AI’s personality-reading powers aren’t always what they seem, study finds

Image credit: Gordon Johnson via Pixabay. Article by Eric W. Dolan. PsyPost –  August 9, 2025. Research article: PLOS One.

A recent PLOS One study shows that AI can identify personality traits from writing, but its reliability depends on the data it’s trained on. Researchers found that some models achieve high accuracy by spotting obvious hints — such as writers explicitly mentioning their personality type — rather than interpreting subtle linguistic patterns. When these direct clues were removed, performance dropped, indicating that some seemingly impressive results may not reflect a true understanding of personality. […]

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