Piaget

Sensorimotor Stage

• 0-2 Years
• Object Permanence
• Reflexes
• Coordination of reactions
• Symbols and Objects

Pre-operational Stage

• 2-7 Years
• Egocentric
• Imagination
• Language Development
• Lack of constancy

Concrete Stage

• 7-11 Years
• Categorize Knowledge
• Less egocentric
• Hierarchy classification
• Can engage in decentration
• Ability to think ahead

Formal Operational

• 11-Adulthood
• Abstract thinking
• Systematical thinking
• Identity development
• Social learning