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Approximate ageMotor milestoneCognitive/social milestone
3 months Holds head up, moro reflex disappers Social smile
4-5 months Rolls front to back, sits when propped recognizes people
7-9 months Sits alone, crawls Stranger anxiety, peak-a-boo
Upgoing babinski 12-14 months
15 months Walks few words, separation anxiety
12-24 months Climbs stairs, stacks 3 blocks, oben doors Object permanence, 200 words, 2 word sentences at age 2
18-24 months Stacks 6 blocks Rapproachment, kick a ball
24-36 months stacks 6-9 blocks core gender identity
30-36 months Stacks 9 blocks, Toilet training
3 years rides tricycle, copies line and circle 900 words and complete sentences
4 years Simple drawings (stick figures), hops on 1 foot, copies cross Cooperative play, imaginary friends, grooms self, brushes teeth, buttons and zips
6-11 years Rides bicycle, copies triangle Reads, understands death, development of conscience (super ego) same-sex firends, identification with same sex parent
11-13 years Abstract reasoning, formal operations, formation of personality
Tanner stage 1 Childhood
Tanner stage 2 Pubic hair begins to develop (adrenarche), increase size of testes, breast tissue elevation
Tanner stage 3 Increase pubic hair, darkens, becomes curly, increase in penis size/length
Tanner stage 4 Increase penis width, darker scrotalskin, development of glans, raised areole
Tanner Stage 5 Adult; areolae are no longer raised
Parallel play 24-48 months
Cooperative play 4 years
Lots of words 18 months
Birth-3 months Rooting reflex Orients to voice
Created by: ddecampo