1896-1980 sentence example

  • The concept of gender constancy, influenced by the cognitive development theory of French psychologist Jean Piaget (1896-1980), was introduced by Lawrence Kohlberg (1927-1987).
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  • The most well-known and influential theory of cognitive development is that of French psychologist Jean Piaget (1896-1980).
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  • Within the history of developmental psychology, the work of Jean Piaget (1896-1980), the Swiss psychologist, has had the greatest impact on the study of cognitive development.
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