Guides

What detectors measure, what the published studies found, and what a score can and cannot support. Each guide cites the study or the policy it rests on, with the date it was read.

• How AI detectors workPerplexity, burstiness, classifiers and watermarks, and what each can and cannot see.
• Are AI detectors accurateWhat the published figures say, the false positives, and who gets flagged most.
• How to tell if something is written by AIThe patterns a careful reader notices, and why none of them is proof.
• AI detectors for teachersWhat a score can support, what it cannot, and what universities decided.