Reviews recent literature on psychological changes that occur in middle age in men and women which indicate that men tend to become more affiliated and women more assertive. A series of cases are presented to illustrate the impact of these changes on middle age and marriage. (Author)

This annotated bibliography focuses on the ethological study of child development and the educational process. Topics covered include: (1) evolution; (2) dominance hierarchies and social organization; (3) agonistic, affiliative, and epistemic behaviors; (4) nonverbal communication; (5) play; (6) biological constraints on learning; and (7) relevant…