Answer: I will tell Sam to be patient with Daria because she is just being Egocentric. And it is common with children her age.
Explanation: Cognitive ecocentrism is simply the projection of the way someone sees something on other people. Believing that everyone else is like you and should behave the way you do.
Therefore i will tell Sam that Daria is probably exhibiting normal cognitive egocentrism because she cannot fully understand the needs of another person yet and believes she should be tended to no matter what.