| Typical Age Range | Description of Stage | Developmental Phenomena |
|---|---|---|
| Birth to nearly 2 years | Sensorimotor Experiencing the world through senses and actions (looking, hearing, touching, mouthing, and grasping) |
|
| About 2 to about 6 or 7 years | Preoperational Representing things with words and images; using intuitive rather than logical reasoning |
|
| About 7 to 11 years | Concrete operational Thinking logically about concrete events; grasping concrete analogies and performing arithmetical operations |
|
| About 12 through adulthood | Formal operational Abstract reasoning |
|