@article{estimatingllmgradingabilityandresponsedi, title = {Estimating LLM Grading Ability and Response Difficulty in Automatic Short Answer Grading via Item Response Theory}, author = {Longwei Cong and Sonja Hahn and Sebastian Gombert and Leon Camus and Hendrik Drachsler and Ulf Kroehne}, year = {2026}, eprint = {2605.00238}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2605.00238}, }