conference paper yes Katharina Knaudt author Raja Herold-Blasius author 126182 Christoph Selter author https://ris.uni-paderborn.de/download/65880/65881/2025_CERME_Knaudt-348.pdf application/pdfno 2026 eng https://hal.science/hal-05334687v1 1–8 Knaudt, Katharina, et al. “Intertwining Theory and Practice: Design of Planning Phases in PD Training to Support Effective Teacher Planning Processes.” <i>Proceedings of the Fourteenth Congress of the European Society for Research in Mathematics Education (CERME14</i>, 2026, pp. 1–8, doi:<a href="https://hal.science/hal-05334687v1">https://hal.science/hal-05334687v1</a>. @inproceedings{Knaudt_Herold-Blasius_Selter_2026, title={Intertwining theory and practice: Design of planning phases in PD training to support effective teacher planning processes}, DOI={<a href="https://hal.science/hal-05334687v1">https://hal.science/hal-05334687v1</a>}, booktitle={Proceedings of the Fourteenth Congress of the European Society for Research in Mathematics Education (CERME14}, author={Knaudt, Katharina and Herold-Blasius, Raja and Selter, Christoph}, year={2026}, pages={1–8} } Knaudt K, Herold-Blasius R, Selter C. Intertwining theory and practice: Design of planning phases in PD training to support effective teacher planning processes. In: <i>Proceedings of the Fourteenth Congress of the European Society for Research in Mathematics Education (CERME14</i>. ; 2026:1–8. doi:<a href="https://hal.science/hal-05334687v1">https://hal.science/hal-05334687v1</a> K. Knaudt, R. Herold-Blasius, and C. Selter, “Intertwining theory and practice: Design of planning phases in PD training to support effective teacher planning processes,” in <i>Proceedings of the Fourteenth Congress of the European Society for Research in Mathematics Education (CERME14</i>, 2026, pp. 1–8, doi: <a href="https://hal.science/hal-05334687v1">https://hal.science/hal-05334687v1</a>. Knaudt, K., Herold-Blasius, R., &#38; Selter, C. (2026). Intertwining theory and practice: Design of planning phases in PD training to support effective teacher planning processes. <i>Proceedings of the Fourteenth Congress of the European Society for Research in Mathematics Education (CERME14</i>, 1–8. <a href="https://hal.science/hal-05334687v1">https://hal.science/hal-05334687v1</a> K. Knaudt, R. Herold-Blasius, C. Selter, in: Proceedings of the Fourteenth Congress of the European Society for Research in Mathematics Education (CERME14, 2026, pp. 1–8. Knaudt, Katharina, Raja Herold-Blasius, and Christoph Selter. “Intertwining Theory and Practice: Design of Planning Phases in PD Training to Support Effective Teacher Planning Processes.” In <i>Proceedings of the Fourteenth Congress of the European Society for Research in Mathematics Education (CERME14</i>, 1–8, 2026. <a href="https://hal.science/hal-05334687v1">https://hal.science/hal-05334687v1</a>. 658802026-06-15T10:10:05Z2026-06-24T07:01:42Z