Piaget's four stages of development

Piaget's Four Stages of Intellectual Development

Stage

Age

Charateristics

Sensorimotor
0-2 years
Building concepts through physical interaction with the environment

Preoperational
2-6 years
Beginning to develop a reflective orientation through the manipulation of observations and images

Concrete Operational
7-11 years
Relying on concepts and the logic of classes and relations to select and structure his experience

Formal Operational
12-15 years
Engaging in hypothetico-deductive reasoning with the reflective and abstract power

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Stage	Age	Charateristics
*Sensorimotor*	0-2 years	Building concepts through physical interaction with the environment
*Preoperational*	2-6 years	Beginning to develop a reflective orientation through the manipulation of observations and images
*Concrete Operational*	7-11 years	Relying on concepts and the logic of classes and relations to select and structure his experience
*Formal Operational*	12-15 years	Engaging in hypothetico-deductive reasoning with the reflective and abstract power