1. An integrative study on learning and testing with multimedia: Effects on students’ performance and metacognition

    Lindner, M. A., Eitel, A., Barenthien, J. & Köller, O. 03.2018 In : Learning and Instruction.

    Publication: Research - peer-reviewJournal articles

  2. An intensive longitudinal study on the development of student achievement over two years (LUISE)

    Hülür, G., Gasimova, F., Robitzsch, A. & Wilhelm, O. 2017 Competence assessment in education: Research, models and instruments. Leutner, D., Fleischer, J., Grünkorn, J. & Klieme, E. (eds.). Cham: Springer (Methodology of Educational Measurement and Assessment)

    Publication: Research - peer-reviewContributions to collected editions/anthologies

  3. An intervention including an online game to improve grade 6 students' performance in early algebra

    Kolovou, A., van den Heuvel-Panhuizen, M. & Köller, O. 05.2013 In : Journal for Research in Mathematics Education. 44, 3, p. 510-549

    Publication: Research - peer-reviewJournal articles

  4. An inventory for measuring student teachers’ knowledge of chemical representations: design, validation, and psychometric analysis

    Taskin, V., Bernholt, S. & Parchmann, I. 2015 In : Chemistry Education Research and Practice. 16, 3, p. 460-477

    Publication: Research - peer-reviewJournal articles

  5. Anlage der BERLIN-Studie und Fragestellungen des vorliegenden Bandes

    Neumann, M., Maaz, K., Baumert, J., Becker, M., Kropf, M., Jansen, M. & Köller, O. 2017 Zweigliedrigkeit im deutschen Schulsystem: Potenziale und Herausforderungen in Berlin . Neumann, M., Becker, M., Baumert, J., Maaz, K. & Köller, O. (eds.). Münster: Waxmann, p. 39-54

    Publication: Research - peer-reviewContributions to collected editions/anthologies

  6. Anlage und Durchführung der Studie

    Leucht, M. & Köller, O. 2016 Fachleistungen beim Abitur: Vergleich allgemeinbildender und beruflicher Gymnasien in Schleswig-Holstein. Leucht, M., Kampa, N. & Köller, O. (eds.). Münster: Waxmann, p. 79-98

    Publication: Research - peer-reviewContributions to collected editions/anthologies

  7. An out-of-school practical exercise: An examination of different DNA methylation conditions using a restriction assay

    Heyduck, B. & Harms, U. 2015 In : Journal of Biological Education. 49, 2, p. 179-189

    Publication: Research - peer-reviewJournal articles

  8. Antecedents of teachers’ emotions in the classroom: An intraindividual approach

    Becker, E., Keller, M. M., Goetz, T., Frenzel, A. C. & Taxer, J. L. 2015 In : Frontiers in Psychology. 6, 635

    Publication: Research - peer-reviewJournal articles

  9. Antikörper: warum helfen sie nicht immer?

    Harms, U. 2012 In : Unterricht Biologie. 36, 372, p. 39-44

    Publication: TransferJournal articles

  10. A person-centered approach to homework behavior: Students’ characteristics predict their homework learning type

    Flunger, B., Trautwein, U., Nagengast, B., Lüdtke, O., Niggli, A. & Schnyder, I. 2017 In : Contemporary Educational Psychology. 48, January 2017, p. 1-15

    Publication: Research - peer-reviewJournal articles

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