About six months ago, I tested Inigo for his ability to understand the concept of conservation – if I pour a cup of water into a cup of water into a shallow, wide glass, and a cup of water into a tall, narrow glass, it looks different, but it’s still a cup of water.
Young children don’t get this, older children do. I tested him again today, and he got it straight away. Piaget did some pretty unethical things to his poor child in the name of science, but I understand the thrill!
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