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