical evaluations, reviews and comparisons of existing methodologies alongside authoritative analysis and commentary on new and emerging approaches. It will showcase empirical research on applications, examine issues such as reliability, validity, and comparability, and help keep readers up to speed on developments in statistical modeling approaches. The fully peer-reviewed publications in the series cover measurement and assessment at all levels of education and feature work by academics and education professionals from around the world. Providing an authoritative central clearing-house for research in a core sector in education, the series forms a major contribution to the international literature.More information about this series at

In der PISA-Studie 2018 wurde als innovative Domäne erstmals Global Competence bei fünfzehnjährigen Schülerinnen und Schülern erfasst. In dieser Zusatzerhebung werden das selbsteingeschätzte Wissen von Schülerinnen und Schülern zu Themen mit lokaler und globaler Bedeutung (z. B. Klimawandel, Armut, Pandemien) sowie ihre von ihnen berichteten Einstellungen zu globalen und interkulturellen Themen in den Blick genommen. Dabei geht es beispielsweise um den respektvollen Umgang mit Menschen unterschiedlicher nationaler Herkunft und entsprechend ethnischem, religiösem, sozialem oder kulturellem Hintergrund. Diese Broschüre stellt die Ergebnisse der Schülerinnen und Schüler in Deutschland aus der Zusatzauswertung Global Competence bei der PISA-Studie 2018 vor und betrachtet diese im internationalen Vergleich. Zusätzlich werden die Sicht der Schulleitungen und Lehrkräfte in den verschiedenen Schularten sowie die Sicht der Eltern einbezogen.