FBPL_F1507B_ANDERSSONThe research: Yale doctoral candidate Matthew Fisher and his colleagues Mariel Goddu and Frank Keil asked people a series of questions that seemed answerable but were actually difficult. The questions concerned things people assume they know but actually don’t—such as why there are phases of the moon and how glass is made. Some people were allowed to look up the answers on the internet, while others were not. Then the researchers asked a second set of questions on unrelated topics. In comparison with the other subjects, the people who’d been allowed to do online searches vastly overestimated their ability to answer the new questions correctly.

Read the full interview on the Harvard Business Review website.

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