Writing by non-native English speakers more frequently confused with AI
Seven AI detectors frequently misclassified writing by non-native English speakers. Changing the complexity of the vocabulary affected the AI's error rate.
Human-written text
By native English speakers
5.1% flagged as AI-written
By non-native English speakers
61.3% flagged as AI-written
Modified human-written text
By native English speakers, but modified with a simpler vocabulary
56.9% flagged as AI-written
By non-native English speakers, but modified with enhanced vocabulary
