Tomasello, Michael Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;
Warneken, F., Graefenhain, M., & Tomasello, M. (2012). Collaborative partner or social tool? New evidence for young children’s understanding of joint intentions in collaborative activities. Developmental Science, 15(1), 54-61. doi:10.1111/j.1467-7687.2011.01107.x.