27. Car Accidents

We know that small errors in intuitive judgments can lead to irreparable consequences. This is true in our investment choices, deciding when to retire, or to double down in Blackjack. But motor vehicle crashes are a clearer and more present danger. When you make an error in reasoning or a faulty decision when you are driving, it can change your life forever.

Dr. Donald Redelmeier is an internist at Sunnybrook Health Sciences Centre in Toronto who treats trauma victims and their injuries, such as shattered skulls, fractures, organ rupture, and internal bleeding. Redelmeier has an additional line of work: He has a background in cognitive psychology, studying errors in medical reasoning. One of his early studies found a widely ...

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