Dunbar's number
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English[edit]
Alternative forms[edit]
Etymology[edit]
Proposed in the 1990s by British anthropologist Robin Dunbar, who found a correlation between primate brain size and average social group size.
Proper noun[edit]
- A suggested cognitive limit to the number of people with whom one can maintain stable social relationships. It has been proposed to lie between 100 and 250, with a commonly used value of 150.