Dunbar proposed that group sizes of _____ tend to be correlated with increased brain size in primates.

A) about 50
B) about 100
C) about 150
D) more than 200

Dunbar

Refers to the Dunbar's number, a theoretical cognitive limit to the number of people with whom one can maintain stable social relationships.

Group Sizes

The number of individuals constituting a group, which can affect dynamics, interaction, and outcomes in social, educational, and work settings.

Brain Size

The physical size of the brain, often related to various factors including species, age, and cognitive abilities.