摘要: This study examines the abstractness of children's mental representation of counting, and their understanding that the last number word used in a count tells how many items there are …
James G. Greeno, Rochel Gelman, On the nature of competence: Principles for understanding in a domain.Prepared on the basis of talks given at the Jul, 1985 symposium on Cognition and Instruction at the Learning Research and Development Center [LRDC], University of Pittsburgh, which was held in celebration of LRDC's 20th Anniversary and to honor Robert Glaser.. ,(1989)