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Expression of IdeasMediumSynthesis: a finding with its limitation

Expression of Ideas practice question

While researching a topic, a student has taken the following notes: - A 2023 study followed 500 office workers. - Workers who took a 10-minute walk at lunch reported 20 percent less afternoon tiredness. - The study relied on the workers' own reports of tiredness.

The student wants to present the study's finding while acknowledging a limitation. Which choice most effectively uses relevant information from the notes to accomplish this goal?

  1. A. A 2023 study found that office workers who walked for ten minutes at lunch reported 20 percent less afternoon tiredness, though the study relied on the workers' own reports.Correct
  2. B. A 2023 study followed 500 office workers.
  3. C. Walking at lunch cuts afternoon tiredness by 20 percent.
  4. D. Office workers should walk at lunch.

Answer: A. A 2023 study found that office workers who walked for ten minutes at lunch reported 20 percent less afternoon tiredness, though the study relied on the workers' own reports.

The finding and the self-report caveat.

Why the other answers are wrong

B. A 2023 study followed 500 office workers.
No finding.
C. Walking at lunch cuts afternoon tiredness by 20 percent.
States the finding as fact, with no limitation.
D. Office workers should walk at lunch.
A recommendation, no finding or limitation.

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