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Piaget's Stages of Cognitive Development

Jean Piaget's stages of cognitive development had an enormous impact on developmental psychology as well as education. Learn more about the stages of cognitive development.

Background and Key Concepts of Piaget's Theory
Important concepts in Piaget's stages of cognitive development include assimilation, accommodation, and equilibration. Learn more about these concepts as well as the background of Piaget's theory.

Sensorimotor Stage of Cognitive Development
The first stage of cognitive development in Piaget's theory is the sensorimotor stage. Learn more about the characteristics of the sensorimotor stage.

Preoperational Stage of Cognitive Development
The preoperational stage of cognitive development occurs between the ages of two and six. Learn more about the characteristics and major milestones of this stage.

Concrete Operational Stage of Cognitive Development
The concrete operational stage of cognitive development occurs between the ages of approximately seven to eleven. Learn more about the characteristics of the concrete operational stage.

Formal Operational Stage of Cognitive Development
The formal operational stage of cognitive development occurs from approximately age 12 to adulthood. Learn more about the characteristics of the formal operational stage.

Support and Criticism of Piaget’s Stage Theory
While Piaget's stage theory of cognitive development has been influential in psychology, there have been a number of criticims of his work. Learn more about support and criticism of Piaget's theory.

Quiz - Piaget's Stages of Cognitive Development
Jean Piaget's stage theory of cognitive development had a profound impact on child development research as well as education. Test your knowledge of Piaget's theory with this quiz.

Overview of Piaget's Stages
This handy chart outlines the four stages of Piaget's theory and some of the major events that occur during each stage.

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