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