Jacob and his mother are driving home from school. Jacob, who is sitting in the back seat behind his mother, is telling a story about his foot getting hurt. Of course, his mother, who is driving, cannot see his foot, but Jacob keeps pointing to his foot, saying, ìMommy, see where I have my boo-boo?î Jacob is suffering from:.1. egocentrism.2. poor symbolic representations.3. centration.4. a lack of conservation.