In survey after survey, most drivers rate themselves as better than most drivers

Ask a group to rate their own skill, ethics or health against their peers, and a mathematically impossible majority consistently places itself above average. Named after Garrison Keillor's fictional town where 'all the children are above average,' it shows up across driving, intelligence and even sense of humour.

— Various social psychologists, following early work by Ola Svenson, Unskilled and Unaware — and related illusory superiority research — Svenson, Acta Psychologica, 1981