I believe it’s C but I’m not sure .
Answer:i cant answer that question that question is up to you to decide
Explanation:
Jean Piaget was a developmental psychologist - c. Piaget was infact one of the most known developmental psychologists which are very important and have been very important for the development of developmental psychology. He has had tremendous impact on the different fields within psychology and out of it.
I am not sure what you asking, but since Justin doesn't want to go to the graduation party because he know he going to be embarrass from not gradating with the rest of his friends.