TY - CPAPER TI - Developing a Questionnaire on Quality Principles in Primary Mathematics Teaching: Incorporating Student and Expert Perspectives AU - Rothering, Sophia AU - Roesken-Winter, Bettina AU - Lehmann, Malte AU - Meyer-Jenßen, Lars T2 - Proceedings of the International Group for the Psychology of Mathematics Education, Volume 1 PB - Psychology of Mathematics Education (PME) PY - 2026 SP - 1235 EP - 1242 SN - 2790-3648 KW - Questionnaire KW - high-quality teaching KW - teacher professional development UR - https://www.igpme.org/publications/RR_PME49/rr/rothering-developing-a-questionnaire-on-quality-principles-in-primary-/ ER -