3BAILLARGEON R,GRABER M. Where is the rabbit:5-5-month-old infants' representation of the hight of a hidden object[J].Cognitive Development,1987,(02):375-392.
4SPELKE E S. Principles of object perception[J].Cognitive Science,1990,(14):29-56.
5SPELKE E S,HERMER L. Early cognitive development:Objects and space[A].San Diego:academic Press,1996.
6WYNN K. Psychological foundations of number:Numerical competence in human infants[J].Trends in Cognitive Sciences,1998,(02):296-303.
7STARKEY P. The early development of numerical reasoning[J].Cognition,1992,(43):93-126.
8JULIE F(e)RON,EDOUARD GENTAZ,ARLETTE STRERI. Evidence of amodal representation of small numbers across visuo-tactile modalities in 5-month-old infants[J].Cognitive Development,2006,(02):81-92.
9HUTTENLOCHER J,JORDAN N C,COHEN LEVINE S. A mental model for early arithmetic[J].Journal of Experimental Psychology,1994,(03):284-296.
10WYNN K. Children's acquisition of the number words and the counting system[J].Cognitive Psychology,1992,(04):220-251.
