In the sentence “But those rates differ by demographic grou...

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Is social media harming teens? A dive into the research cites risks but returns few hard answers 


A new report from the National Academies of Sciences, Engineering and Medicine grapples with the questions: Is social media harming teenagers? And what can Congress, the Education Department and parents do about it?


The answers are murky. The authors surveyed hundreds of studies across more than a decade and came to complicated, occasionally contradictory, conclusions. On one hand, they found there isn’t enough population data to specifically blame social media for changes in adolescent health. On the other hand, as shown in study after study cited by the report, social media has the clear potential to hurt the health of teenagers, and in situations where a teenager is already experiencing difficulties like a mental health crisis, social media tends to make it worse.


“There is much we still don’t know, but our report lays out a clear path forward for both pursuing the biggest unanswered questions about youth health and social media, and taking steps that can minimize the risk to young people using social media now,” Sandro Galea, dean of the Boston University School of Public Health and chair of the committee behind the report, said in a news release.


According to the report, the ways social media is used seem to make a difference. When a teenager passively scrolls, as opposed to actively posting, that’s connected by many studies to low life satisfaction and feelings of sadness. It may be that showcasing a hobby or an interest on social media doesn’t produce the same harms. But those rates differ by demographic group: Black, non-Hispanic participants in one study reported more negative moods during active social media use, suggesting that the potential benefits of posting on social media are not the same for teenagers of all backgrounds.


In addition, age affects how well certain strategies work. In younger children, a family policy that restricts social media except when it’s actively guided by a parent seems to reduce the risk of problematic use and inappropriate behavior online. But in adolescents, overly restrictive and controlling parental rules, like confiscating a phone for punishment, are often associated with that teenager taking more risks online.


Faced with an urgent need to “create a more transparent industry and a better-informed consumer of social media,” the report calls on companies and regulators to establish international standards, such as clear ways for companies to share data with researchers and accepted best practices to avoid proven harms where possible. It recommends that the International Organization for Standardization – a body that sets global rules in areas such as manufacturing and food safety – be tasked with creating a new system, one that could be used by federal and international agencies to track and evaluate social media companies and the algorithms they build. And it asks for funding from the National Institutes of Health, the National Science Foundation and other agencies to pay for the sort of large, long-term studies that have in the past identified major public health crises.


Adapted from: https://www.nbcnews.com/tech/socialmedia/social-media-harming-teens-dive-research-citesrisks-returns-hard-answ-rcna129490  

In the sentence “But those rates differ by demographic group (…)”, the word “differ” is a/an: 
Alternativas

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Alternativa correta: B - Regular verb.

1. Tema central da questão

A questão aborda a identificação do tipo de verbo na frase “But those rates differ by demographic group”. O foco está em diferenciar verbos regulares, irregulares, modais e phrasal verbs — um tema fundamental para interpretar textos e responder questões de inglês em concursos.

2. Resumo teórico

Verbos regulares são aqueles que, para formar o passado simples e o particípio passado, recebem a terminação -ed (ex: work → worked). Já os verbos irregulares sofrem alterações diferentes (ex: go → went). Modais (como can, must, may) expressam possibilidade, obrigação, etc., e phrasal verbs são formados por um verbo + preposição/advérbio, criando um novo sentido (ex: give up).

Fontes recomendadas: Essential Grammar in Use – Murphy (Cambridge); Manual de Gramática da Língua Inglesa – Denil Soares.

3. Justificativa da alternativa correta

O verbo differ significa “diferir” e, em inglês, segue o padrão regular: differ (presente), differed (passado), differed (particípio). Ou seja, basta adicionar -ed para os tempos passados, não sofrendo alterações na raiz, comprovando que é verbo regular.

4. Análise das alternativas incorretas

A - Modal verb: “Differ” não é verbo modal. Modais são como can, could, may — e não se encaixam aqui.

C - Irregular verb: Não é o caso, pois “differ” não muda para formas como “differed/differed”, logo, segue o padrão regular.

D - Phrasal verb: “Differ” aparece sozinho, sem preposição ou advérbio, portanto não é phrasal verb (“give up”, “look for”, etc., são exemplos de phrasal verbs).

5. Estratégia para interpretação

Leia atentamente o verbo no contexto. Pergunte-se se ele precisa de preposição para mudar de sentido (phrasal), se sofre alteração drástica no passado (irregular), ou se basta acrescentar “-ed” (regular). Palavras como “can, will, should” são modais. Evite pegar atalhos por semelhança com o português!

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