Jean PiagetJean Piaget (August 9, 1896 – September 16, 1980) was a Swiss developmental psychologist, famous for working out a sequence of stages of cognitive development, and notable for his idea that children (and indeed adults) are continually generating theories about the external world (which are kept or dismissed depending on whether we see them working or not in practice). Biography: early lifeHe 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 mollusks, 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. He 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 developmentPiaget became a professor of psychology at the University of Geneva from 1929 to 1975 and is best known for organizing cognitive development into a series of stages-- the levels of development corresponding to infancy, childhood, and adolescence. These four stages 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). Advancement through these levels was explained through biology and culture along with a "third factor" called equilibration, working inter-dependently with the other two. Piaget's view of the child's mindPiaget 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 conserve 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. Another surprise is if you tell them a magic bunny moved the objects they would conserve higher numbers. Most people miss that children are theoretical. But many children have imaginary playmates and love to play the game of let's pretend. InfluencePiaget's theory of cognitive development has proved influential, 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 understanding 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, education means making creators... You have to make inventors, innovators, not conformists." (Bringuier, 1980, p.132). Major works and achievementsSingle "best read"
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You have to make inventors, innovators, not conformists." (Bringuier, 1980, p.132). The philosopher Thomas Kuhn credited Piaget's work in helping him understanding the transition between modes of thought which characterised his theory of paradigm shifts. Scientists determined the levels of arsenic from hair and nail samples. 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. However critics point out the cause of death remains unknown, despite frequent reporting in the media otherwise. 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. It is widely held that the cause of Taylor's death was put to rest in the early 1990s when Taylor's remains were exhumed and examined [1] for arsenic poisoning. Seymour Papert used Piaget's work while developing the Logo programming language. Taylor was succeeded by his vice president, Millard Fillmore. Piaget also had a considerable impact in the field of computer science and artificial intelligence. He is buried in Louisville, Kentucky in the Zachary Taylor National Cemetery. Among others, the philosopher and social theorist Jürgen Habermas has incorporated it into his work, most notably in The Theory of Communicative Action. He died five days later, after just 16 months in office. Piaget's theory of cognitive development has proved influential, notably on the work of Lev Vygotsky and of Lawrence Kohlberg. After participating in ceremonies at the Washington Monument on a blistering July 4, 1850, Taylor fell ill with acute indigestion and was diagnosed by his physicians with cholera morbus. But many children have imaginary playmates and love to play the game of let's pretend. with less reluctance than he had hanged deserters and spies in Mexico." He never wavered. Most people miss that children are theoretical. Persons "taken in rebellion against the Union, he would hang .. Another surprise is if you tell them a magic bunny moved the objects they would conserve higher numbers. He told them that if necessary to enforce the laws, he personally would lead the Army. 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. In February 1850 President Taylor had held a stormy conference with southern leaders who threatened secession. If you reduce the number to three they could conserve numbers. In addition, Taylor's solution ignored several acute side issues: the northern dislike of the slave market operating in the District of Columbia and the southern demands for a more stringent fugitive slave law. For example children may not be able to conserve five checkers spread out and report that there are more checkers. Southerners were furious, since neither state constitution was likely to permit slavery; members of Congress were dismayed, since they felt the President was usurping their policy-making prerogatives. Piaget however used their problem areas to help understand their cognitive growth and development. Therefore, to end the dispute over slavery in new areas, Taylor urged settlers in New Mexico and California to draft constitutions and apply for statehood, bypassing the territorial stage. Some people have used his ideas to focus on what children cannot do. Traditionally, people could decide whether they wanted slavery when they drew up new state constitutions. Piaget viewed children as little philosophers and scientists building their own individual theories of knowledge. Under Taylor´s administration the United States Department of the Interior was organized, although the Department had been activated under President Polk´s last day in office. Advancement through these levels was explained through biology and culture along with a "third factor" called equilibration, working inter-dependently with the other two. As disheveled as always, Taylor tried to run his administration in the same rule-of-thumb fashion with which he had fought Indians. These four stages 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). He acted at times as though he were above parties and politics. Piaget became a professor of psychology at the University of Geneva from 1929 to 1975 and is best known for organizing cognitive development into a series of stages-- the levels of development corresponding to infancy, childhood, and adolescence. Although Taylor had subscribed to Whig principles of legislative leadership, he was not inclined to be a puppet of Whig leaders in Congress. In 1923, he married Valentine Châtenay, and they had three children, whom he studied from infancy. Constitutionally, Taylor's term began at noon on March 4, regardless of whether he had taken the oath or not. In 1921, he returned to Switzerland as director of the Rousseau Institute in Geneva. Some people postulate that David Rice Atchison, the previous President Pro Tempore of the Senate, was technically Acting President, but this statement is rejected by virtually every constitutional scholar. 