All experiments
Metacognition
Overconfidence Effect
How well do you know what you know?
~90 secLichtenstein, Fischhoff & Phillips (1982)
Before a short general-knowledge quiz, predict your score. Afterwards, see how your actual performance compares to your prediction — and to the aggregate overconfidence gap.
Test your calibration
You will take a 5-question general knowledge quiz. Before you begin, predict the percentage of questions you'll answer correctly.
Research shows that most people are significantly overconfident — their predictions consistently exceed their actual performance.