GMAT Critical Reasoning (CR) | Early data on seat-belt use showed that seat-belt wearers

Early data on seat-belt use showed that seat-belt wearers were less likely to be killed in road accidents. Hence, it was initially believed that wearing a seat-belt increased survival chances in an accident. But what the early analysts had failed to see was that cautious drivers were more likely to wear the belts and were also less likely to cause "big accidents", while reckless drivers were more likely to be involved in "big" accidents and were less likely to wear the belts.

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