@article{beyondfleschkincaidpromptbasedmetrics,
  title = {Beyond Flesch-Kincaid: Prompt-based Metrics Improve Difficulty Classification of Educational Texts},
  author = {Donya Rooein and Paul Rottger and Anastassia Shaitarova and Dirk Hovy},
  year = {2024},
  eprint = {2405.09482},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2405.09482v2},
}