Imposter Syndrome
Imposter syndrome is the persistent private sense that your achievements are undeserved and that you'll eventually be exposed as a fraud — held despite clear evidence that you're competent.
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Imposter syndromevsDunning-Kruger effect
The short answer
They're near mirror images. Imposter feelings involve competent people underrating themselves; the Dunning-Kruger pattern involves the least skilled overestimating how they did. One doubts real evidence of ability; the other is usually read as not seeing the gap — though that reading is contested, and Dunning and Kruger's own data also showed top performers underrating themselves.
Side by side
| Aspect | Imposter syndrome | Dunning-Kruger effect |
|---|---|---|
| Actual ability | Usually high | Low |
| Self-assessment | Too low | Too high |
| Feels like | Fraudulence | Confidence |
| Status | Not a diagnosis | A research finding |
What each one means
Dunning-Kruger Effect
The Dunning-Kruger effect is a cognitive bias where people who know the least about something tend to overestimate how much they know — because the very skill needed to spot their mistakes is the skill they're missing. That mechanism is the standard account, and it is contested.
Full definition of Dunning-Kruger Effect →