During the __________ stage of cognitive development, when children are confronted with a problem to solve, such as determining
whether a constant amount of liquid poured from one container to another container of a different shape stays the same, they use cognitive and logical processes to answer, no longer being influenced solely by appearance.
Conservation is the concept of things staying the same even though other elements change, and this becomes apparent when a child is anywhere from 7-11 years old which puts them in the concrete operational stage.
