In 1995, a man robbed two banks in Pittsburgh with his face fully visible on surveillance cameras. He later claimed he had smeared lemon juice on his skin, believing it would make him invisible to the ...

David Dunning, now a social psychologist at the University of Michigan, and Justin Kruger, now at NYU, proposed their namesake effect in a famous 1999 paper. In a series of surveys combined with tests ...

Have you ever been listening to someone blab on about something you know nothing about, yet you still try to contribute to the conversation? Welcome to the age of overconfidence, says David Dunning, a ...