## AI Slop Is Already in Your Training Dataset. I Tested Three Ways to Spot It. My AI detectors flagged many genuine reviews, and filtering them made the sentiment model less accurate. In their 2024 International Conference on Machine Learning paper, Monitoring AI-Modified Content at Scale: A Case Study on the Impact of ChatGPT on AI Conference Peer Reviews, Weixin Liang, Zachary Izzo, and their coauthors built a statistical method for estimating how much text in a large collection had been substantially written or rewritten by a large language model, an artificial intelligence system that…