1. Chapter 9 Cognitive Development in the Play Years Michael Hoerger

2. Piaget: Preoperational Stage Four aspects of preoperational thought: 1.Centration: focusing solely on an object’s central attribute 2.Focus on appearance 3.Static reasoning 4.Irreversibility Conservation experiments

3. Manipulating an object’s appearance does not impact amount

4. Vygotsky: Child Apprentices Guided Participation: process of learning from helpful mentors Zone of Proximal Development Scaffolding: structured, supportive learning

5. Michael Hoerger To cite this textbook: Berger, K. (2005). The developing person through the lifespan. New York: Worth. To cite this lecture: Hoerger, M. (2007, February 14). Developmental Psychology: Toddler Cognitive Development. Presented at a PSY 220 lecture at Central Michigan University.