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Q3909775
Matemática Geometria Plana ,
Ano: 2025 Banca: Exército Órgão: EsPCEx Prova: Exército - 2025 - EsPCEx - Cadete do Exército - 2º Dia |
Q3909775 Matemática
Em um triângulo ABC, traçam-se as bissetrizes interna Q3_1.png (38×40) e externa Q3_2.png (28×24) em relação ao vértice A, conforme figura abaixo.

Q3_6.png (508×140)

Sabe-se que o perímetro do triângulo ABC mede 30 cm, o lado Q3_3.png (28×24) mede 10 cm e o segmento Q3_4.png (28×22)mede 24 cm. O valor, em cm, do módulo da diferença entre as medidas dos lados Q3_5.png (62×23) é igual a:
Alternativas
Q3909774
Matemática Funções ,
Ano: 2025 Banca: Exército Órgão: EsPCEx Prova: Exército - 2025 - EsPCEx - Cadete do Exército - 2º Dia |
Q3909774 Matemática
Seja f uma função real definida por f(x) = log2(x2 − x − 2) − log2(x2 − x − 6). O valor da soma de todos os números inteiros para os quais f não está definida é igual a:
Alternativas
Q3909773
Raciocínio Lógico Diagramas de Venn (Conjuntos) , Raciocínio Matemático ,
Ano: 2025 Banca: Exército Órgão: EsPCEx Prova: Exército - 2025 - EsPCEx - Cadete do Exército - 2º Dia |
Q3909773 Raciocínio Lógico
Em uma escola, foi realizada uma entrevista com 500 (quinhentos) alunos, que deveriam declarar se gostavam das disciplinas de Física, Matemática e Química. Verificou-se que:

- 170 (cento e setenta) não gostavam de nenhuma das 3 disciplinas;
- 100 (cem) gostavam das 3 disciplinas;
- 170 (cento e setenta) gostavam de Química;
- 180 (cento e oitenta) gostavam de Matemática;
- 300 (trezentos) gostavam de Física;
- 80 (oitenta) gostavam somente de Física; e
- Nenhum aluno gostava somente de Química.

De posse dessas informações, o número de alunos que gostavam somente de Matemática é igual a:
Alternativas
Q3692556
Inglês Interpretação de texto | Reading comprehension , Vocabulário | Vocabulary ,
Ano: 2025 Banca: Exército Órgão: IME Prova: Exército - 2025 - IME - Oficial Engenheiro - Português/Inglês |
Q3692556 Inglês

Text 2

  1. The Impact of Electric Vehicles on the Automotive Industry Looking at the environmental, economical, and political impact of electric vehicles.


By Patrick Peterson of GoodCar



Adapted from: unsustainable in [Accessed on 9th July 2025]. 

In the statement "This support for greener brands shows the automotive industry how the future will look" (lines 26 and 27), what does the term "greener" most precisely imply?
Alternativas
Q3692555
Inglês Vocabulário | Vocabulary , Sinônimos | Synonyms ,
Ano: 2025 Banca: Exército Órgão: IME Prova: Exército - 2025 - IME - Oficial Engenheiro - Português/Inglês |
Q3692555 Inglês

Text 2

  1. The Impact of Electric Vehicles on the Automotive Industry Looking at the environmental, economical, and political impact of electric vehicles.


By Patrick Peterson of GoodCar



Adapted from: unsustainable in [Accessed on 9th July 2025]. 

What is the closest meaning of the word “volatile” as used in the phrase “the volatility of gas prices” (line 3)? 
Alternativas
Q3692554
Inglês Interpretação de texto | Reading comprehension ,
Ano: 2025 Banca: Exército Órgão: IME Prova: Exército - 2025 - IME - Oficial Engenheiro - Português/Inglês |
Q3692554 Inglês

Text 2

  1. The Impact of Electric Vehicles on the Automotive Industry Looking at the environmental, economical, and political impact of electric vehicles.


By Patrick Peterson of GoodCar



Adapted from: unsustainable in [Accessed on 9th July 2025]. 

According to the text, mark the correct option about the role of geography in the environmental impact of EVs: 
Alternativas
Q3692553
Inglês Interpretação de texto | Reading comprehension ,
Ano: 2025 Banca: Exército Órgão: IME Prova: Exército - 2025 - IME - Oficial Engenheiro - Português/Inglês |
Q3692553 Inglês

Text 2

  1. The Impact of Electric Vehicles on the Automotive Industry Looking at the environmental, economical, and political impact of electric vehicles.


