Thus, our study of
teaching practices in heterogeneous groups of multi-grade classes is a topical issue from the perspective of ongoing school
106 E.K. Hyry-Beihammer, T. Hascher/International Journal of Educational Research 74 (2015) 104–113
reforms; we seek to contribute to the understanding of the qualities and prerequisites for good teaching in heterogeneous
student groups and the related requirements for professional teacher education