Browsing by Author "Kabalak, Alihan"

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    • Chimpanzees return favors at a personal cost. 

      Schmelz, Martin; Grueneisen, Sebastian; Kabalak, Alihan; Jost, Jürgen; Tomasello, Michael (Proc Natl Acad Sci U S A, 2017-06-19)
      Humans regularly provide others with resources at a personal cost to themselves. Chimpanzees engage in some cooperative behaviors in the wild as well, but their motivational underpinnings are unclear. In three experiments, ...