The emergence of kind concepts: a rejoinder to Needham and Baillargeon (2000).
Xu
F
F
125 NI, Department of Psychology, Northeastern University, Boston, MA 02115, USA. fxu@neu.edu
Carey
S
S
D002657:Child Development; D003071:Cognition; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008568:Memory; D015203:Reproducibility of Results; D012107:Research Design; D014796:Visual Perception