Study Links Exceeding Screen Time Guidelines to Marginal Decline in Language Skills for 3-5 Year Olds

A recent study examined the impact of screen time on children’s cognitive development, specifically focusing on language skills and attention spans. Researchers found a correlation between increased screen time and a slight decrease in performance on language-based assessments, as well as a tendency towards shorter attention spans in children who spent more time using digital devices. The study tracked children between the ages of three and five over a one-year period, monitoring their screen time habits and conducting regular cognitive assessments. The research team collected data on daily screen time, including television viewing, tablet use, and smartphone interaction. They then compared this data to scores from standardized language tests, which measured vocabulary, grammar, and comprehension. Additionally, the researchers assessed attention spans through observation-based tasks requiring sustained focus. The results indicated that children who exceeded the recommended screen time guidelines, as suggested by the American Academy of Pediatrics, showed a marginal decline in language development scores compared to their peers who engaged in less screen time. Furthermore, these children exhibited a reduced ability to maintain focus during attention-based activities. The study highlights a potential association, but doesn’t establish any causation relationship between the two.

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Date: May 1, 2025

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Author

Mark Chiang

紐約 NYU Computer Science 碩士 紐澤西 UMDNJ Biomedical Informatics 博士 中研院博士後 台灣大學博士後