By Patrick Peterson of GoodCar



Adapted from: unsustainable in [Accessed on 9th July 2025]. 

According to the text, mark the option that most accurately reflects the relationship between public perception and electric vehicle adoption:  
Alternativas
Q3692552
Inglês Verbos | Verbs ,
Ano: 2025 Banca: Exército Órgão: IME Prova: Exército - 2025 - IME - Oficial Engenheiro - Português/Inglês |
Q3692552 Inglês

Text 2

  1. The Impact of Electric Vehicles on the Automotive Industry Looking at the environmental, economical, and political impact of electric vehicles.


By Patrick Peterson of GoodCar



Adapted from: unsustainable in [Accessed on 9th July 2025]. 

In the sentence “However, rising climate concerns and the volatility of gas prices have pushed more people to refresh their understanding of the technology” (lines 3 and 4), the verb tense “have pushed” indicates: 
Alternativas
Q3692551
Inglês Vocabulário | Vocabulary ,
Ano: 2025 Banca: Exército Órgão: IME Prova: Exército - 2025 - IME - Oficial Engenheiro - Português/Inglês |
Q3692551 Inglês

Text 2

  1. The Impact of Electric Vehicles on the Automotive Industry Looking at the environmental, economical, and political impact of electric vehicles.


By Patrick Peterson of GoodCar



Adapted from: unsustainable in [Accessed on 9th July 2025]. 

Mark the option that shows the most accurate meaning of the highlighted word in the sentence below: “Electric vehicles (EVs) have had a remarkable glow-up in a relatively short period.” (line 1) 
Alternativas
Q3692550
Inglês Interpretação de texto | Reading comprehension ,
Ano: 2025 Banca: Exército Órgão: IME Prova: Exército - 2025 - IME - Oficial Engenheiro - Português/Inglês |
Q3692550 Inglês

Text 2

  1. The Impact of Electric Vehicles on the Automotive Industry Looking at the environmental, economical, and political impact of electric vehicles.


By Patrick Peterson of GoodCar



Adapted from: unsustainable in [Accessed on 9th July 2025]. 

Mark the option that best captures the author's tone throughout the article:  
Alternativas
Q3692549
Inglês Interpretação de texto | Reading comprehension ,
Ano: 2025 Banca: Exército Órgão: IME Prova: Exército - 2025 - IME - Oficial Engenheiro - Português/Inglês |
Q3692549 Inglês
Text 1

ChatGPT May Be Eroding Critical Thinking Skills, According to a New MIT Study

By Andrew R. Chow

    The study divided 54 subjects — 18 to 39 year-olds from the Boston area — into three groups, and asked them to write several SAT essays using OpenAl's ChatGPT, Google’s search engine, and nothing at all, respectively. Researchers used an (electroencephalogram) EEG to record the writers’ brain activity across 32 regions, and found that of the three groups, ChatGPT users had the lowest brain engagement and “consistently underperformed at neural, linguistic, and behavioral levels.” Over the course of several months, ChatGPT users got lazier with each subsequent essay, often resorting to copy-and-paste by the end of the study.

    The paper suggests that the usage of (Large Language Model) LLMs could actually harm learning, especially for younger users. The paper has not yet been peer reviewed, and its sample size is relatively small. But its paper’s main author Nataliya Kosmyna felt it was important to release the findings to elevate concerns that as society increasingly relies upon LLMs for immediate convenience, long-term brain development may be sacrificed in the process.

    The group that wrote essays using ChatGPT all delivered extremely similar essays that lacked original thought, relying on the same expressions and ideas. Two English teachers who assessed the essays called them largely “soulless” The EEGs revealed low executive control and attentional engagement. And by their third essay, many of the writers simply gave the prompt to ChatGPT and had it do almost all of the work. “It was more like, ‘just give me the essay, refine this sentence, edit it, and 'm done,” Kosmyna says.

    The brain-only group, conversely, showed the highest neural connectivity, especially in alpha, theta and delta bands, which are associated with creativity ideation, memory load, and semantic processing. Researchers found this group was more engaged and curious, and claimed ownership and expressed higher satisfaction with their essays.

