PIAGET'S COGNITIVE DEVELOPMENTAL STAGES

1. SENSORIMOTOR (18 MOS TO 2 YEARS)
 
 
 
 

2. PREOPERATIONAL (AGE 2-7)
 
 
 
 

3. CONCRETE OPERATIONS (AGE 7-11)
 
 
 
 

4. FORMAL OPERATIONS (AGE 12 ON)