Martin Ohrndorf

Mathematics Education for Secondary Level

with the focusses

Processes of learning and understanding of functions with multimedia
Examination of explainer videos with regard to learning goal taxonomies, quality criteria and the subjective acceptance of the validity (German: Geltung) of contents
Processes of learning and understanding functional thinking by examining the eye movements of students

Martin Ohrndorf has been a doctoral student and research associate of Prof. Dr. Maike Vollstedt at the University of Bremen. His research interests lie in the area of processes of learning and understanding of functions with multimedia. On the one hand, he is interested in examining the design of multimedia learning environments, for example through an analysis of quality criteria, taxonomies of learning objectives and the subjective acceptance of the validity (German: Geltung) of contents. On the other hand, his interest lies in the area of processes of learning and understanding functional thinking, which he investigates, among other things, by analyzing the eye movements of students (eye tracking).

Office: MZH 5070
Tel: +49 421 218 59862
e-Mail: ohrndorf@uni-bremen.de

Reviewed conference and journal papers are marked with an asterisk (*).

Ohrndorf, M., Meißner, I., Schmidt-Borcherding, F., & Vollstedt, M. (in press). „What are functions and how do they work? You'll find out by watching this explainer video“ – A mixed-methods study on opportunities to understand the function concept? Beiträge zum Mathematikunterricht 2024.

* Ohrndorf, M., Vollstedt, M., & Schmidt-Borcherding, F. (2024). Zur Akzeptanz von fachlichen Inhalten aus Erklärvideos zu Funktionen – Eine methodologische Studie zur Herstellung von Geltung. Journal Für Mathematik-Didaktik, 45(2). https://doi.org/10.1007/s13138-024-00249-1

Vollstedt, M., Hatisaru, V., Ohrndorf, M., & Thomaneck, A. (Eds.). (2024). Special Issue: The International Conference of Mathematical Views 2021: Selected Papers (Vol. 12). International Journal on Math, Science and Technology Education (LUMAT). https://doi.org/10.31129/LUMAT.12.1

* Ohrndorf, M., Meißner, I., Schmidt-Borcherding, F., & Vollstedt, M. (2023). Reconstruction of opportunities to understand the function concept from online explainer videos. In P. Drijvers, C. Csapodi, H. Palmér, K. Gosztonyi, & E. Kónya (Eds.), Proceedings of the Thirteenth Congress of the European Society for Research in Mathematics Education (CERME13) (pp. 3011–3018). https://hal.science/hal-04420570

Ohrndorf, M., Vollstedt, M., & Schmidt-Borcherding, F. (2023). Ohrndorf, M., Vollstedt, M., & Schmidt-Borcherding, F. (2023). Rekonstruktion von Angeboten zur Herstellung von Geltung in Erklärvideos zu Funktionen – (Wie) geht das? Beiträge Zum Mathematikunterricht 2022, 1073-1076. https://doi.org/10.17877/DE290R-23389

Ohrndorf, M. (2021). Verstehen verstehen. Eine Pilotstudie zur Überprüfung der Eye-Mind-Hypothese bei multimedialen Lernprozessen von Funktionen. WTM-Verlag Münster. https://doi.org/10.37626/GA9783959873000.0

05.03.2024	”What are functions and how do they work? You'll find out by watching this explainer video” – A mixed-methods study on opportunities to understand the function concept	57th Annual Conference of the Society for Didactics of Mathematics (GDM 2024) at the University of Duisburg-Essen, Germany
18.09.2023	Lernen mit Erklärvideos: Der Einfluss von Verstehensangeboten auf das Verstehen mathematischer Funktionen	19th Specialist Group Conference on Educational Psychology (PAEPS) at the Christian-Albrechts-Universität zu Kiel (CAU) at the Leibniz Institute for Science and Mathematics Education (IPN) in Kiel, Germany
11.07.2023	Reconstruction of opportunities to understand the function concept from online explainer videos	13th Congress of the European Society for Research in Mathematics Education (CERME13) an der Eötvös Loránd University (ELTE) am Alfréd Rényi Institute of Mathematics in Budapest, Hungary
31.08.2022	Rekonstruktion von Angeboten zur Herstellung von Geltung in mathematischen Erklärvideos: (Wie) geht das?	56th Annual Conference of the Society for Didactics of Mathematics (GDM 2022) at Goethe University Frankfurt, Germany
16.03.2022	Rekonstruktion von Angeboten zur Herstellung von Geltung in mathematischen Erklärvideos: (Wie) geht das?	28th Congress of the German Society for Educational Science (DGfE 2022) digital

Updated by: Thomas Janßen

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