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经济合作与发展组织:测试显示全球认知能力下降,AI兴起或加剧趋势

经济合作与发展组织(OECD)的国际学生评估项目(PISA)数据显示,自2010年代初以来,全球青少年的阅读、数学和科学能力普遍下降。2022年数据显示,美国阅读能力显著下滑,近50%的成年人几乎不读书,每天阅读的比例降至14%。

不仅是青少年,成人的认知能力也在下降。高收入国家约25%的成年人在简单数学推理和判断语句真实性时感到困难,美国这一比例高达35%。研究认为,这种趋势与现代生活方式有关,如被动接收信息(如刷手机)而非主动思考。

此外,生成式AI的兴起可能进一步削弱批判性思维。微软和卡耐基梅隆大学的研究发现,过度依赖AI会导致“机械化趋同”和“数字健忘症”,影响认知能力。

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经济合作与发展组织:测试显示全球认知能力下降,AI兴起或加剧趋势

经济合作与发展组织(OECD)的国际学生评估项目(PISA)数据显示,自2010年代初以来,全球青少年的阅读、数学和科学能力普遍下降。2022年数据显示,美国阅读能力显著下滑,近50%的成年人几乎不读书,每天阅读的比例降至14%。

不仅是青少年,成人的认知能力也在下降。高收入国家约25%的成年人在简单数学推理和判断语句真实性时感到困难,美国这一比例高达35%。研究认为,这种趋势与现代生活方式有关,如被动接收信息(如刷手机)而非主动思考。

此外,生成式AI的兴起可能进一步削弱批判性思维。微软和卡耐基梅隆大学的研究发现,过度依赖AI会导致“机械化趋同”和“数字健忘症”,影响认知能力。

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Mr. Durov launched Telegram in late 2013 with his brother, Nikolai, just months before he was pushed out of VK, the Russian social-media platform he founded. Mr. Durov pitched his new app—funded with the proceeds from the VK sale—less as a business than as a way for people to send messages while avoiding government surveillance and censorship.

Spiking bond yields driving sharp losses in tech stocks

A spike in interest rates since the start of the year has accelerated a rotation out of high-growth technology stocks and into value stocks poised to benefit from a reopening of the economy. The Nasdaq has fallen more than 10% over the past month as the Dow has soared to record highs, with a spike in the 10-year US Treasury yield acting as the main catalyst. It recently surged to a cycle high of more than 1.60% after starting the year below 1%. But according to Jim Paulsen, the Leuthold Group's chief investment strategist, rising interest rates do not represent a long-term threat to the stock market. Paulsen expects the 10-year yield to cross 2% by the end of the year. A spike in interest rates and its impact on the stock market depends on the economic backdrop, according to Paulsen. Rising interest rates amid a strengthening economy "may prove no challenge at all for stocks," Paulsen said.

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