%0 Journal Article %A Toppe, Theo %A Hardecker, Susanne %A Zerres, Franca %A Haun, Daniel Benjamin Moritz %+ Department of Comparative Cultural Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society Department of Comparative Cultural Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society %T The influence of cooperation and competition on preschoolers' prosociality toward in-group and out-group members : %G eng %U https://hdl.handle.net/21.11116/0000-0008-AB9D-7 %R 10.1098/rsos.202171 %7 2021-05-26 %D 2021 %8 26.05.2021 %* Review method: peer-reviewed %J Royal Society Open Science %V 8 %] 202171 %@ 2054-5703