Category: General Knowledge | Last updated: 2026-09-18

Which cognitive bias describes the phenomenon where people with limited knowledge or competence in a given area tend to overestimate their own abilities, while highly competent individuals often underestimate theirs?

A) Availability Heuristic
B) Dunning-Kruger Effect
C) Anchoring Bias
D) Sunk Cost Fallacy

Explanation

The Dunning-Kruger effect illustrates that those with the least knowledge often have the greatest confidence, while experts tend to be aware of the vastness of what they don't know, leading to underestimation of their own abilities.

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