Conservation (psychology)

Conservation refers to a logical thinking ability that allows a person to determine that a certain quantity will remain the same despite adjustment of the container, shape, or apparent size, according to the psychologist Jean Piaget. His theory posits that this ability is not present in children during the preoperational stage of their development at ages 2–7 but develops in the concrete operational stage from ages 7–11.^[1]^[2]

^ Piaget(1965). The child's conception of number. New York: W. Norton Company & Inc.
^ Siegler, R., DeLoache, J., & Eisenberg., N. (2003). How children develop. New York: Worth Publishers.

[Piaget-1] Piaget(1965). The child's conception of number. New York: W. Norton Company & Inc.

[Siegler-2] Siegler, R., DeLoache, J., & Eisenberg., N. (2003). How children develop. New York: Worth Publishers.

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Conservation (psychology)

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