These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
- 1.Piaget, J.: Judgment and Reasoning in the Child. New York: Harcourt, Brace & Co. 1928; Piaget, J.: The Child's Construction of Reality. London: Routledge & Kegan Paul 1955Google Scholar
- 2.Gillan, D. J.: J. Exp. Psychol. Anim. Behav. Process.7, 150 (1981); McGonigle, B. O., Chalmers, M.: Nature267, 694 (1977)Google Scholar
- 3.Bryant, P. E., Trabasso, T. ibid232, 456 (1971); Chalmers, M., McGonigle, B. O.: J. Exp. Child Psychol.37, 355 (1984)Google Scholar
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