TY - JOUR T1 - Fixed is not the opposite of growth: Item keying matters for measuring mindsets AU - Gruning, David J. AU - Rammstedt, Beatrice AU - Lechner, Clemens M. PY - 2024 DO - 10.1007/s11218-023-09866-z SP - 2111 EP - 2127 JO - Social Psychology of Education VL - 27 SN - 1381-2890 ER -