stages of development

Question 1

At what age mama/dada + 1 word? 200 words? 300 words? Two word combinations?

Answer 1

mama/dada + 1 = 1 year
200 words = 2 years
300 words = 3 years
two word combo = 2 years

Question 2

At what age potty train?

Answer 2

by 3 yo involved in or just completed potty training

Question 3

At what age ride a trike?

Answer 3

3 yo

Question 4

At what age object permanence?

Answer 4

8-9 months

Question 5

At what age stranger anxiety?

Answer 5

7-8 months, resolved by age 3-4

often lacking in autistic children

Question 6

At what age social smile?

Answer 6

2 months

Question 7

At what age sit unsupported?

Answer 7

5-6 months

Question 8

At what age walk?

Answer 8

1 year

Question 9

At what age pincer grasp?

Answer 9

1 year

Question 10

At what age draw circle?

Answer 10

3 years

Question 11

At what age know gender identity?

Answer 11

3 years

Question 12

At what age count to 50?

Answer 12

5 years

Question 13

At what age understand irreversibility of death?

Answer 13

7-8 years old

Question 14

At what age can identify that equal amounts of liquid in two different shaped containers hold same amount?

Answer 14

concrete operations / conservation = age 7-12 yo

Question 15

At what age develop ability to think abstractly?

Answer 15

13-17 yo = formal operations