A Summary of Piaget's Stages of Cognitive Development

According to Piaget's stages of cognitive development, a child's development can be broken down into four unique stages:
1. Sensorimotor Stage

Age: Birth-2 years

This stage is marked by the baby's ability to understand the world in terms of what he can do with an object. Example: A ball is only how it looks to the eye, tastes, and feels to the touch.

2. Preoperational Stage:

Age: 2-6 years

In this stage, the child is starts to use images, words and actions that stand for something else. Fastasy, or pretend play also starts to appear in this stage as well.

3. Concrete Operational Stage

Age: 6-12 years

Logic is developed, such as addition, subtraction, multiplication, division, and class inclusion; also inductive and deductive reasoning are developed.

and 4. Formal Operational

Age: 12 years +

The child is able to manipulate events in his head: see things that he never has seen or that have yet to happen and classify and organize ideas.

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