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