Another study gives a disturbing picture of the consequences of screen time for young people. In an observational study, funded by the National Institutes for Health and published in the Lancet, researchers focused on 4,500 children between the ages of 8 and 11 and found that kids who spent more than two hours a day in front of screens “were linked to poorer cognition.”
Using data collected over a ten-year period by the Adolescent Brain Cognitive Development study, the observational study showed that cutting back on screen time and getting more sleep (or doing either one) was linked to improvements in global cognition.
The study is an addition to an increasing body of literature indicating that screen time is associated with negative consequences for student learning. These findings should give pause to those who claim positive benefits from increased use of educational technology.
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