Children were observed as they slowly grasped—or, as the case might be, bumped into—concepts that adults take for granted, as they refused, for instance, to concede that quantity is unchanged as water pours from a short stout glass into a tall thin one.
Children were observed as they slowly grasped—or, as the case might be, bumped into—concepts that adults take for granted, as they refused, for instance, to concede that quantity is unchanged as water pours from a short stout glass into a tall thin one.
他们发现，当孩子们慢慢成长或者在某些情况下会跟成年人的观念相冲突，比如，他们拒绝承认：水从一个矮而宽的水杯倒入另一个长而细的水杯数量却不变的事实。