Examined infants' categorization using object manipulation tasks that involved objects that were models of animals, vehicles, or furniture. Objects were normal, had anomalous moving parts (such as a dog with wheels), or had different textures. Found that 14- to 22-month olds attended to the parts and structural configuration of objects, but not to…

Examined whether 2-year-olds can learn a novel part name of an unfamiliar object when adult demonstrates action upon object. Asked 24 Japanese 2-year-olds to choose referent for a whole object and part of the object in forced choice tests. Found that young children are able to override whole object assumption when actions of parts of objects are…