    The third group, which used Google Search, also expressed high satisfaction and active brain function. The difference here is notable because many people now search for information within Al chatbots as opposed to Google Search.

    After writing the three essays, the subjects were then asked to re-write one of their previous efforts—but the ChatGPT group had to do so without the tool, while the brain-only group could now use ChatGPT. The first group remembered little of their own essays, and showed weaker alpha and theta brain waves, which likely reflected a bypassing of deep memory processes.

    The second group, in contrast, performed well, exhibiting a significant increase in brain connectivity across all EEG frequency bands. This gives rise to the hope that Al, if used properly, could enhance learning as opposed to diminishing it.

Adapted from: TIME in [Accessed on 15th July 2025]. 
Why did the researchers mention the small sample size?  
Alternativas
Q3692548
Inglês Interpretação de texto | Reading comprehension ,
Ano: 2025 Banca: Exército Órgão: IME Prova: Exército - 2025 - IME - Oficial Engenheiro - Português/Inglês |
Q3692548 Inglês
Text 1

ChatGPT May Be Eroding Critical Thinking Skills, According to a New MIT Study

By Andrew R. Chow

    The study divided 54 subjects — 18 to 39 year-olds from the Boston area — into three groups, and asked them to write several SAT essays using OpenAl's ChatGPT, Google’s search engine, and nothing at all, respectively. Researchers used an (electroencephalogram) EEG to record the writers’ brain activity across 32 regions, and found that of the three groups, ChatGPT users had the lowest brain engagement and “consistently underperformed at neural, linguistic, and behavioral levels.” Over the course of several months, ChatGPT users got lazier with each subsequent essay, often resorting to copy-and-paste by the end of the study.

    The paper suggests that the usage of (Large Language Model) LLMs could actually harm learning, especially for younger users. The paper has not yet been peer reviewed, and its sample size is relatively small. But its paper’s main author Nataliya Kosmyna felt it was important to release the findings to elevate concerns that as society increasingly relies upon LLMs for immediate convenience, long-term brain development may be sacrificed in the process.

    The group that wrote essays using ChatGPT all delivered extremely similar essays that lacked original thought, relying on the same expressions and ideas. Two English teachers who assessed the essays called them largely “soulless” The EEGs revealed low executive control and attentional engagement. And by their third essay, many of the writers simply gave the prompt to ChatGPT and had it do almost all of the work. “It was more like, ‘just give me the essay, refine this sentence, edit it, and 'm done,” Kosmyna says.

    The brain-only group, conversely, showed the highest neural connectivity, especially in alpha, theta and delta bands, which are associated with creativity ideation, memory load, and semantic processing. Researchers found this group was more engaged and curious, and claimed ownership and expressed higher satisfaction with their essays.

    The third group, which used Google Search, also expressed high satisfaction and active brain function. The difference here is notable because many people now search for information within Al chatbots as opposed to Google Search.

    After writing the three essays, the subjects were then asked to re-write one of their previous efforts—but the ChatGPT group had to do so without the tool, while the brain-only group could now use ChatGPT. The first group remembered little of their own essays, and showed weaker alpha and theta brain waves, which likely reflected a bypassing of deep memory processes.

    The second group, in contrast, performed well, exhibiting a significant increase in brain connectivity across all EEG frequency bands. This gives rise to the hope that Al, if used properly, could enhance learning as opposed to diminishing it.

Adapted from: TIME in [Accessed on 15th July 2025]. 
Researchers highlighted the following main difference between using Google Search and Al chatbots for information gathering:  
Alternativas
Q3692547
Inglês Interpretação de texto | Reading comprehension ,
Ano: 2025 Banca: Exército Órgão: IME Prova: Exército - 2025 - IME - Oficial Engenheiro - Português/Inglês |
Q3692547 Inglês
Text 1

ChatGPT May Be Eroding Critical Thinking Skills, According to a New MIT Study

By Andrew R. Chow

    The study divided 54 subjects — 18 to 39 year-olds from the Boston area — into three groups, and asked them to write several SAT essays using OpenAl's ChatGPT, Google’s search engine, and nothing at all, respectively. Researchers used an (electroencephalogram) EEG to record the writers’ brain activity across 32 regions, and found that of the three groups, ChatGPT users had the lowest brain engagement and “consistently underperformed at neural, linguistic, and behavioral levels.” Over the course of several months, ChatGPT users got lazier with each subsequent essay, often resorting to copy-and-paste by the end of the study.

