Developmental Psychology Review

studied children's cognitive development, developed a 4 stage theory

• Piaget

• Erikson

• Kohlberg

• Vygotsky

Behavior consists of simple motor responses to sensory stimuli; lacks concept of object permanence - 1st Stage in Piaget's cognitive development theory

• Sensorimotor

• Pre-Operational

• Concrete Operations

• Formal Operations

Lacks operations (reversible mental processes); exhibits egocentric thinking; lacks concept of conservation; uses symbols to solve simple problems or to talk about things that are not present - 2nd Stage in Piaget's cognitive development theory

• Sensorimotor

• Pre-Operational

• Concrete Operations

• Formal Operations

Begins to understand concept of conservation; still has trouble with abstract ideas; classification abilities improve; masters concept of conservation - 3rd Stage in Piaget's cognitive development theory

• Sensorimotor

• Pre-Operational

• Concrete Operations

• Formal Operations

Understands abstract ideas and hypothetical situations; capable of logical and deductive reasoning - 4th Stage in Piaget's cognitive development theory

• Sensorimotor

• Pre-Operational

• Concrete Operations

• Formal Operations

a child's realization that an object exists even when he or she cannot see or touch it

• Conservation

• Identification

• Egocentrism

• Object Permanence

the process of fitting objects and experiences into one's existing schemas

• Accomodation

• Assimilation

• Egocentrism

• Schema

a young child's inability to understand another person's perspective

• Egocentrism

• Identification

• Sublimation

• Assimilation

A newborn infant has certain automatic movement patterns called

• Instincts

• Reflexes

• Formal Operations

• Schemas

This is referred to as the conceptual framework used to make sense of the world

• Schema

• Conservation

• Assimilation

• Evolution