Examkin

Question

Difficulty: MediumCentral Ideas

For years, cognitive psychologists championed the 'bilingual advantage' hypothesis, which posits that managing two languages enhances general executive functioning, such as working memory and cognitive flexibility. However, recent large-scale replication studies have challenged this broad claim, finding negligible differences in general cognitive tests between bilinguals and monolinguals. Instead of demonstrating a global executive boost, current research suggests that bilingualism's cognitive effects are highly task-specific, primarily improving performance on tasks that directly mimic the linguistic switching and monitoring required in daily bilingual communication. Thus, the cognitive impact of bilingualism is best understood not as a systemic enhancement of the brain's processing power, but as a specialized adaptation to specific communicative demands.

Which choice best states the main idea of the text?

  1. A
    Human cognitive abilities are shaped more by specific environmental adaptations and communication demands than by systemic, global improvements in brain processing power.
  2. Recent research indicates that bilingualism does not globally enhance general executive function but instead develops specific cognitive skills related to language switching.Answer
  3. C
    Bilingual individuals perform significantly better than monolinguals on standard tests of working memory and cognitive flexibility.
  4. D
    Large-scale replication studies are the most reliable method for identifying whether a specific environmental factor alters brain functioning.

Answer

Recent research indicates that bilingualism does not globally enhance general executive function but instead develops specific cognitive skills related to language switching.
The correct option accurately reflects the passage's primary focus: explaining that bilingualism does not result in a global increase in general executive function, but rather leads to task-specific cognitive adaptations related to managing and switching languages.

Step-by-Step Solution

1
Identify the primary topic and scope of the passage.
The passage discusses the cognitive effects of bilingualism, specifically evaluating the 'bilingual advantage' hypothesis.
Establishing the topic helps narrow down the focus and eliminate choices that generalize too broadly.
2
Examine how the author develops the argument using transitions like 'However' and 'Instead'.
The author contrasts the traditional view of a global cognitive boost with new evidence of negligible differences, concluding that bilingualism's effects are task-specific.
Following the structure of the argument leads to the author's main conclusion.
3
Evaluate the choices to find the one that matches this conclusion without introducing external ideas or misrepresenting details.
The option specifying that bilingualism leads to task-specific skills rather than global enhancement matches the text's central idea.
This confirms the correct option while filtering out distractors.

Key Concept

Central Ideas
Rate this question

Topics

Central Ideas

More questions from this topic