2. Jean Piaget
• Child Psychologist
• Carl Jung
• Cognitive Theory
• Developmental Psychology
• Most Influential Developmental
Psychologist to Date
• Theory of Cognitive Development
3. Theory of Cognitive Development
• A comprehensive theory about the nature and development of
human intelligences
• Consists of Four Stages
4. Sensorimotor (ages 0-2)
• Cognitive development comes
through use of body and
senses
• No object permanence until
later in this stage
• Language absent until end of
period
• Egocentrism
5. Preoperational (ages 2-7)
• Begins using symbols; no
manipulation
• Realism, animism, irreversibility
• Beginnings of representation
• Egocentric and socialized speech
6. Concrete Operations (ages 7-11)
• Can perform mental
operations with the use of
concrete objects
• Classification and number
concepts
• Verbal understanding
7. Formal Operations (ages 11 and up)
• Released from the restrictions
of tangible and concrete
• May separate real from the
possible
• Hypothetic/deductive
reasoning
• Logico-mathematical
structures
• Language freed from concrete,
able to express the possible
8. Vocabulary
• Scheme- way of responding to the world
• Assimilation- new experience consistent with present scheme
• Accommodation- new experience that requires modification of old
scheme or formation of new scheme
• Equilibration- attempts to adjust prior scheme with new experiences
that do not fit
