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Jean Piaget (August 9, 1896–September 16, 1980) was a Swiss developmental psychologist, famous for his work with children and his theory of cognitive development. In developmental psychology his theories are often compared and contrasted with those of one of his contemporaries, Lev Vygotsky.

Early life

Piaget was born in Neuchâtel in the French-speaking part of Switzerland.His father, Arthur, was a professor of medieval literature at the University of Neuchâtel. He was a precocious child and developed an interest in biology, particularly of molluscs, to the point of publishing a number of papers before he graduated from high school. His long scientific career began in 1907 at the age of eleven with the publication of a short paper on the albino sparrow. Over the next seven decades he wrote more than sixty books and several hundred articles.

Piaget received a Ph.D. in natural science from the University of Neuchâtel and studied briefly at the University of Zürich. During this time, he published two philosophical papers which showed the direction of his thinking at the time, but which he later dismissed as adolescent work. His interest in psychoanalysis can also be dated to this period.

He then moved from Switzerland to France, where he taught at the school for boys run by Alfred Binet, the developer of the Binet intelligence test, in Grange-aux-Belles. In 1921, he returned to Switzerland as director of the Rousseau Institute in Geneva.

In 1923, he married Valentine Châtenay, and they had three children, whom he studied from infancy.

The stages of cognitive development

Main article: Theory of cognitive development

Piaget became a professor of psychology at the University of Geneva from 1929 to 1975 and is best known for reorganizing cognitive development into a series of stages- the levels of development corresponding roughly to infancy, pre-school, childhood, and adolescence. The four stages, which expand earlier work from James Mark Baldwin, are labeled the Sensorimotor stage, which occurs from birth to age two, (children experience through their senses), the Preoperational stage, which occurs from ages two to seven (motor skills are acquired), the Concrete operational stage, which occurs from ages seven to eleven (children think logically about concrete events), and the Formal Operational stage, which occurs after age eleven (abstract reasoning is developed here). These ages are approximative and great variation between children argue against norms.

Schema

For Piaget, each stage is characterized by a general cognitive structure, which he called a Schema that affects all of the child's thinking (a structuralist view influenced by philosopher Immanuel Kant). Each stage represents the child's current understanding of reality, and each but the last is an inadequate approximation. Development from one stage to the next is thus caused by the accummulation of errors in the child's understanding of the environment, an accummulation which eventually causes such cognitive disequilibrium that thought structures require reorganising.

Piaget's view of the child's mind

Piaget viewed children as little philosophers and scientists building their own individual theories of knowledge. Some people have used his ideas to focus on what children cannot do. Piaget, however, used their problem areas to help understand their cognitive growth and development. For example, children may not be able to conserve five checkers spread out and report that there are more checkers. If you reduce the number to three they could observe numbers. By focusing on the fact they cannot conserve numbers for five items you would be slow to pick up that they can do it for lower numbers. What comes as a surprise is if you tell them a "maughty teddy" moved the objects, they would conserve higher numbers.

Influence

Piaget's theory of cognitive development influenced many other researchers, notably on the work of Lev Vygotsky and of Lawrence Kohlberg. Among others, the philosopher and social theorist Jürgen Habermas has incorporated it into his work, most notably in The Theory of Communicative Action. Piaget also had a considerable impact in the field of computer science and artificial intelligence. Seymour Papert used Piaget's work while developing the Logo programming language. Alan Kay used Piaget's theories as the basis for the Dynabook programming system concept, which was first discussed within the confines of the Xerox Palo Alto Research Center, or Xerox PARC. These discussions led to the development of the Alto prototype, which explored for the first time all the elements of the graphical user interface (GUI), and influenced the creation of user interfaces in the 1980's and beyond. The philosopher Thomas Kuhn credited Piaget's work in helping him understand the transition between modes of thought which characterised his theory of paradigm shifts. Piaget has had a substantial impact on approaches to education. In Conversations with Jean Piaget, he says: "Education, for most people, means trying to lead the child to resemble the typical adult of his society . . . but for me and noone else, education means making creators. . . . You have to make inventors, innovators—not conformists," (Bringuier, 1980, p.132).

Appointments

  • 1921-25 Research Director, Institut Jean-Jacques Rousseau, Geneva
  • 1925-29 Professor of Psychology, Sociology and the Philosophy of Science, University of Neuchatel
  • 1929-39 Professor of the History of Scientific Thought, University of Geneva
  • 1929-67 Director, International Bureau of Education, Geneva
  • 1932-71 Director, Institute of Educational Sciences, University of Geneva
  • 1938-51 Professor of Experimental Psychology and Sociology, University of Lausanne
  • 1939-51 Professor of Sociology, University of Geneva
  • 1940-71 Professor of Experimental Psychology, University of Geneva
  • 1952-64 Professor of Genetic Psychology, Sorbonne, Paris
  • 1955-80 Director, International Centre for Genetic Epistemology, Geneva
  • 1971-80 Emeritus Professor, University of Geneva


Publications

Books

  • Piaget, J. (1932) The Moral Judgement of the Child ,London: Routledge & Kegan Paul.
  • Piaget, J. (1952) The Origins of Intelligence in Children, New York: International Universities Press.
  • Inhelder, B. and J. Piaget (1958). The Growth of Logical Thinking from Childhood to Adolescence. New York: Basic Books.
  • Piaget, J. (1959) The Language and Thought of the Child, London: Routledge & Kegan Paul,
  • Piaget, J. and Inhelder, B. (1962). The Psychology of the Child. New York:Basic Books
  • Piaget, J. (1962). Play, Dreams and Imitation in Childhood. New York: Norton.
  • Piaget, J. (1970). Structuralism. New York: Harper & Row.
  • Piaget, J. (1971). Biology and Knowledge. Chicago: University of Chicago Press.
  • Piaget, J. (1995). Sociological Studies. London: Routledge.
  • Piaget, J. (2001). Studies in Reflecting Abstraction. Hove, UK: Psychology Press.

Book Chapters

  • Piaget, J. (1983). "Piaget's theory". In P. Mussen (ed). Handbook of Child Psychology. 4th edition. Vol. 1. New York: Wiley.


Papers

  • Piaget, J. (2000). "Commentary on Vygotsky". New Ideas in Psychology, 18, 241-59.


External links

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Further reading

  • Vonèche, J.J. (1985). Genetic epistemology: Piaget's theory. International Encyclopedia of Education, Vol. 4. Oxford: Pergamon.
  • Kitchener, R. (1986). Piaget's theory of knowledge. New Haven: Yale University Press.
  • Chapman, M. (1988). Constructive evolution: origins and development of Piaget's thought. Cambridge: Cambridge University Press.
  • Beilin, H. (1992). Piaget's enduring contribution to developmental psychology. Developmental Psychology, 28, 191-204.
  • Smith, L. (1992). Jean Piaget: critical assessments. 4 Vols. London: Routledge.
  • Smith, L. (1996). Critical readings on Piaget. London: Routledge.
  • Vidal, F. (1994). Piaget before Piaget. Cambridge, MA: Harvard University Press.
  • Kesselring, Th. (1999). Jean Piaget. München: Beck
  • Smith, L. (2001). "Jean Piaget". In J. A. Palmer (ed) 50 Modern thinkers on education: from Piaget to the present. London: Routledge
  • Gattico, E. (2001). Jean Piaget. Milano: Bruno Mondadori
  • Aqueci, F. (2003). Ordine e Trasformazione. Morale, Mente, Discorso in Jean Piaget. Acireale-Roma: Bonanno
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