On the Power of Diversity to Solve Problems

What is more, the effect was large: groups that has to accommodate an outsider were substantially more likely to reach the correct conclusion — they did so 75 per cent of the time, versus 54 per cent for a homogeneous group and 44 per cent for an individual.

Excerpt from: Messy: How to Be Creative and Resilient in a Tidy-Minded World by Tim Harford