Infancy and ChildhoodJoAnn has an 18-month-old son, Eric, who has joined a play group every Saturday.Her son will play with the other kids for about 5 minutes. She has noticed, however, that he prefers to play on his own but within the circe. JoAnn is concerned about his growth and development: (Leaming Objectives 5, 6)
1. Enc is in which stage of Piaget's Cognitive development?