When success is important to you, you can take it badly if you get something wrong. To become truly proficient, though, we need to understand that mistakes are part of the process and to be expected.

We all make mistakes—indeed, it happens far more often than we realize. So why does it often take us by surprise when we find out that we’re wrong about something?

Error blindness

Kathryn Schulz, author of Being Wrong: Adventures in the Margin of Error, has spent a lot of time pondering why our default assumption is that we are always right. She observes that from a young age we learn that people who get lots of things wrong didn’t study for ...

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