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VOA科学技术2022--研究表明半数青少年几乎一直在上网

时间:2022-09-15 03:29来源:互联网 提供网友:nan   字体: [ ]
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Study: Half of Teens Say they Use Internet Nearly all the Time

New research suggests that nearly half of American teenagers say they use the internet "almost constantly."

The United States-based Pew Research Center released a study this month. It found that the share of teens who say they are online almost all the time rose from 24 percent in 2015 to 46 percent.

The results were based on a Pew public opinion study carried out from April 14 to May 4. The study involved 1,316 teens aged1 13 to 17 years old.

The research found that about 95 percent of American teens have smartphones.

The study also asked teens about their social media behavior. It found that the number of teens using Facebook has dropped to 32 percent, down from 71 percent in 2015.

The research shows that teens have moved away from Facebook to spend time on the video sharing services YouTube and TikTok. About 95 percent of teens said they use Google-owned YouTube, while 67 percent said they use TikTok.

About 62 percent of the teens said they use Instagram, which is owned by Facebook's parent company Meta. About 59 percent said they use Snapchat. Less than one fourth of teens said they use Twitter.

"A quarter of teens who use Snapchat or TikTok say they use these apps almost constantly, and a fifth of teen YouTube users say the same," the study said.

The research found that teen boys are more likely than teen girls to use YouTube, or the services Twitch2 and Reddit. Teen girls were more interested in using TikTok, Instagram and Snapchat. In addition, higher shares of Black and Hispanic teens reported using TikTok, Twitter and WhatsApp compared to white teens.

About 54 percent of teens questioned said it would be "somewhat hard" to give up social media, while 46 percent said it would be "somewhat easy." About 25 percent of teen boys said giving up social media would be "very easy." But just 15 percent of teen girls said the same.

Experts in online technology behavior have accused large technology companies of targeting teens with methods to get them to spend more time on their social media services. One method uses algorithms to repeatedly suggest content to keep users on the services for longer periods of time.

Child rights groups and U.S. Congress members have warned that heavy use of social media services can harm the mental health of young users. They have called on large technology companies to take steps to reduce such harm.

Several services – including Instagram, Snapchat and TikTok – have introduced features that they say are designed to make their services safer and more fitting for young users.

The tools do offer some help, such as blocking unknown individuals from messaging children. But experts say the measures also come with weaknesses. For example, teens can get around limits if they lie about their age. The services also largely depend on parents to enforce rules. And the measures do little or nothing to limit inappropriate and harmful material suggested by algorithms.

"These platforms know that their algorithms can sometimes be amplifying4 harmful content, and they're not taking steps to stop that," said Irene Ly. She is a privacy advisor5 at the nonprofit group Common Sense Media based in San Francisco, California. Ly said the more teens keep scrolling7, the more involved they get in the services.

She added that the longer teens spend on the services, the more profitable the technology companies become. "I don't think they have too much incentive8 to be changing that," Ly said.

Words in This Story

constant – adj. happening a lot or all the time

quarter –n. one fourth of something

algorithm – n. a set of steps that are followed in order to solve a mathematical problem or to complete a computer process

feature – n. a typical quality or important part of something

inappropriate – adj. not suitable or right for a particular situation

platform –n. a company or service that permits someone to tell a large number of people about ideas or products

amplify3 – v. to make a feeling or opinion stronger or clearer

scroll6 – v. to move text or an image on a computer screen to get to a part you want to see

incentive –n. something that encourages a person to do something or to work harder


点击收听单词发音收听单词发音  

1 aged 6zWzdI     
adj.年老的,陈年的
参考例句:
  • He had put on weight and aged a little.他胖了,也老点了。
  • He is aged,but his memory is still good.他已年老,然而记忆力还好。
2 twitch jK3ze     
v.急拉,抽动,痉挛,抽搐;n.扯,阵痛,痉挛
参考例句:
  • The smell made my dog's nose twitch.那股气味使我的狗的鼻子抽动着。
  • I felt a twitch at my sleeve.我觉得有人扯了一下我的袖子。
3 amplify iwGzw     
vt.放大,增强;详述,详加解说
参考例句:
  • The new manager wants to amplify the company.新经理想要扩大公司。
  • Please amplify your remarks by giving us some examples.请举例详述你的话。
4 amplifying 29631b8f34f8b755bf579c2bef5e2907     
放大,扩大( amplify的现在分词 ); 增强; 详述
参考例句:
  • Often they use borrowed funds, amplifying their gains and losses. 他们通常会用借贷的资金交易,从而放大收益或损失。
  • An amplifying type (or analog) device, as opposed to digital device. 放大器类(或模拟)器件,相对于数字器件而言的。
5 advisor JKByk     
n.顾问,指导老师,劝告者
参考例句:
  • They employed me as an advisor.他们聘请我当顾问。
  • The professor is engaged as a technical advisor.这位教授被聘请为技术顾问。
6 scroll kD3z9     
n.卷轴,纸卷;(石刻上的)漩涡
参考例句:
  • As I opened the scroll,a panorama of the Yellow River unfolded.我打开卷轴时,黄河的景象展现在眼前。
  • He was presented with a scroll commemorating his achievements.他被授予一幅卷轴,以表彰其所做出的成就。
7 scrolling ee5631e545c57660dc98fd28795cb9ff     
n.卷[滚]动法,上下换行v.(电脑屏幕上)从上到下移动(资料等),卷页( scroll的现在分词 );(似卷轴般)卷起;(像展开卷轴般地)将文字显示于屏幕
参考例句:
  • Another important detail required by auto-scrolling is a time delay. 自动滚屏需要的另一个重要细节是时间延迟。 来自About Face 3交互设计精髓
  • In 2D visualization and drawing applications, vertical and horizontal scrolling are common. 在二维的可视化及绘图应用中,垂直和水平滚动非常普遍。 来自About Face 3交互设计精髓
8 incentive j4zy9     
n.刺激;动力;鼓励;诱因;动机
参考例句:
  • Money is still a major incentive in most occupations.在许多职业中,钱仍是主要的鼓励因素。
  • He hasn't much incentive to work hard.他没有努力工作的动机。
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