This article explores the effect of ideological polarization on team performance. By analysing millions of edits to Wikipedia, the authors reveal that politically diverse editor teams produce higher-quality articles than homogeneous or moderate teams, and they identify the mechanisms responsible for producing these superior articles.
The wisdom of polarized crowds
Feng Shi, Misha Teplitskiy, Eamon Duede & James A. Evans
Nature Human Behaviour (2019)