Statement: "Vaccines reduce disease spread."Inference:
Correct answer: C. Vaccines are effective preventives
- A. Everyone should get vaccinated
- B. Unvaccinated people spread disease
- C. Vaccines are effective preventives
- D. No one dies of disease
Explanation
The correct answer is Option C: Vaccines are effective preventives. This option is a direct inference from the statement that vaccines reduce disease spread, indicating their effectiveness in prevention. Option A, suggesting that everyone should get vaccinated, is a recommendation rather than a direct inference. Option B implies that unvaccinated people spread disease, which is more of a contrast or assumption than a direct inference. Option D makes an unsupported absolute claim that does not logically follow from the statement about reducing disease spread.
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About Critical Thinking
Critical thinking examines how conclusions follow from evidence, including claims, assumptions, arguments, inferences and relevant facts. Questions ask you to identify hidden assumptions, distinguish strong from weak evidence, assess cause and effect, recognise common reasoning errors, and decide which statement strengthens or weakens an argument.
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