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Conservation of Amount vs. Weight: A Critical Consideration of Piaget’s Conservation Sequence

Conservation of Amount vs. Weight: A Critical Consideration of Piaget’s Conservation Sequence. Danielle Schumer Child Growth & Development Research study. JEAN PIAGET (1896-1980). Born in Switzerland Published his first article at the age of 10

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Conservation of Amount vs. Weight: A Critical Consideration of Piaget’s Conservation Sequence

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  1. Conservation of Amount vs. Weight: A Critical Consideration of Piaget’s Conservation Sequence Danielle Schumer Child Growth & Development Research study

  2. JEAN PIAGET (1896-1980) • Born in Switzerland • Published his first article at the age of 10 • Published over 60 books and several hundred articles • studied natural sciences at the University of Neuchâtel – obtained his Ph.D • Successively or simultaneously, Piaget occupied several chairs • In 1955, he created and directed the International Center for Genetic Epistemology until his death

  3. Piaget’s Four Stage Theory Sensorimotor(birth to about age 2) Child learns about self and environment through reflex and motor actions. Thought derives from sensation and movement. Pre-Operational (About age 2 to age 7) child begins to use symbols to represent objects and reason scientifically. Also Child is oriented to the present and to his or her own ideas or thoughts. Concrete operational (About age 7 to age 11) child develops an ability to think abstractly and to make rational judgments about concrete or observable phenomena. Accommodation increases. Formal operational (About age 11 Forward) person no longer requires concrete objects to make rational judgments. capable of hypothetical and deductive reasoning. CONSERVATION

  4. CONSERVATION = • Ability tologically determine that a certain quantity or substance will remain the same despite adjustment of the container, shape, or apparent size of the object. • Ability to understand conservation tasks to maintain the consistency of a substance despite perceived changes. • When this type of task is achieved, the child demonstrates concrete operational capabilities. Typical Conservation Task

  5. CONSERVATION ARGUMENTS • IDENTITY ARGUMENT “You just crushed it. You didn’t take away any.” - Marianne, 8 • COMPENSATION ARGUMENT “Because all you did was stick it up so its taller. The ball is still more.” - Matthew, 7.5 • INVERSION ARGUMENT “Its still medium sized. When you squish [the hotdog] it turns back into a ball.” - Kayla, 8 • “TRANSFER” AFFECT “Same as last time.” [referring back to amount task while considering weight task] - Sarah, 7.5

  6. CONSERVATION SEQUENCE “The child discovers the conservation of substance at seven or eight, as is clear from his judgment of changes in shape of a lump of clay. He discovers the conservation of weight at nine or ten, and the conservation of volume at eleven or twelve.” Piaget, The Psychology of the Child, p. 99 SUBSTANCE VOLUME WEIGHT

  7. Contradicting Research:Sequence in Weight & Amount ConservationWhite, Michel, Butcher, & Mebert (1978) Participants: 60 Six-year-old children Used 3 different tasks to test both conservation of amount & of Weight Also allowed children to use a scale to verify their weight Answers 11 showed conservation of weight without amount, none showed conservation of amount without weight Research contradicted piaget’s conservation sequence theory

  8. Contradicting Research:Sequence in Weight & Amount ConservationWhite, Michel, Butcher, & Mebert (1978) CONCLUSION: “The Results were interpreted in terms of a conceptual distinction between the pure concept of substance underlying the child’s ability to conserve various substance properties and the concept of amount as a property of substance”

  9. To test Piaget’s theory of the acquisition of varieties of conservation in a set order, i.e. substance, then weight, then volume. • To determine, through the utilization of substance conservation tasks and weight conservation tasks, whether or not a child acquires conservation of these tasks in a specific order. OBJECTIVE

  10. When presented with both a conservation of substance task and a conservation of weight task, will a child only conserve weight once conservation of substance has been acquired? • Is it possible for a child to acquire conservation of weight before acquiring conservation of substance? CRITICAL QUESTIONS

  11. Because weight is one facet of an object which must be fully understand before the substance or object as a whole can be understood, I believe some children will acquire conservation of weight before conservation of substance. HYPOTHESIS

  12. Holy Family of Nazareth – 2nd Grade • 10 Participants – 5 girls, 5 boys • Diverse race, SES, and intelligence • Range in Age: 7.5-8 • Research done one-on-one SETTING OF RESEARCH

  13. Task 1: (traditional task) Equal Amount & Weight TASKS Task 2: (non-traditional task) Equal Weight & Different Amount A series of questions was asked as different balls were flattened into pancakes or rolled into hotdogs. Each student was asked to state which had more or if both had the same. Task 3: (non-traditional task) Equal Amount & Different Weight

  14. DATA SHEET –Amount Tasks These Responses = Conserver of Traditional Amount Tasks These Responses = Conserver of Non-traditional Amount Task

  15. DATA SHEET –Weight Tasks These Responses = Conserver of Traditional Weight Tasks These Responses = Conserver of Non-traditional Weight Task

  16. 8/10 – Conservers of Amount KEY: T = Traditional NT = Non-Traditional C = Conserver X = Non-Conserver RESULTS 1/10 – Conservers of Weight

  17. Piaget’s theory seems to hold, such that acquisition of conservation of amount does precede acquisition of conservation of weight • Causes of possible discrepancy between my findings and White, Michel, Butcher, & Mebert’s research study: • Their use of a balance/scale • The difference in participant age • The population size • Participants’ understanding of the terms CONCLUSIONS& LIMITATIONS

  18. BIBLIOGRAPHY FOR PRESENTATION Crain, W. (2005). Piaget’s cognitive-developmental theory. Theories of development: Concepts and applications (5th ed.) (pp. 112-150). New Jersey: Pearson Prentice Hall. Piaget, J. and B. Inhelder (1969). The Psychology of The Child. (Helen Weaver, trans.) New York: Basic Books, Inc. (Original work published in 1966). White, K., Michel, G., Butcher, A., & Mebert, C. (1978). SEQUENCE IN WEIGHT AND AMOUNT CONSERVATION. Journal of Genetic Psychology, 133 (2), 241. Retrieved from Academic Search Complete database. Piaget picture. http://www.psywww.com/intropsych/ch10_development/10piaget.jpg Conservation task picture. http://openlearn.open.ac.uk/file.php/3048/ED209_1_006i.jpg Biographical information. http://www.piaget.org/aboutPiaget.html

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