    The paper suggests that the usage of (Large Language Model) LLMs could actually harm learning, especially for younger users. The paper has not yet been peer reviewed, and its sample size is relatively small. But its paper’s main author Nataliya Kosmyna felt it was important to release the findings to elevate concerns that as society increasingly relies upon LLMs for immediate convenience, long-term brain development may be sacrificed in the process.

    The group that wrote essays using ChatGPT all delivered extremely similar essays that lacked original thought, relying on the same expressions and ideas. Two English teachers who assessed the essays called them largely “soulless” The EEGs revealed low executive control and attentional engagement. And by their third essay, many of the writers simply gave the prompt to ChatGPT and had it do almost all of the work. “It was more like, ‘just give me the essay, refine this sentence, edit it, and 'm done,” Kosmyna says.

    The brain-only group, conversely, showed the highest neural connectivity, especially in alpha, theta and delta bands, which are associated with creativity ideation, memory load, and semantic processing. Researchers found this group was more engaged and curious, and claimed ownership and expressed higher satisfaction with their essays.

    The third group, which used Google Search, also expressed high satisfaction and active brain function. The difference here is notable because many people now search for information within Al chatbots as opposed to Google Search.

    After writing the three essays, the subjects were then asked to re-write one of their previous efforts—but the ChatGPT group had to do so without the tool, while the brain-only group could now use ChatGPT. The first group remembered little of their own essays, and showed weaker alpha and theta brain waves, which likely reflected a bypassing of deep memory processes.

    The second group, in contrast, performed well, exhibiting a significant increase in brain connectivity across all EEG frequency bands. This gives rise to the hope that Al, if used properly, could enhance learning as opposed to diminishing it.

Adapted from: TIME in [Accessed on 15th July 2025]. 
Based on the brain-only group’s later use of ChatGPT, researchers expressed the following hope:  
Alternativas
Q3692546
Inglês Interpretação de texto | Reading comprehension ,
Ano: 2025 Banca: Exército Órgão: IME Prova: Exército - 2025 - IME - Oficial Engenheiro - Português/Inglês |
Q3692546 Inglês
Text 1

ChatGPT May Be Eroding Critical Thinking Skills, According to a New MIT Study

By Andrew R. Chow

    The study divided 54 subjects — 18 to 39 year-olds from the Boston area — into three groups, and asked them to write several SAT essays using OpenAl's ChatGPT, Google’s search engine, and nothing at all, respectively. Researchers used an (electroencephalogram) EEG to record the writers’ brain activity across 32 regions, and found that of the three groups, ChatGPT users had the lowest brain engagement and “consistently underperformed at neural, linguistic, and behavioral levels.” Over the course of several months, ChatGPT users got lazier with each subsequent essay, often resorting to copy-and-paste by the end of the study.

    The paper suggests that the usage of (Large Language Model) LLMs could actually harm learning, especially for younger users. The paper has not yet been peer reviewed, and its sample size is relatively small. But its paper’s main author Nataliya Kosmyna felt it was important to release the findings to elevate concerns that as society increasingly relies upon LLMs for immediate convenience, long-term brain development may be sacrificed in the process.

    The group that wrote essays using ChatGPT all delivered extremely similar essays that lacked original thought, relying on the same expressions and ideas. Two English teachers who assessed the essays called them largely “soulless” The EEGs revealed low executive control and attentional engagement. And by their third essay, many of the writers simply gave the prompt to ChatGPT and had it do almost all of the work. “It was more like, ‘just give me the essay, refine this sentence, edit it, and 'm done,” Kosmyna says.

    The brain-only group, conversely, showed the highest neural connectivity, especially in alpha, theta and delta bands, which are associated with creativity ideation, memory load, and semantic processing. Researchers found this group was more engaged and curious, and claimed ownership and expressed higher satisfaction with their essays.

    The third group, which used Google Search, also expressed high satisfaction and active brain function. The difference here is notable because many people now search for information within Al chatbots as opposed to Google Search.

    After writing the three essays, the subjects were then asked to re-write one of their previous efforts—but the ChatGPT group had to do so without the tool, while the brain-only group could now use ChatGPT. The first group remembered little of their own essays, and showed weaker alpha and theta brain waves, which likely reflected a bypassing of deep memory processes.

