01 · Side by side

Side by side

Comparison sheet
AspectImposter syndromeDunning-Kruger effect
Actual abilityUsually highLow
Self-assessmentToo lowToo high
Feels likeFraudulenceConfidence
StatusNot a diagnosisA research finding
ConfidenceToo lowToo high
Skill levelOften highLow
Blind spotCan't see the skillCan't see the gap
FeelsFraudulentCertain
02 · Which one you meant

Which one did you mean?

In shortReaders who land here meaning Imposter Syndrome rather than Dunning-Kruger effect are usually searching for phrases like “I feel like a fraud at work”, “waiting to be found out despite doing well”, “why can't I believe I earned this”.

Imposter Syndrome

  • “I feel like a fraud at work”
  • “waiting to be found out despite doing well”
  • “why can't I believe I earned this”
  • “is imposter syndrome real”

Dunning-Kruger Effect

  • “when the person who knows the least is the most confident”
  • “why beginners think they're experts”
  • “the bias where a little knowledge feels like a lot”
  • “not knowing enough to realise how much you don't know”
03 · Which came first

Which came first

In shortImposter syndrome. 1978 — Pauline Rose Clance and Suzanne Imes describe the 'impostor phenomenon' in high-achieving women who could not internalise their own success.

  1. 1978

    Imposter Syndrome. Pauline Rose Clance and Suzanne Imes describe the 'impostor phenomenon' in high-achieving women who could not internalise their own success.

  2. 1999

    Dunning-Kruger Effect. Justin Kruger and David Dunning — in that author order — publish 'Unskilled and Unaware of It' in the Journal of Personality and Social Psychology, both then at Cornell.

04 · Read either one

Read either one in full