Citing data from the Program for International Student Assessment taken from 15-year-olds around the world, Horvath revealed it’s not just a dip in test scores, but also a correlation between these slumping scores and how much time students spend on computers, such that more time in front of screens was associated with worse scores.
数据来源：国家统计局、生态环境部、海关总署等，推荐阅读体育直播获取更多信息
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