%0 Journal Article %A Liszkowski, Ulf %A Carpenter, Malinda %A Tomasello, Michael %+ Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society %T Twelve-month-olds communicate helpfully and appropriately for knowledgeable and ignorant partners : %G eng %U https://hdl.handle.net/11858/00-001M-0000-000F-FC45-2 %F EDOC: 391606 %R 10.1016/j.cognition.2008.06.013 %D 2008 %J Cognition %V 108 %N 3 %& 732 %P 732 - 739