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