A study of over 5,000 Italian students suggests that starting social media at ages 11 or 12 correlates with lower test scores. Researchers found that delaying account creation until 14 or 15 may protect academic achievement.

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The six-month schooling gap for 11-year-old users

Research published in the journal Nature Human Behaviour indicates a stark divide in academic outcomes based on when a child first enters the world of social media. According to the report,students who created accounts in sixth grade—typically between the ages of 11 and 12—scored 0.22 standard deviations lower in Italian and 0.18 standard deviations lower in mathematics by the time they reached eighth grade.

To put these numbers into a real-world perspective, the authors of the study note that a difference of 0.2 standard deviations is roughly equivalent to six months of schooling. This suggests that the cognitive or behavioral shifts associated with early social media use do not just cause a slight dip, but a substantial lag in core competency compared to peers who waited until ninth grade or later to join these platforms.

Why math scores dropped to 0.27 standard deviations by 10th grade

The academic deficit associated with early social media adoption does not simply vanish as students mature; in some cases, it actually accelerates. By the 10th grade, the gap in Italian scores remained steady at 0.22 standard deviations, but the disparity in mathematics widened to 0.27 standard deviations , as reported in the study of 5,227 students across 28 schools in northern Italy.

This widening gap suggests a cumulative effect where early distractions may hinder the development of the deep concentration required for advanced mathematical reasoning. The researchers observed a "dose-respoonse pattern," meaning that while those who joined in seventh or eighth grade also performed worse than late adopters, the damage was less severe than that seen in the earliest users.

The mystery of the unaffected English test scores

One of the most intriguing findings in the data is that early social media use had no evidence of affecting English-language test scores. While Italian and mathematics suffered, English proficiency remained stable regardless of when a student opened their first account. This creates a significant open question: why does digital distraction impair native language and logic skills but not a second language?

It remains unverified whether this is because English is more frequently the primary language of the social media platforms themselves, potentially providing an informal learning environment that offsets the negative effects of distraction. the study does not explicitly explain this anomaly , leaving a gap in the understanding of how different types of cognitive tasks interact with digital habits.

Chiara Respi's call for digital education and screen-free zones

Chiara Respi, a corresponding author from the University of Milano-Bicocca, suggests that simply imposing an age limit is insufficient. As Respi told Newsweek,any age restriction must be paired with a comprehensive digital education program involving both schools and families to promote the "constructive use" of these platforms.

The research linked lower scores to a lack of parental supervision and a higher frequency of phone checking.. To combat this, Respi encourages parents to protect screen-free time and foster face-to-face interpersonal interactions, which are essential for developing the critical thinking skills that social media algorithms often bypass.. The goal is to help children recognize the distracting nature of these apps before they become ingrained habits that jeopardize their academic trajectory.