研究发现自1975年以来人类智商水平一直在下降

令人不安的研究显示,自20世纪70年代以来,人类智商分数有所下降。

挪威RagnarFrisch经济研究中心表示,数十年来分数一直在下降。

OleRogeberg和BerntBratsberg在一篇名为“国家科学院院刊”的论文中发表了他们的发现。

人类在上个世纪更聪明

过去进行的研究显示,在上个世纪的前半期,人们确实变得更聪明,这种趋势被称为“弗林效应”。许多人试图提出解释,是什么让人类变得更聪明,可能是得到更好的教育,更好的医疗保健甚至吃更有营养的饮食。

现在看起来好像这一趋势已经结束了,因为该研究分析了1970年和2009年申请在挪威执行军事任务的男性的智商结果。该研究的数据包括730,000项测试结果,研究人员惊讶地发现智商分数有每代下降约7个点。这与70年前的研究结果有很大的不同。

智商分数的变化不限于挪威。来自英国的一个团队也进行了研究,他们也发现智商分数下降到4.3分,自二战结束以来每十年下降2.5分。

在美国进行的一项研究显示,如果儿童饮食中含有鱼,其智商得分较高。今天的孩子在饮食中不会吃太多的鱼,而是喜欢垃圾食物。其次,环境因素可能随着生活方式的变化而发挥作用。电子游戏导致儿童更少的阅读书籍。

弗林效应趋势是环境造成的,但近年来这种趋势已经放缓或者在某些情况下实际上被扭转了。

为了孩子的智商成长,请让他少玩电子游戏,多阅读,并且多吃鱼。

文章来源:麦田怪圈 2018.06.29


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