A large international review has linked greater screen use among children with poorer development. The analysis covered 2.8 million children across 64 countries and identified associations involving academic achievement, anxiety and aggression.

The study found that higher screen use was linked with lower academic achievement. It also connected greater use with anxiety and aggression, placing several developmental concerns within the same broad pattern.

The findings extend beyond a single measure of child development. Academic performance, anxiety and aggression were each included among the outcomes associated with children spending more time using screens.

The review drew on information involving children in 64 countries. Its total population of 2.8 million children gave the analysis a wide international scope while focusing attention on the relationship between screen use and development.

Academic achievement formed one major part of the reported results. Children with higher screen use were linked with lower achievement, connecting greater time on screens with a poorer academic outcome in the review.

Anxiety was another concern associated with increased screen use. The study included it alongside academic achievement and aggression when describing the developmental outcomes linked with children spending more time on screens.

The review also found a link between higher screen use and aggression. This added a further area of concern to the reported pattern, which covered achievement as well as anxiety.

Across the three named outcomes, higher screen use consistently appeared alongside less favorable results. Academic achievement was lower, while anxiety and aggression were linked with greater use.

The study described these findings as links between screen time and developmental outcomes. Its central finding was that more screen use was associated with poorer child development across the large population reviewed.

The breadth of the analysis is reflected both in the number of children and the number of countries included. The review examined 2.8 million children drawn from 64 countries rather than focusing on a single national population.

That scale placed academic achievement, anxiety and aggression within an international examination of screen use. Each outcome contributed to the review’s broader finding that higher use was linked with poorer development among children.

Lower academic achievement represented the educational concern identified in the study. Anxiety and aggression added two further concerns, showing that the reported links involved more than academic results alone.

The findings therefore present screen use as being associated with several aspects of children’s development. The review specifically named lower academic achievement, anxiety and aggression rather than limiting its conclusions to a single outcome.

More screen time was the common factor across the reported associations. As screen use increased, the review found links with poorer academic achievement and with the concerns of anxiety and aggression.

The study’s central message is consistent across its reported findings. Among 2.8 million children across 64 countries, higher screen use was linked with poorer development, including lower academic achievement, anxiety and aggression.

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