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Open original source ↗Smartphones + computers in class are having a negative effect on our kids’ test scores…
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More evidence that the global decline in test scores that began after 2012 is linked to the proliferation of smartphones and computers in class: The slide was bigger in countries where students began spending more time on devices (for leisure) https://t.co/HbzevWcG9e https://t.co/7UipvTgZvS
JonHaidt ↗