A recent epidemiological study found that businesspeople who travel internationally on business are much more likely to suffer from chronic insomnia than are businesspeople who do not travel on business. International travelers experience the stresses of dramatic changes in climate, frequent disruption of daily routines, and immersion in cultures other than their travel. Thus, it is likely that these stresses cause the insomnia.
What this question is testing
Your task
Find the choice that makes the argument's conclusion more likely to be true.
Common trap
Answers that are consistent with the argument but add no real support, or that strengthen a claim the argument doesn't make.
Winning move
Locate the gap between evidence and conclusion, then pick the choice that closes it.
Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.