%0 Journal Article %A Warneken, Felix %A Graefenhain, Maria %A Tomasello, Michael %+ Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society %T Collaborative partner or social tool? New evidence for young children’s understanding of joint intentions in collaborative activities : %G eng %U https://hdl.handle.net/11858/00-001M-0000-0010-16E9-E %R 10.1111/j.1467-7687.2011.01107.x %7 2011-11-02 %D 2012 %J Developmental Science %O Dev. Sci. %V 15 %N 1 %& 54 %P 54 - 61 %I Wiley-Blackwell %C Oxford, UK %@ 1363-755X