


They may incorrectly attribute it to the Matthew effect or the Dunning–Kruger effect, or they may think that they are deceiving others because they feel as if they are not as intelligent as they outwardly portray themselves to be. Despite external evidence of their competence, those experiencing this phenomenon do not believe they deserve their success or luck.

Impostor syndrome, also known as impostor phenomenon or impostorism, is a psychological occurrence in which people doubt their skills, talents, or accomplishments and have a persistent internalized fear of being exposed as frauds. For other uses, see Impostor syndrome (disambiguation).
