A public-service advertisement advises that people who have consumed alcohol should not drive until they can do so safely. In a hospital study, however, subjects questioned immediately after they consumed alcohol underestimated the time necessary to regain their driving ability. This result indicates that many people who drink before driving will have difficulty following the advertisement’s advice.
Which of the following, if true, most strongly supports the argument above?

Question

Examsnet · Accepted Answer

Correct Answer is :  The subjects in the hospital study generally rated their abilities more conservatively than would people drinking alcohol outside a hospital setting.

GMAT Verbal Reasoning Practice Test 7