We evaluated the extent to which the externalizing behavior construct is self-organizing in the first 2 years of life. Based on dynamic systems theory, we hypothesized that changes in physical aggression, defiance, activity level, and distress to limitations would each be predicted by earlier manifestations of one another. These hypotheses were…

This report describes two exploration studies which examined the development of infants' intermodal knowledge by examining infants' auditorily guided visual search for objects. Experiment 1 examined intermodal search for the mother and father by 9 infants at each of three age levels: 3, 5, and 7 months of age; the final sample was 23 infants.…

This study assessed the quality of caregiver-infant feeding interaction with 3- and 9-month-old infants. Findings on several measures indicated that caregivers appear to be more vigilant to their infants' needs at three months than at nine months, although infants became clearer in their cues by nine months. Maternal personality was not related to…

Patterns of mothering and fathering in 72 families were observed longitudinally and from the perspective of the family system when infants were 1, 3, and 9 months old. Findings suggested similarities and differences in mothering and fathering. (Author/RH)