1(加) Caes,R.(1998).Chapter 15:The development of conceptual stnlctures.In D. Kuhn & R. Siegler(Eds.),Haridbook of Child Psychology,Volume 2: Cognition,Perception,and Language.New York:John Wiley & Sons, Inc.
2(英)罗素著，马元德译(1990)．西方心理学史．商务印书馆，734页.
3( 美 ) Gelman,R.,& Gallistel,C.R.(1978)The child's understanding of number. Cambridge,MA:Harvard University Press,p.243.
4( 美 ) Clements,D.H.(1984).Training effects on the development and generalization of Piagetian logical operations and knowledge of number Journal of Educational Psychology,76 (5),766-776.
5( 美 ) Fuson,K.C.(1988).Children's countingand concepts of number.New York:Springer Vedag.
7( 加 )Shuster, B.V.(1995).Effects of contextual cues On children's understanding of ordinality and cardinality.Master Thesis,York University,Norty York,Ontario,Canada.AAC MM 10316,p.19.
8( 美 ) Gelman,R.,& Meck,E(1986).The notion of principle:The case of counting.In J. Hiebert(Ed.),Conceptual and Procedural Knowledge:The Case of Mathematica(pp.29-57).Hillsdale,NJ:Lawrence Erlbaum Associates,Publishers.
9( 美 )Dehaene,S.,Dehaene-Lambertz,G.,& Cohen,L.(1998).Abstract representations of numbers in the animal and human brain.Trends in Neurosciences,21 (8),p.354.
10( 美 )Xu,F., & Spelke,E.S.(2000).Large number discrimination in 6-month-old infants.Cognition,74( 1),B 1-B 11.
