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A five year old boy doesn't understand that the water amount never changes even if the glass it is in does
lissaz00 • 145,919 views
Its perfectly normal to not understand conservation before the age of seven. this isn't an experiment, just a case study in developmental psychology
bad bass, old strings, tiny crappy amp, but here it is
53 views
Its perfectly normal to not understand conservation before the age of seven. this isn't an experiment, just a case study in developmental psychology