    The second group, in contrast, performed well, exhibiting a significant increase in brain connectivity across all EEG frequency bands. This gives rise to the hope that Al, if used properly, could enhance learning as opposed to diminishing it.

Adapted from: TIME in [Accessed on 15th July 2025]. 
What did the EEG data suggest about ChatGPT users' executive control during essay writing? 
Alternativas
Q3692545
Inglês Interpretação de texto | Reading comprehension ,
Ano: 2025 Banca: Exército Órgão: IME Prova: Exército - 2025 - IME - Oficial Engenheiro - Português/Inglês |
Q3692545 Inglês
Text 1

ChatGPT May Be Eroding Critical Thinking Skills, According to a New MIT Study

By Andrew R. Chow

    The study divided 54 subjects — 18 to 39 year-olds from the Boston area — into three groups, and asked them to write several SAT essays using OpenAl's ChatGPT, Google’s search engine, and nothing at all, respectively. Researchers used an (electroencephalogram) EEG to record the writers’ brain activity across 32 regions, and found that of the three groups, ChatGPT users had the lowest brain engagement and “consistently underperformed at neural, linguistic, and behavioral levels.” Over the course of several months, ChatGPT users got lazier with each subsequent essay, often resorting to copy-and-paste by the end of the study.

    The paper suggests that the usage of (Large Language Model) LLMs could actually harm learning, especially for younger users. The paper has not yet been peer reviewed, and its sample size is relatively small. But its paper’s main author Nataliya Kosmyna felt it was important to release the findings to elevate concerns that as society increasingly relies upon LLMs for immediate convenience, long-term brain development may be sacrificed in the process.

    The group that wrote essays using ChatGPT all delivered extremely similar essays that lacked original thought, relying on the same expressions and ideas. Two English teachers who assessed the essays called them largely “soulless” The EEGs revealed low executive control and attentional engagement. And by their third essay, many of the writers simply gave the prompt to ChatGPT and had it do almost all of the work. “It was more like, ‘just give me the essay, refine this sentence, edit it, and 'm done,” Kosmyna says.

    The brain-only group, conversely, showed the highest neural connectivity, especially in alpha, theta and delta bands, which are associated with creativity ideation, memory load, and semantic processing. Researchers found this group was more engaged and curious, and claimed ownership and expressed higher satisfaction with their essays.

    The third group, which used Google Search, also expressed high satisfaction and active brain function. The difference here is notable because many people now search for information within Al chatbots as opposed to Google Search.

    After writing the three essays, the subjects were then asked to re-write one of their previous efforts—but the ChatGPT group had to do so without the tool, while the brain-only group could now use ChatGPT. The first group remembered little of their own essays, and showed weaker alpha and theta brain waves, which likely reflected a bypassing of deep memory processes.

    The second group, in contrast, performed well, exhibiting a significant increase in brain connectivity across all EEG frequency bands. This gives rise to the hope that Al, if used properly, could enhance learning as opposed to diminishing it.

Adapted from: TIME in [Accessed on 15th July 2025]. 
What distinguishes the Google Search group's results from those of the ChatGPT group? 
Alternativas
Q3692544
Inglês Interpretação de texto | Reading comprehension ,
Ano: 2025 Banca: Exército Órgão: IME Prova: Exército - 2025 - IME - Oficial Engenheiro - Português/Inglês |
Q3692544 Inglês
Text 1

ChatGPT May Be Eroding Critical Thinking Skills, According to a New MIT Study

By Andrew R. Chow

    The study divided 54 subjects — 18 to 39 year-olds from the Boston area — into three groups, and asked them to write several SAT essays using OpenAl's ChatGPT, Google’s search engine, and nothing at all, respectively. Researchers used an (electroencephalogram) EEG to record the writers’ brain activity across 32 regions, and found that of the three groups, ChatGPT users had the lowest brain engagement and “consistently underperformed at neural, linguistic, and behavioral levels.” Over the course of several months, ChatGPT users got lazier with each subsequent essay, often resorting to copy-and-paste by the end of the study.

    The paper suggests that the usage of (Large Language Model) LLMs could actually harm learning, especially for younger users. The paper has not yet been peer reviewed, and its sample size is relatively small. But its paper’s main author Nataliya Kosmyna felt it was important to release the findings to elevate concerns that as society increasingly relies upon LLMs for immediate convenience, long-term brain development may be sacrificed in the process.

