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