The second of a four-part series on the development of infants and toddlers, this article reviews current research on social and emotional development during the first two years and provides a selected list of activities designed to promote infants' optimal development. Attachment behavior and affective behavior are two major topics explored. (EV)

Reviews literature suggesting that a sociocultural model of infant social development is needed to examine variable influencing infants' interactions with caregivers. Significant variables include familial influences and cultural expectations. Positive development requires that these variables lead to adults who respond appropriately to infant…