In the context of stress and driving, approximately what percent of motor vehicle crashes are attributed to driver error?

• A. About 25%
• B. About 90%
• C. About 50%
• D. About 10%

Answer: (B)

Verified step by step guidance

1. Understand the context: The question asks about the percentage of motor vehicle crashes attributed to driver error, specifically in relation to stress and driving.
2. Recall relevant psychological research and statistics: Studies in traffic psychology and accident analysis often show that human factors, including driver error, are the leading cause of crashes.
3. Identify the typical range of driver error contribution: Research generally indicates that driver error accounts for a very high percentage of crashes, often cited around 90%.
4. Compare the given options with known data: Among the options (10%, 25%, 50%, 90%), the one closest to the established research findings is about 90%.
5. Conclude that the best answer is the one reflecting the high impact of driver error on crashes, which is approximately 90%.