Unverified50% confidenceFactExact time
Research by Northwestern University and other institutions based on PISA data shows adolescents trending downward on cognitive indicators such as attention and working memory, but whether the reversal of the Flynn effect holds is still debated in academia.
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50%
Confidence
Medium-term (~90 days)
Relevance
10/18/2026
First Seen
Valid until: 1/16/2027
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