United States, 1966

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Episode of Series “Piaget’s Developmental Theory”.
This film deals with the distinct developmental changes in a young child’s ability to conserve on a number of tasks. Conservation is defined and the tasks used in the film are conservation of liquid, length, area and volume. The tasks are analysed using a theory suggested by Piaget.

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production company

Davidson Films



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United States
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Piaget's Developmental Theory

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Piaget's Developmental Theory


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If you would like to cite this item, please use the following template: {{cite web |url= |title=Conservation |author=Australian Centre for the Moving Image |access-date=24 September 2023 |publisher=Australian Centre for the Moving Image}}