-
2 months
Tries to look at parent -
4 months
Smiles spontaneously, especially at people -
6 months
Knows familiar faces and begins to know if someone is a stranger -
9 months
Copies sounds and gestures of others -
1 year
Has favorite things and people -
18 months
Likes to hand things to others as play -
2 years
Gets excited when with other children -
3 years
Copies adults and friends -
4 years old
Plays “Mom” and “Dad” -
5 years old
Wants to be like friends