How do the authors describe their result? (Passage: Plant-based diets)
A large study followed 70,000 adults for eleven years and found that those who ate mainly plant-based diets had a 10 per cent lower risk of heart disease than those who ate meat daily. The researchers adjusted for age, smoking and exercise. They noted, however, that people choosing plant-based diets often have higher incomes and better access to healthcare, factors that were only partly measured. The authors therefore describe the result as consistent with a protective effect rather than proof of one.
Answer and explanation
Correct answer: D. Consistent with a protective effect, but not proof of one
- Step 1: Read the last sentence. Step 2. They stress 'consistent with' rather than proof. Answer: Consistent with a protective effect, but not proof of one. Why not the others: The other options overstate or reverse the claim.
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