    The group that wrote essays using ChatGPT all delivered extremely similar essays that lacked original thought, relying on the same expressions and ideas. Two English teachers who assessed the essays called them largely “soulless” The EEGs revealed low executive control and attentional engagement. And by their third essay, many of the writers simply gave the prompt to ChatGPT and had it do almost all of the work. “It was more like, ‘just give me the essay, refine this sentence, edit it, and 'm done,” Kosmyna says.

    The brain-only group, conversely, showed the highest neural connectivity, especially in alpha, theta and delta bands, which are associated with creativity ideation, memory load, and semantic processing. Researchers found this group was more engaged and curious, and claimed ownership and expressed higher satisfaction with their essays.

    The third group, which used Google Search, also expressed high satisfaction and active brain function. The difference here is notable because many people now search for information within Al chatbots as opposed to Google Search.

    After writing the three essays, the subjects were then asked to re-write one of their previous efforts—but the ChatGPT group had to do so without the tool, while the brain-only group could now use ChatGPT. The first group remembered little of their own essays, and showed weaker alpha and theta brain waves, which likely reflected a bypassing of deep memory processes.

    The second group, in contrast, performed well, exhibiting a significant increase in brain connectivity across all EEG frequency bands. This gives rise to the hope that Al, if used properly, could enhance learning as opposed to diminishing it.

Adapted from: TIME in [Accessed on 15th July 2025]. 
What outcome followed when the ChatGPT group was asked to re-write an essay without using ChatGPT? 
Alternativas
Q3692543
Inglês Interpretação de texto | Reading comprehension ,
Ano: 2025 Banca: Exército Órgão: IME Prova: Exército - 2025 - IME - Oficial Engenheiro - Português/Inglês |
Q3692543 Inglês
Text 1

ChatGPT May Be Eroding Critical Thinking Skills, According to a New MIT Study

By Andrew R. Chow

    The study divided 54 subjects — 18 to 39 year-olds from the Boston area — into three groups, and asked them to write several SAT essays using OpenAl's ChatGPT, Google’s search engine, and nothing at all, respectively. Researchers used an (electroencephalogram) EEG to record the writers’ brain activity across 32 regions, and found that of the three groups, ChatGPT users had the lowest brain engagement and “consistently underperformed at neural, linguistic, and behavioral levels.” Over the course of several months, ChatGPT users got lazier with each subsequent essay, often resorting to copy-and-paste by the end of the study.

    The paper suggests that the usage of (Large Language Model) LLMs could actually harm learning, especially for younger users. The paper has not yet been peer reviewed, and its sample size is relatively small. But its paper’s main author Nataliya Kosmyna felt it was important to release the findings to elevate concerns that as society increasingly relies upon LLMs for immediate convenience, long-term brain development may be sacrificed in the process.

    The group that wrote essays using ChatGPT all delivered extremely similar essays that lacked original thought, relying on the same expressions and ideas. Two English teachers who assessed the essays called them largely “soulless” The EEGs revealed low executive control and attentional engagement. And by their third essay, many of the writers simply gave the prompt to ChatGPT and had it do almost all of the work. “It was more like, ‘just give me the essay, refine this sentence, edit it, and 'm done,” Kosmyna says.

    The brain-only group, conversely, showed the highest neural connectivity, especially in alpha, theta and delta bands, which are associated with creativity ideation, memory load, and semantic processing. Researchers found this group was more engaged and curious, and claimed ownership and expressed higher satisfaction with their essays.

    The third group, which used Google Search, also expressed high satisfaction and active brain function. The difference here is notable because many people now search for information within Al chatbots as opposed to Google Search.

    After writing the three essays, the subjects were then asked to re-write one of their previous efforts—but the ChatGPT group had to do so without the tool, while the brain-only group could now use ChatGPT. The first group remembered little of their own essays, and showed weaker alpha and theta brain waves, which likely reflected a bypassing of deep memory processes.

    The second group, in contrast, performed well, exhibiting a significant increase in brain connectivity across all EEG frequency bands. This gives rise to the hope that Al, if used properly, could enhance learning as opposed to diminishing it.

