Overconfidence

Studies in Swollen Heads: What Causes Overconfidence?

A set of experiments demonstrates how people can underestimate or forget about the importance of practicing an activity in order to do it well.
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  • Experiments show that people who display the powerful, confident body language associated with leadership tend to dominate decision making—even when their ideas were entirely incorrect. More

    When Looking Like a Leader Derails the Group

    Experiments show that people who display the powerful, confident body language associated with leadership tend to dominate decision making—even when their ideas were entirely incorrect. More

  • Watching YouTube videos, Instagram demos, and Facebook tutorials may make us feel as though we're acquiring all sorts of new skills but it probably won’t make us experts. More

    This is a photo of a dartboard with darts.

    Watching Others Makes People Overconfident in their Own Abilities

    Watching YouTube videos, Instagram demos, and Facebook tutorials may make us feel as though we're acquiring all sorts of new skills but it probably won’t make us experts. More

  • Distinguished Lecturer David Dunning of Cornell University explores research into the accuracy — and, more commonly, the errors — of human judgment. More

    Reflections on the Failure of Ignorance to Recognize Itself

    Distinguished Lecturer David Dunning of Cornell University explores research into the accuracy — and, more commonly, the errors — of human judgment. More

  • Teamwork isn’t always a reliable approach to strategic planning, problem solving, or simple execution of tasks. More

    Collaboration Can Breed Overconfidence

    Teamwork isn’t always a reliable approach to strategic planning, problem solving, or simple execution of tasks. More

  • New research suggests that overconfidence is strongly linked with narcissism and is particularly likely to emerge when highly narcissistic people feel powerful. More

    Why Narcissistic Leaders Are Prone to Overconfidence

    New research suggests that overconfidence is strongly linked with narcissism and is particularly likely to emerge when highly narcissistic people feel powerful. More

  • A collection of new studies confirms that overprecision is a common and robust form of overconfidence driven, in part, by excessive certainty in the accuracy of our judgments. More

    People Are Overly Confident in Their Own Knowledge, Despite Errors

    A collection of new studies confirms that overprecision is a common and robust form of overconfidence driven, in part, by excessive certainty in the accuracy of our judgments. More

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