@article{LieblToepferEnnigkeit2021,
  author    = {Sebastian Liebl and Clemens T{\"o}pfer and Fabienne Ennigkeit},
  title     = {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 student teachers},
  journal   = {Cogent education},
  volume    = {8},
  number    = {art. 1921902},
  pages     = {1 -- 15},
  doi       = {10.1080/2331186X.2021.1921902},
  year      = {2021},
}