The project is a longitudinal study with four measurement times. It applies to mathematics and German classes. Data collection takes place at the beginning (T1) and in the middle / end (T2) of the 2023/2024 school year as well as at the beginning (T3) and in the middle / end (T4) of the 2024/2025 school year. Students in the eighth and ninth grade, as well as their mathematics and German teachers from schools in Brandenburg and Mecklenburg-Western Pomerania, are being surveyed.

_{Photo: Elisa Michelchen}