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. As a result, it is claimed that the nation technically had no President or Vice President for one day. His interest in psychoanalysis can also be dated to this period. Vice President Millard Fillmore was also not sworn in on that day. 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 term of service was scheduled to begin at noon on March 4, 1849, but it being a Sunday, Taylor refused to be sworn in until the following day. in natural science from the University of Neuchâtel and studied briefly at the University of Zürich. Taylor earned a footnote in Presidential history before he even took office. He received a Ph.D. In a close election, the Free Soilers pulled enough votes away from Cass to elect Taylor. Over the next seven decades he wrote more than sixty books and several hundred articles. In protest against Taylor, a slaveholder, and Cass, an advocate of "squatter sovereignty," northerners who opposed extension of slavery into territories, formed the Free Soil Party and nominated Martin Van Buren. His long scientific career began in 1907 at the age of eleven with the publication of a short paper on the albino sparrow. He ran against the Democratic candidate, Lewis Cass, who favored letting the residents of territories decide for themselves whether they wanted slavery. He was a precocious child and developed an interest in biology, particularly of mollusks, to the point of publishing a number of papers before he graduated from high school. He also had not previously committed himself on troublesome issues. His father, Arthur, was a professor of medieval literature at the University of Neuchâtel. His homespun ways were political assets, his long military record would appeal to northerners, and his ownership of slaves would attract southern votes. He was born in Neuchâtel in the French-speaking part of Switzerland. In fact, he had never even bothered to register, and didn't vote in his own election. . He received the Whig nomination for President in 1848, although he had never even bothered to vote before. Jean Piaget (August 9, 1896 – September 16, 1980) was a Swiss developmental psychologist, famous for working out a sequence of stages of cognitive development, and notable for his idea that children (and indeed adults) are continually generating theories about the external world (which are kept or dismissed depending on whether we see them working or not in practice). Taylor, incensed, thought that "the battle of Buena Vista opened the road to the city of Mexico and the halls of Montezuma, that others might revel in them.". 1971-80 Emeritus Professor, University of Geneva. He sent an expedition under General Winfield Scott to capture Mexico City. 1955-80 Director, International Centre for Genetic Epistemology, Geneva. Polk kept Taylor in northern Mexico, disturbed by his informal habits of command and his affiliation with the Whig Party. 1952-64 Professor of Genetic Psychology, Sorbonne, Paris. Polk later declared war; in the Mexican-American War that followed, Taylor won additional important victories at Monterrey and Buena Vista and became a national hero. 1940-71 Professor of Experimental Psychology, University of Geneva. When the Mexicans attacked Taylor's troops, Taylor defeated them despite being outnumbered 4-to-1. 1939-51 Professor of Sociology, University of Geneva. Polk sent an army under his command to the Rio Grande in 1846. 1938-51 Professor of Experimental Psychology and Sociology, University of Lausanne. President James K. 1932-71 Director, Institute of Educational Sciences, University of Geneva. During the Seminole War he gained the nickname "Old Rough and Ready" after the Battle of Lake Okeechobee. 1929-67 Director, International Bureau of Education, Geneva. Taylor also served in the Black Hawk War (1832) and the Second Seminole War (1835–1842). 1929-39 Professor of the History of Scientific Thought, University of Geneva. It is believed that Taylor sometimes needed to be boosted into his saddle. 1925-29 Professor of Psychology, Sociology and the Philosophy of Science, University of Neuchatel. Taylor was also noted for standing 5'8" or 5'9" tall and weighing between 170 and 200 pounds, with long arms, short, stubby legs and a thick torso. 1921-25 Research Director, Institut Jean-Jacques Rousseau, Geneva. In the War of 1812 (1812–1815), he became known as an excellent military commander. Hove, UK: Psychology Press. Soon afterward he was ordered west into Indiana Territory, taking command of Fort Harrison. Studies in Reflecting Abstraction. Army and was commissioned as a first lieutenant. (2001). In 1808, Taylor joined the U.S. Piaget, J. They had one son and five daughters, two of whom died in infancy. New Ideas in Psychology, 18, 241-59. As an infant he and his family moved to Kentucky, where Taylor grew up on a plantation and was known as "Little Zack." Taylor and Margaret Mackall Smith met in early 1810 and were married on June 21, 1812. Commentary on Vygotsky. Taylor was born in a log cabin to Richard Taylor and Sarah Strother, near Barboursville, Virginia, though his family was aristocratic. (2000). . Piaget, J. He was the second president to die in office. London: Routledge. Taylor was noted for his extensive military career, becoming the first president not previously elected to any other public office. Sociological Studies. Zachary Taylor (November 24, 1784 – July 9, 1850), also known as "Old Rough and Ready," was the twelfth President of the United States, serving from 1849 to 1850. (1995). Piaget, J. New York: Wiley. 1. Vol. 4th edition. Handbook of Child Psychology. Mussen (ed). In P. Piaget's theory. (1983). Piaget, J. Chicago: University of Chicago Press. Biology and Knowledge. (1971). Piaget, J. New York: Harper & Row. Structuralism. (1970). Piaget, J. New York: Norton. Play, Dreams and Imitation in Childhood. (1962). Piaget, J. New York: Basic Books. The Growth of Logical Thinking from Childhood to Adolescence. Piaget (1958). and J. Inhelder, B. Chicago: University of Chicago Press. Conversations with Jean Piaget. (1980). Bringuier, J-C. |