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arXiv · 2511.23439

ML Researchers Support Openness in Peer Review But Are Concerned About Resubmission Bias

Vishisht Rao·Justin Payan·Andrew McCallum·Nihar B. Shah
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Abstract

Peer-review venues have increasingly adopted open reviewing policies that publicly release anonymized reviews and permit public commenting. Venues have adopted a variety of policies, and there is still ongoing debate about the benefits and drawbacks of decisions. To inform this debate, we surveyed 2,385 reviewers, authors, and other peer-review participants in machine learning to understand their experiences and opinions. Our key findings are: (a) Preferences: Over 80% of respondents support releasing reviews for accepted papers and allowing public comments. However, only 27.1% support releasing rejected manuscripts. (b) Benefits: Respondents cite improved public understanding (75.3%) and reviewer education (57.8%), increased fairness (56.6%), and stronger incentives for high-quality reviews (48.0%). (c) Challenges: The top concern is resubmission bias, where rejection history biases future reviewers (ranked top impact of open reviewing by 41% of respondents, and mentioned in over 50% of free responses). Other challenges include fear of reviewer de-anonymization (33.2%) and potential commenting abuse. (d) AI and open peer review: Participants believe open policies deter "AI slop" submissions (71.9%) and AI-generated reviews (38.9%). Respondents are split regarding peer-review venues generating official AI reviews, with 56.0% opposed and 44.0% supportive. Finally, we use AI to annotate 4,244 reviews from ICLR (fully open) and NeurIPS (partially open). We find that the fully open venue (ICLR) has higher levels of correctness and completeness than the partially open venue (NeurIPS). The effect size is small for correctness and very small for completeness, and both are statistically significant. We also find that there is no statistically significant difference in the level of substantiation. We release the full dataset at https://github.com/justinpayan/OpenReviewAnalysis.

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Vishisht Rao, Justin Payan, Andrew McCallum, Nihar B. Shah. 2025-11-28. ML Researchers Support Openness in Peer Review But Are Concerned About Resubmission Bias. https://arxiv.org/abs/2511.23439

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