What should be changed to make the following statement true? Jean Piaget is famous for his theories regarding changes in emotional ability that occur as we move from infancy to adulthood. 1) The word "emotional"should be changed to the word "cognitive." 2) The word "famous"should be changed to the word "infamous." 3) The word "infancy"should be changed to the word "adolescence." 4) The name "Jean Piaget" should be changed to "Abraham Maslow."