No difference without item comparison! The effect of parallel item presentation on the self-efficacy of out-of-field physical education (PE) student teachers and qualified PE stude...

by Sebastian Liebl, Clemens Töpfer, Fabienne Ennigkeit
Published 2021-01-01

Effects of a Participatory School-Based Intervention on Students' Health-Related Knowledge and Understanding

by Helmut Strobl, Katharina Ptack, Clemens Töpfer, Ralf Sygusch, Susanne Tittlbach
Published 2020-04-01