TY  - CPAPER
TI  - How to Make 4c/id Visible? an Online Professional Learning Environment for Mathematics Teachers on Diagnosing and Supporting Problem Solving
AU  - Neck, Melanie
AU  - Leuders, Timo
AU  - Reinhold, Frank
T2  - Proceedings of the International Group for the Psychology of Mathematics Education, Volume 1
PB  - Psychology of Mathematics Education (PME)
PY  - 2026
SP  - 1067
EP  - 1074
SN  - 2790-3648
KW  - 4C/ID
KW  - problem-solving
KW  - professional development
UR  - https://www.igpme.org/publications/RR_PME49/rr/neck-how-to-make-4c-id-visible-an-online-professional-learning-environ/
ER  -