Adapted from: TIME in [Accessed on 15th July 2025]. 
Which neural frequency bands were most active in the brain-only group, indicating cognitive engagement?  
Alternativas
Q3692542
Inglês Interpretação de texto | Reading comprehension ,
Ano: 2025 Banca: Exército Órgão: IME Prova: Exército - 2025 - IME - Oficial Engenheiro - Português/Inglês |
Q3692542 Inglês
Text 1

ChatGPT May Be Eroding Critical Thinking Skills, According to a New MIT Study

By Andrew R. Chow

    The study divided 54 subjects — 18 to 39 year-olds from the Boston area — into three groups, and asked them to write several SAT essays using OpenAl's ChatGPT, Google’s search engine, and nothing at all, respectively. Researchers used an (electroencephalogram) EEG to record the writers’ brain activity across 32 regions, and found that of the three groups, ChatGPT users had the lowest brain engagement and “consistently underperformed at neural, linguistic, and behavioral levels.” Over the course of several months, ChatGPT users got lazier with each subsequent essay, often resorting to copy-and-paste by the end of the study.

    The paper suggests that the usage of (Large Language Model) LLMs could actually harm learning, especially for younger users. The paper has not yet been peer reviewed, and its sample size is relatively small. But its paper’s main author Nataliya Kosmyna felt it was important to release the findings to elevate concerns that as society increasingly relies upon LLMs for immediate convenience, long-term brain development may be sacrificed in the process.

    The group that wrote essays using ChatGPT all delivered extremely similar essays that lacked original thought, relying on the same expressions and ideas. Two English teachers who assessed the essays called them largely “soulless” The EEGs revealed low executive control and attentional engagement. And by their third essay, many of the writers simply gave the prompt to ChatGPT and had it do almost all of the work. “It was more like, ‘just give me the essay, refine this sentence, edit it, and 'm done,” Kosmyna says.

    The brain-only group, conversely, showed the highest neural connectivity, especially in alpha, theta and delta bands, which are associated with creativity ideation, memory load, and semantic processing. Researchers found this group was more engaged and curious, and claimed ownership and expressed higher satisfaction with their essays.

    The third group, which used Google Search, also expressed high satisfaction and active brain function. The difference here is notable because many people now search for information within Al chatbots as opposed to Google Search.

    After writing the three essays, the subjects were then asked to re-write one of their previous efforts—but the ChatGPT group had to do so without the tool, while the brain-only group could now use ChatGPT. The first group remembered little of their own essays, and showed weaker alpha and theta brain waves, which likely reflected a bypassing of deep memory processes.

    The second group, in contrast, performed well, exhibiting a significant increase in brain connectivity across all EEG frequency bands. This gives rise to the hope that Al, if used properly, could enhance learning as opposed to diminishing it.

Adapted from: TIME in [Accessed on 15th July 2025]. 
How did the essays written by the ChatGPT group compare to those written by the other groups, according to the teachers? 
Alternativas
Q3692541
Inglês Interpretação de texto | Reading comprehension ,
Ano: 2025 Banca: Exército Órgão: IME Prova: Exército - 2025 - IME - Oficial Engenheiro - Português/Inglês |
Q3692541 Inglês
Text 1

ChatGPT May Be Eroding Critical Thinking Skills, According to a New MIT Study

By Andrew R. Chow

    The study divided 54 subjects — 18 to 39 year-olds from the Boston area — into three groups, and asked them to write several SAT essays using OpenAl's ChatGPT, Google’s search engine, and nothing at all, respectively. Researchers used an (electroencephalogram) EEG to record the writers’ brain activity across 32 regions, and found that of the three groups, ChatGPT users had the lowest brain engagement and “consistently underperformed at neural, linguistic, and behavioral levels.” Over the course of several months, ChatGPT users got lazier with each subsequent essay, often resorting to copy-and-paste by the end of the study.

    The paper suggests that the usage of (Large Language Model) LLMs could actually harm learning, especially for younger users. The paper has not yet been peer reviewed, and its sample size is relatively small. But its paper’s main author Nataliya Kosmyna felt it was important to release the findings to elevate concerns that as society increasingly relies upon LLMs for immediate convenience, long-term brain development may be sacrificed in the process.

