Downing effect

noun

The tendency of people with a below average IQ to overestimate their IQ, and of people with an above average IQ to underestimate their IQ.

Meanings

noun
  1. uncommonhuman sciencesThe tendency of people with a below average IQ to overestimate their IQ, and of people with an above average IQ to underestimate their IQ.

Origin

Named after C. L. Downing, who first observed the effect.

Full word history & related roots →
Cite this entry
APA

Downing effect. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Downing%20effect

MLA

“Downing effect.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Downing%20effect. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Downing effect,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Downing%20effect.

Source: Downing effect on Wiktionary, CC BY-SA 4.0.