Matching Pairs Infant Social DevelopmentOnline version Match the concepts related to social development in infants! by shannie moore 1 Be wary of strangers 2 Want to be independent 3 Might like to play solitary 4 Engage in role play 5 Demonstrate engagement when being fed 6 Start to smile 7 Will offer their toys to share 18 months 2 years By 1 year 2 years Newborn 4-6 weeks By 1 year