Psychology / Unit 8 Psych 0887 short lesson, about 20 seconds
Conservation
Captions available
The idea
Conservation is the understanding that quantity remains the same despite changes in shape or arrangement.
In practice
A child says the taller narrow glass holds more after watching the same water poured into it.
Where people slip
Conservation appears at different ages for number, mass, and volume in the same child.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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