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Difficulty: MediumPart-to-Whole Rhetorical Function

For decades, cognitive psychologists hypothesized that bilingualism confers a general executive function advantage, enhancing cognitive flexibility and working memory. Early studies frequently reported that bilingual individuals outperformed monolinguals on tasks requiring attention control. However, recent large-scale replication attempts have struggled to consistently reproduce these findings, with several studies showing no significant differences between the two groups. This discrepancy has led researchers to propose that the bilingual advantage may not be a universal phenomenon but rather one moderated by specific contextual factors, such as the age of acquisition and the degree of daily language switching.

Which choice best describes the function of the underlined sentence in the text as a whole?

  1. It introduces research findings that challenge the consensus described in the previous sentence, setting up the explanation proposed in the final sentence.Answer
  2. B
    It summarizes the passage as a whole by establishing a definitive conclusion that bilingualism does not affect cognitive flexibility.
  3. C
    It details the specific experimental tasks and procedures that recent replication studies utilized to evaluate executive function.
  4. D
    It speculates on the underlying neurological mechanisms that might explain why some bilingual individuals outperform monolingual individuals.

Answer

The correct answer is the option stating that the underlined sentence introduces research findings that challenge the consensus described in the previous sentence, setting up the explanation proposed in the final sentence.
The correct answer accurately states that the underlined sentence introduces research findings that challenge the early consensus and sets up the refined explanation proposed in the final sentence. The early consensus is that bilingualism provides a general advantage; the underlined sentence challenges this by citing replication struggles; and the final sentence explains the discrepancy by proposing a moderated model.

Step-by-Step Solution

1
Analyze the sentences preceding the underlined text.
The text describes an early consensus and hypothesis that bilingualism provides a general cognitive and executive benefit.
This establishes the baseline context that the underlined sentence will respond to.
2
Analyze the underlined sentence to identify its immediate function.
The underlined sentence states that recent large-scale replication attempts have failed to consistently reproduce the initial positive findings.
This shows that the sentence serves to challenge or qualify the baseline consensus.
3
Analyze the sentence following the underlined text to see how it relates to the rest of the passage.
The final sentence states that the 'discrepancy' (the failure to replicate) has led researchers to propose a new, moderated explanation of bilingualism's benefits.
This links the challenge presented in the underlined sentence directly to the constructive explanation that concludes the passage.

Key Concept

Analyzing part-to-whole rhetorical function requires identifying how a specific sentence transitions between preceding claims and subsequent explanations to develop the overall argument.
Estimated Time:1m 30s
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Topics

Part-to-Whole Rhetorical Function

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