@article{ontheperceptionofdifficultydifferences,
  title = {On the Perception of Difficulty: Differences between Humans and AI},
  author = {Philipp Spitzer and Joshua Holstein and Michael Vössing and Niklas Kühl},
  year = {2023},
  eprint = {2304.09803},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2304.09803v1},
}