Marked individual differences found among 2- to 3-year-olds in comments about their infant siblings were correlated with differences in comments 3 to 4 years later. Differences in behavior toward sibs at the earlier date were correlated with differences in mothers' accounts of sibling's relationships at 6 years of age. (Author/RH)

Examines the relationship between maternal depression and child behavior problems at various stages after childbirth. A random sample of first-time mothers from an inner London borough participated, and an examination of possible confounding factors in the relationships was attempted. (RH)

Triadic interactions between mother, preschool-age first-born, and 14-month-old second-born siblings were studied in 40 families as part of a longitudinal study using home observations. Interaction between mother and second-born exerted an important influence on the behavior of the first-born. (Author/RH)