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 Demonstrate engagement when being fed 3 Will offer their toys to share 4 Might like to play solitary 5 Start to smile 6 Engage in role play 7 Want to be independent 2 years 18 months By 1 year 4-6 weeks By 1 year 2 years Newborn