Social Interaction Milestones
0-3 months
Coos
Smiles when sees others
4-6 months
Babbles
Laughs
Shows excitement
7-12 months
Looks towards sounds
Waves to interact with others
Will use 1-2 words
Regulates attention
Relies on caregiver for support during stressful situations
1-2 years
Points to pictures in a book
Points to body parts on self
Engages in parallel play (will play near another child)
Follows 1-step directions (ex. Get your coat.)
Asks simple questions
Uses 2+ word phrases
Can be irritable due to constraints imposed
2-3 years
Will join in play with others for a brief period of time
Follows 2-step directions
Has a word for almost everything
3-4 years
Begins sharing with others
Is able to answer “Wh-” questions (Who?, What?, Where?, Why?)
Uses sentences with 4 or more words
4-5 years
Tells stories
Communicates easily
Case-Smith, J., & O'Brien, J. C. (2014). Development of Childhood Occupations. In Occupational Therapy for Children and Adolescents (pp. 87–95). essay, Mosby.