Lankeit, Elisa, and Rolf Biehler. “‘I Only Know the Absolute Value Function’–About Students’ Concept Images and Example Spaces Concerning Continuity and Differentiability.” Proceedings of the Third Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2020, 12-19 September 2020), edited by T. Hausberger et al., University of Carthage and INDRUM, 2020.

Kempen, Leander, et al. “Investigating High School Graduates’ Personal Meaning of the Notion of ‘Mathematical Proof.’” Proceedings of the Third Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2020, 12-19 September 2020), edited by T. Hausberger et al., University of Carthage and INDRUM, 2020, pp. 358–67.

Lankeit, Elisa, et al. “Votingfragen in den Übungen zur Analysis – Wirkung verschiedener Einsatzszenarien.”10.17877/DE290R-21396__Beiträge zum Mathematikunterricht 2020, edited by H.-S. Siller et al., WTM-Verlag, 2020, pp. 1361–64, doi:10.17877/DE290R-21396.

Schürmann, Mirko, et al. “Mathematics Learning Support Centres in Germany—an Overview.”10.1093/teamat/hraa007__Teaching Mathematics and Its Applications: An International Journal of the IMA, vol. 40, no. 2, Oxford University Press (OUP), 2020, pp. 99–113, doi:10.1093/teamat/hraa007.

Liebendörfer, Michael, et al. “The Role of Learning Strategies for Performance in Mathematics Courses for Engineers.” Proceedings of the Third Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2020, 12-19 September 2020), edited by T. Hausberger et al., University of Carthage and INDRUM, 2020.

Biehler, Rolf, et al. “studiVEMINTvideos – Mathematische Lernvideos zur Studienvorbereitung und Unterstützung im ersten Studienjahr.”10.17877/DE290R-21234__Beiträge zum Mathematikunterricht 2020, edited by H.-S. Siller et al., WTM, 2020, doi:10.17877/DE290R-21234.

Biehler, Rolf, et al. “Data Science Education in Secondary Schools: Teaching and Learning Decision Trees with CODAP and Jupyter Notebooks as an Example of Integrating Machine Learning into Statistics Education.” New Skills in the Changing World of Statistics Education Proceedings of the Roundtable Conference of the International Association for Statistical Education (IASE), edited by P. Arnold, ISI/IASE, 2020.

Budde, Lea, et al. “Data Science Education in Secondary School: How to Develop Statistical Reasoning When Exploring Data Using CODAP.” New Skills in the Changing World of Statistics Education: Proceedings of the Roundtable Conference of the International Association for Statistical Education (IASE), July 2020, edited by P. Arnold, ISI/IASE, 2020.

Liebendörfer, Michael, et al. “LimSt – Ein Fragebogen zur Erhebung von Lernstrategien im mathematikhaltigen Studium.”10.1007/s13138-020-00167-y__Journal für Mathematik-Didaktik, 2020, doi:10.1007/s13138-020-00167-y.

Schürmann, Mirko, et al. “Chancen Und Möglichkeiten Eines Netzwerks von Mathematischen Lernzentren in Deutschland - Bericht Zum Digitalen Lernzentrumsworkshop Am 22.10.2020.” Dghd-Newsletter, vol. 4/2020, 2020, pp. 24–26.