Videotape recordings were made of the kick and step movements of six infants seven months of age, while they were in supine and upright positions on a stationary and moving treadmill. When placed on a moving treadmill, infants performed alternating stepping movements with many characteristics of mature walking. Implications are discussed. (RH)

Major life changes and role transitions, though often treated as stressors necessitating adjustment, in fact produce a wide range of effects on mental health. Focusing on the role context within which transition events occur, finds that life transitions can be nonproblematic or even beneficial when preceded by chronic role problems. (AF)

The analysis presented here focuses on different problem situations extracted from everyday interactions in which individual developmental changes of the child interfere with well-established interaction patterns of the family. These problem situations require conjoint mastery of two objectives: (a) successful integration of the child into the…