The second year of life is a time of formative developmental change as basic behavioral systems undergo rapid integration and expansion. This study examined the developmental trajectories of social-emotional (SoE) outcomes and the effects of infant sex and household chaos (HC) on the development of SoE outcomes across the second year of life. The…

The effects of the familiarity of setting and partner on the social behavior of infants was studied. Subjects were 22 infants 6-18 months old. Eleven of the infants were in a day care center; the remainder were cared for at home. In the first portion of the study, the day care infants were observed interacting with each other in the nursery…

The Infant-Infant Contact Code, developed to observe the social behavior in infants, is described. Results from using this scale with nine infants under nine months indicated that contacts between infants are complex in nature, that there are developmental changes in models of encounter, and that babies take different roles in relation to the…

Examines the capability and motivation of 18- and 24-month-old infants to share, help, comfort, and cooperate with their older siblings; the frequency of such prosocial behavior by both siblings; and the children's response to sibling distress. The relationship between prosocial and conflict behavior was also studied. (HOD)

This paper presents a study designed to determine if providing information to primiparous mothers about the behavioral characteristics of their infants would affect reciprocity in mother-infant interaction. Thirty married, Caucasian, middle class mothers of healthy, normally carried and delivered 48-hour-old first-born infants served as subjects.…

In this study of prominent characteristics of parenting in the United States, France, and Japan, 72 mother-infant dyads were examined. The study focused on three prominent interactive domains of visual and vocal exchange between mother and baby (nurturing, social exchange, and didactic stimulation), examining their frequency of occurrence and…

This booklet provides guidance to parents regarding behavior of infants and toddlers, including behavior development and problems. It offers common sense advice and practical examples. The chapters are: (1) "Introduction: What Is Misbehavior of Babies?", discussing "crying" as an appropriate behavior for meeting physical and emotional needs, and…