Stage 1
Stage 2
Stage 3
Stage 4
100

What is the name of stage 1?

Sensorimotor Stage

100

What is the name of stage 2?

Preoperational Stage

100

What is the name of stage 3?

Concrete Operational Stage

100

What is the name of stage 4?

Formal Operational Stage

200

At what ages does stage 2 occur?

Birth - 2 year-olds

200

At which age does stage 2 occur; and what are the characteristics of this stage?

Ages 2 - 6/7 years of age; child learns to use language but does not yet comprehend mental operations and logic 

200

At what age does stage 3 occur?

7 years - 11 years of age

200

What is the age at which stage 4 occurs?

12 years old - adulthood 

300

What are the characteristics of stage 1?

Infants know the world around them due to their sensory interactions and motor activities 

300

The type of play that occurs during stage 2 when a child use objects, actions or ideas to represent other objects, actions, or ideas using their imaginations

Pretend play (having a 'tea party' with their stuffed animals)

300

How does a child's thinking ability change in stage 3?

A child is able to think logically about concrete events

Concrete - involving actual experiences 

300

A child's ability to think changes from concrete to ____

(hint: they can now ponder hypothetical prepositions; another word for formal operational thinking)

Abstract 

(the child is now able to think logically about abstract events)

400

At this stage, how do babies take in or interpret the world?

Through their senses and actions—through looking, hearing, touching, mouthing, and  grasping

400

A child's difficulty taking another person's point of view, inability to have regard for others' feelings

Egocentrism

400
What ability does Pigaet believe children become able to comprehend during this stage?

Mathematical transformations and conservation

400

What is this problem an example of?

If John is in school, then Mary is in school. John is in school. What can you say about Mary?

Formal Operational Thinking

500

What do young infants often lack?

Object permanence—the awareness that objects continue to exist when not perceived

500

Partial words or two-word sentences younger children typically use to convey thoughts and communicate

Holographic/Telegraphic speech

500

A child can now mentally pour the milk back and forth between glasses of different shapes, what is this called?

Understanding that change in form does not mean a change in quantity

500

What type of situations can now be thought of in stage 4?

Hypothetical situations and various possibilities, like situations that don’t exist yet, may never exist or might be unrealistic and fantastical.