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