Now it is the braggarts’ turn to be found out. Scientists claim to have established that, far from being super-sleuths, such people are usually deluded.
Researchers found that they are suffering from “hindsight bias”, when a person genuinely believes that they know something when in fact they are hearing or seeing it for the first time.
Although the effects might seem relatively harmless, researchers claimed it could prevent people learning why something has happened or from taking advice.
Prof Neal Roese, of Northwestern University in Chicago, said: “If you feel like you knew it all along, it means you won’t stop to examine why something really happened.
“It’s often hard to convince seasoned decision-makers that they might fall prey to hindsight bias.”
Read the whole story: The Telegraph