SENSORIMOTOR
PREOPERATIONAL
CONCRETE OPERATIONAL
FORMAL OPERATIONAL
100

How long does this stage span? 

Birth -2 years

100

How long does this stage span?

2-7 Years of Age

100

How long does this stage span?

7-11 Years of Age

100

How Long does this Stage Span?

11 years of Age-Adulthood

200

How many substages are there?

6

200

What do Children Use to Represent their discoveries in the World?

Symbols 

200

What Becomes logical, flexible, and better organized in children?

Their reasoning 

200

What does thought become in this stage?

More Abstract
300

How do infants think in this stage?

By Acting on the world with their Eyes, Ears, Hands, and mouth

300

What Develops in this stage?

Language
300

What are children more aware of in this stage?

Classification Hierarchies

300

What do Individuals' systematic Reasoning systems resemble? 

One of the Adolescent and Adults

400

Name the First 3 substages

1. Reflexive schemes

2. Primary Circular

3. Secondary Circular Reactions

400

What Kind of Play Takes place during this Stage?

Make-believe play

400
What do Children's Mental Operations work Poorly within this Stage?

Abstract Ideas

400

What can Adolescents now evaluate in this stage?

The logic of Verbal statements without referring to Real-world circumstances

500

Name the Last 3 Substages

4. Coordination of Secondary Circular Reactions

5. Tertiary Circular Reactions

6. Mental Representation 

500

For Piaget, what is the most fundamental Deficiency of Preoperational Thinking?

Egocentrism, (failure to Distinguish the Symbolic Viewpoints of others from one's own)

500

According to Piaget, what leads Children to reach the concrete operational stage?

Brain development and Experience in rich and Varied external world

500

What are adolescents now able to do when faced with a problem?

Hypothesize, Deduce testable inferences, and Isolate and combine variables to which hypotheses are confirmed

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