Now showing items 1-1 of 1

    • Chimpanzees return favors at a personal cost. 

      Schmelz, M; Grueneisen, S; Kabalak, A; Jost, J; 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, ...