%0 Thesis %A Hepach, Robert %+ Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society %T The motivation of early benevolence: An investigation into a causal mechanism of cooperation : %G eng %U https://hdl.handle.net/11858/00-001M-0000-002B-5D96-B %I Univ. %C Leipzig %D 2012 %P ix, 129 %V phd %9 phd %K Helping behavior in children; Cooperativeness in children; Interpersonal relations in children