    The group that wrote essays using ChatGPT all delivered extremely similar essays that lacked original thought, relying on the same expressions and ideas. Two English teachers who assessed the essays called them largely “soulless” The EEGs revealed low executive control and attentional engagement. And by their third essay, many of the writers simply gave the prompt to ChatGPT and had it do almost all of the work. “It was more like, ‘just give me the essay, refine this sentence, edit it, and 'm done,” Kosmyna says.

    The brain-only group, conversely, showed the highest neural connectivity, especially in alpha, theta and delta bands, which are associated with creativity ideation, memory load, and semantic processing. Researchers found this group was more engaged and curious, and claimed ownership and expressed higher satisfaction with their essays.

    The third group, which used Google Search, also expressed high satisfaction and active brain function. The difference here is notable because many people now search for information within Al chatbots as opposed to Google Search.

    After writing the three essays, the subjects were then asked to re-write one of their previous efforts—but the ChatGPT group had to do so without the tool, while the brain-only group could now use ChatGPT. The first group remembered little of their own essays, and showed weaker alpha and theta brain waves, which likely reflected a bypassing of deep memory processes.

    The second group, in contrast, performed well, exhibiting a significant increase in brain connectivity across all EEG frequency bands. This gives rise to the hope that Al, if used properly, could enhance learning as opposed to diminishing it.

Adapted from: TIME in [Accessed on 15th July 2025]. 
What pattern was observed in the group that used ChatGPT throughout the study? 
Alternativas
Q3692540
Inglês Interpretação de texto | Reading comprehension ,
Ano: 2025 Banca: Exército Órgão: IME Prova: Exército - 2025 - IME - Oficial Engenheiro - Português/Inglês |
Q3692540 Inglês
Text 1

ChatGPT May Be Eroding Critical Thinking Skills, According to a New MIT Study

By Andrew R. Chow

    The study divided 54 subjects — 18 to 39 year-olds from the Boston area — into three groups, and asked them to write several SAT essays using OpenAl's ChatGPT, Google’s search engine, and nothing at all, respectively. Researchers used an (electroencephalogram) EEG to record the writers’ brain activity across 32 regions, and found that of the three groups, ChatGPT users had the lowest brain engagement and “consistently underperformed at neural, linguistic, and behavioral levels.” Over the course of several months, ChatGPT users got lazier with each subsequent essay, often resorting to copy-and-paste by the end of the study.

    The paper suggests that the usage of (Large Language Model) LLMs could actually harm learning, especially for younger users. The paper has not yet been peer reviewed, and its sample size is relatively small. But its paper’s main author Nataliya Kosmyna felt it was important to release the findings to elevate concerns that as society increasingly relies upon LLMs for immediate convenience, long-term brain development may be sacrificed in the process.

    The group that wrote essays using ChatGPT all delivered extremely similar essays that lacked original thought, relying on the same expressions and ideas. Two English teachers who assessed the essays called them largely “soulless” The EEGs revealed low executive control and attentional engagement. And by their third essay, many of the writers simply gave the prompt to ChatGPT and had it do almost all of the work. “It was more like, ‘just give me the essay, refine this sentence, edit it, and 'm done,” Kosmyna says.

    The brain-only group, conversely, showed the highest neural connectivity, especially in alpha, theta and delta bands, which are associated with creativity ideation, memory load, and semantic processing. Researchers found this group was more engaged and curious, and claimed ownership and expressed higher satisfaction with their essays.

    The third group, which used Google Search, also expressed high satisfaction and active brain function. The difference here is notable because many people now search for information within Al chatbots as opposed to Google Search.

    After writing the three essays, the subjects were then asked to re-write one of their previous efforts—but the ChatGPT group had to do so without the tool, while the brain-only group could now use ChatGPT. The first group remembered little of their own essays, and showed weaker alpha and theta brain waves, which likely reflected a bypassing of deep memory processes.

    The second group, in contrast, performed well, exhibiting a significant increase in brain connectivity across all EEG frequency bands. This gives rise to the hope that Al, if used properly, could enhance learning as opposed to diminishing it.

Adapted from: TIME in [Accessed on 15th July 2025]. 
Which statement best summarizes the main concern raised by the study's lead author, Nataliya Kosmyna? 
Alternativas
Respostas
2641: B
2642: C
2643: A
2644: D
2645: E
2646: B
2647: C
2648: D
2649: A
2650: B
2651: A
2652: A
2653: C
2654: B
2655: C
2656: B
2657: B
2658: C
2659: B
2660: B
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