Four-Year-Old Dino Was Looking at His Alphabet Book

Multiple Choice

Four-year-old Dino was looking at his alphabet book. He was so excited that he recognized many of the letters that he shouted, "Mom! Mom, look at these letters. I know some of them!" As he pointed to the letters he recognized, he failed to turn the book to her so she, too, could see where he was pointing. According to Piaget, Dino demonstrated _____ when he did not turn the book to where his Mom could see.

A) formal operations thinking
B) symbolic function
C) hypothetico-deductive reasoning
D) egocentrism