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 Engage in role play 4 Be wary of strangers 5 Might like to play solitary 6 Will offer their toys to share 7 Demonstrate engagement when being fed 18 months Newborn By 1 year 2 years 2 years 4-6 weeks By 1 year