Author

Ernesto Guerra

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#generative ai Open access Oct 2026

Generative AI use and the 2022–2025 decline in PISA performance across countries

Generative artificial intelligence (AI) has spread rapidly among students since 2022, and PISA 2025 recorded its lowest results. In a preregistered study, we related four independent country-level AI-use measures to the mathematics, reading and science PISA performance of 15-year-olds. Countries with more AI use scored...

Ernesto Guerra, Асланов Иван Александрович · 0 citations

#generative ai Open access Sep 2026

The Cognitive Trade-off: A Correlational Analysis of Artificial Intelligence Usage and Adolescent Academic Performance

Recent international evaluations show a decline in adolescent literacy and complex cognitive skills. The decline is clearest in capacities needed in the digital era, such as evaluating information, integrating multiple sources, and critical reading (OECD, 2026). This drop has been most pronounced among socio-economical...

Ernesto Guerra, Ivan A. Aslanov · Open Science Framework · 0 citations