In a study of attachment behavior 10-month-old infants were observed under three conditions: with the mother, with an adult female stranger, and when both were present. Infants directed more social responses to the mother, but the stranger evoked more exploration behavior than distress. (ST)

A model of infant social behavior is developed which incorporates attachment to the familiar and fear of strangers as well as detachment from the familiar and exploration of the stranger. (JMB)

This study investigated infant crying as a form of communication, with fear considered only one of many possible motivating emotions. Crying, along with fretting and withdrawal, are the major ways infants have to indicate that they desire to change the present situation. Subjects were 91 white, middle class infants whose mothers wete their primary…

Children's responses toward strangers, qualities of mother-child interaction, and maternal stresses were examined in 38 mother-child pairs, with children from single and two-parent families. Responses to female and male strangers were observed in a modified Strange Situation. Mother-child interaction was assessed with a modified version of…

This paper presents two studies of the development of social competencies in infancy. In the first experiment, the central issue investigated was whether facial configuration or height is utilized by infants to respond differentially to children and adults. Five different strangers, a male and a female child, a male and a female adult, and a small…