Physical world development Timeline

Question 1

Piaget’s Stages & Ages

Answer 1

Sensorimotor stage (0-2yo)
Preoperational stage (2-7yo)
Concrete operational stage (7-12yo)
Formal operational stage (12yo and up)

Question 2

Detailed Sensorimotor stage

Answer 2

1-4mo: Interact with the world by reflexes & repeat pleasurable actions.
4-8mo: Repeat actions towards objects to produce a desired outcome.
8-12mo: Combine several actions to achieve a goal.
-> 8mo: Emergence of object permanence, less present oriented.
12-18mo: Trial and error experiments. NO A and B error.
18-24mo: Fully developed object permanence. Can represent objects. Allows for symbolic thoughts.

Question 3

Detailed Preoperational stage

Answer 3

Egocentrism and Centration. Conservation tasks.

Question 4

Detailed Concrete operational stage

Answer 4

Reversibility, Seriation, Cognitive maps
Cannot think in purely abstract terms. Reason about concrete obj and events.

Question 5

Detailed Formal operational stage

Answer 5

Can reason hypothetically & think abstractly. Pendulum problem.

Question 6

Nativist view: Solid objects Timeline

Answer 6

Object permanence is present much earlier than 8 months (Experiment in the dark)
3.5mo: Pass Drawbridge Study.

Question 7

Nativist view: Gravity Timeline

Answer 7

3mo understand gravity innate.

Question 8

Nativist view: Number Timeline

Answer 8

6mo: detect 2:1 ratio.
9mo: detect 3:2 ratio.

Question 9

Nativist view: Categorization Timeline

Answer 9

3mo: Cats vs dogs.
6mo: Mammals vs non mammals.
9mo: People, animals, inanimate objects.
12mo: Similarities in shape (trouble with boat-vehicle, snail-animal).
2-3yo: Hierarchies (superordinate, basic, subordinate).

Question 10

Kids do A&B errors (i.e. tendency to reach for a hidden object where it was last found vs where it was last hidden) until ____

Answer 10

12mo