TY - CPAPER TI - Functional Thinking: the Interrelation Between Students’ Function Conceptions and Their Representational Competencies AU - Digel, Susanne AU - Sproesser, Ute T2 - Proceedings of the International Group for the Psychology of Mathematics Education, Volume 1 PB - Psychology of Mathematics Education (PME) PY - 2026 SP - 1411 EP - 1418 SN - 2790-3648 KW - functional thinking KW - conceptions KW - representations KW - student competency KW - Rasch modelling UR - https://www.igpme.org/publications/RR_PME49/rr/digel-functional-thinking-the-interrelation-between-students-function-/ ER -