TY - CPAPER TI - Knowledge Categories for Supporting Teacher Learning: Exploring Facilitators' Focus AU - Dreier, Marie AU - Seibold, Tjorven AU - Roesken-Winter, Bettina T2 - Proceedings of the International Group for the Psychology of Mathematics Education, Volume 1 PB - Psychology of Mathematics Education (PME) PY - 2026 SP - 363 EP - 370 SN - 2790-3648 KW - professional development KW - facilitators KW - knowledge categories UR - https://www.igpme.org/publications/RR_PME49/rr/dreier-knowledge-categories-for-supporting-teacher-learning-exploring-/ ER -