Human grooming in comparative perspective: People in six small‐scale societies groom less but socialize just as much as expected for a typical primate

American Journal of Physical Anthropology Vol/Iss. 162(4) Wiley Published In Pages: 810-816
By Jaeggi, Adrian V., Kramer, Karen L., Hames, Raymond, Kiely, Evan J., Gomes, Cristina, Kaplan, Hillard, Gurven, Michael


Observed conversation time among human populations should fall well below the expected grooming times for humans based on nonhuman primate patterns (2).


Human populations did not spend less time than expected conversing than they were expected to spend grooming, as predicted by primate patterns.


Test NameSupportSignificanceCoefficientTail
Bayesian phylogenetic modelNot SupportedUNKNOWNUNKNOWNUNKNOWN


Variable NameVariable Type OCM Term(s)
Time spent grooming UNKNOWNPersonal Grooming, Personal Hygiene
Time spent conversingUNKNOWNConversation