1. Period 3
1.1. Concrete Operations
1.2. 7 to 11 age
1.3. Children are able to complete seriation tasks. They also start to make moral judgement at this age
2. Period 4
2.1. Formal Operations,
2.2. 11 to adulthood
2.3. You take in all the possibilities of problem solving, and you are able to see your future opportunities and role play issues
3. Period 1
3.1. Stage 1
3.1.1. Use of Reflexes and extends from birth to 1 month
3.1.2. pattern for interacting with the environment
3.2. Stage 2
3.2.1. Primary Circular Reactions
3.2.2. 1 and 4 months of age
3.2.3. Things happen by an accident but the action is repeated because the infants is amused by it.( caused internally)
3.3. Stage 3
3.3.1. Secondary Circular Reactions
3.3.2. 4 and 10 months
3.3.3. Behavior that is repeated for amusement. (caused externally)
3.4. Stage 4
3.4.1. Coordination of Secondary Schemes
3.4.2. 10 and 12 months old
3.5. Stage 5
3.5.1. Tertiary Circular Reactions,
3.5.2. 12 and 18 months
3.5.3. more exploring of their environment. The child also starts to use trail and error to help solve their problems
3.6. Stage 6
3.6.1. The Beginnings of Thought
3.6.2. 18 and 24 months
3.6.3. a further level of thinks. The child is able to think about thing in their head without having to physically do it.