New research challenges conventional wisdom that larger group size reduces cooperation by showing that fluid connections and innate prosocial instincts enable humans to thrive in larger social circles ...

An article in Campbell Systematic Reviews reveals that there are surprisingly few high-quality studies that have examined the effects of reducing adult/child ratios and group sizes on factors such as ...

Group living is common across many species, and group sizes range from small (e.g., the Elephant herd and Lion pride) to very large (e.g., bird flocks or fish schools). Different species evolved ...

Can bigger groups foster stronger cooperation? New research from the RIKEN Center for Brain Science (CBS), published in Communications Psychology on December 23, challenges conventional wisdom that ...