@article{isitthinkingorcheatingdetectingimplicitr,
  title = {Is It Thinking or Cheating? Detecting Implicit Reward Hacking by Measuring Reasoning Effort},
  author = {Xinpeng Wang and Nitish Joshi and Barbara Plank and Rico Angell and He He},
  year = {2025},
  eprint = {2510.01367},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2510.01367},
}