This best illustrates Piaget's concept of egocentrism.
What is egocentrism?
Egocentrism can be defined as the inability or failure of a person to know and understand people perception except their own.
Based on the given scenario Jennifer has Egocentrism personality because she mistakenly believed that her mother will prefer toy as a present.
Therefore this best illustrates Piaget's concept of egocentrism.
Learn more about Egocentrism here:https://brainly.com/question/8807358
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