Answer:
symbolic function substage
Explanation:
Piaget notes a preoperational stage , where a substage called symbolic function stage corresponds to Sally:
Sally is able to represent mentally objects that are not present directly to her, she then gains ability around 2 or 4 years to do so with a inability to distinguis between her view and the view from others.
This was demonstrated as child were asked to portray view from different perspectives and they all showed :egocentrism.
