Comment on Gignac and Zajenkowski, “The Dunning-Kruger effect is (mostly) a statistical artefact: Valid approaches to testing the hypothesis with individual differences data”

• Published in: Intelligence (Norwood) Vol. 97; p. 101732
• Main Author: Hiller, Avram
• Format: Journal Article
• Language: English
• Published: Elsevier Inc 01.03.2023
• Subjects: Dunning-Kruger effect; Levels of measurement; Measurement theory; Mere statistical explanations; Self-assessed intelligence; Dunning-Kruger effect; Levels of measurement; Measurement theory; Self-assessed intelligence; Mere statistical explanations

Gignac and Zajenkowski (2020) find that “the degree to which people mispredicted their objectively measured intelligence was equal across the whole spectrum of objectively measured intelligence”. This Comment shows that Gignac and Zajenkowski (2020) finding of homoscedasticity is likely the result o...