Dunbar's number
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English
Alternative forms
Etymology
Proposed in the 1990s by British anthropologist Robin Dunbar, who found a correlation between primate brain size and average social group size.
Proper noun
- 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.
- 2020, Michael Wooldridge, The Road to Conscious Machines: The Story of AI, Penguin UK, →ISBN:
- Dunbar's number might have remained a curiosity but for the fact that subsequent research found that this number has arisen repeatedly, across the planet, in terms of actual human social group sizes.