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  3. Middle-class teenagers are less intelligent than a generation ago due to the

Middle-class teenagers are less intelligent than a generation ago due to the

游客2025-01-14  41
问题     Middle-class teenagers are less intelligent than a generation ago due to the dumbing down of youth culture and school tests, a new study suggests. IQ tests show that scores for the average 14- year-old have dropped by more than two points between 1980 and 2008. For those in the upper half of the intelligence scale--a group typically dominated by the children of middle-class families-- average IQ scores were six points down on 28 years ago. It is the first time IQ scores have fallen for any age group during the past century.
    Leisure time is increasingly taken up with playing computer games and watching TV instead of reading and holding conversations. Education experts said a growing tendency in schools to "teach to the test" was affecting youngsters’ ability to think laterally. Other studies have shown how pervasive teenage youth culture is, and what we see is parents’ influence on IQ slowly diminishing with age. Previous studies have claimed that using text messages and email can temporarily reduce IQ by causing concentration to drop, while smoking marijuana has also been linked with a decline in IQ.
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答案     最新研究显示，由于青年文化与校园教育的低能化，如今中产阶级家庭的青少年的智商要比他们的上代人偏低。分别在1980年和2008年对普通14岁青少年所作的智商测试发现，现在的青少年智商比28年前要低两分多。在智商较高的一半人中一一这个群体的孩子大部分来自中产阶级一一平均智商要比28年前低六分。研究表明，在过去的一个世纪中，任何年龄组智力测试的分数下降还是头一次。
    休闲时间越来越多地被电脑游戏和电视占据，而不是用来阅读看书或和朋友交谈说话。教育专家表示，学校越来越以考试为教学标准，这也导致现在的青少年缺乏多方位思考的能力。其他研究也显示，青少年的特有文化已相当流行，家长对这个年龄段孩子的智商所能起到的影响随着他们年龄的增长而不断减弱。此前有调查发现，发送手机短信和电子邮件会影响注意力，以至于短暂降低一个人的智商，而吸食大麻也与智商降低有关。
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