Relationship benefit index (RBI) of all subject – subject dyads in the North group of Taï chimpanzees.
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The RBI is a composite index from two variables: food sharing and agonistic support (see methods). RBI: (1) low benefit partner = non friends, (2) medium benefit partner = weak friends, (3) high benefit partner = good friends.
创建时间:
2015-12-02




