Piaget's Classic Conservation Task Involves Two Short Containers That Contain

question 208

Multiple Choice

Piaget's classic conservation task involves two short containers that contain equal amounts of liquid. While a child watches, the water from one container is poured into a tall, thin beaker. The child is asked which beaker holds more water, the short container or the tall container. Four-year-old Daniel answers the question incorrectly, while seven-year-old Emily is able to answer the question correctly. Why?

• A) Daniel is in the preoperational stage, while Emily is in the concrete operational stage.
• B) Girls progress through the stages of cognitive development earlier and faster than boys do.
• C) Emily is in the formal operational stage, and Daniel is in the concrete operational stage.
• D) Daniel is in the sensorimotor stage, and Emily is in the preoperational stage.

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