cross-posted from: https://lemmy.ml/post/27121839
this post was submitted on 13 Mar 2025
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This is Piaget's conservation of volume test. I did this experiment at school (we went to the elementary school next door and ran tests on the kids). Most of the kids said the higher one held more liquid because it was 'taller', though some said the short one had more because it was 'fatter'.