Babyhood - learning to take solid foods, to talk and to walk
Early childhood - learning to control the elimination of body wastes and learning sex differences and modesty, distinguish right and wrong, beginning to develop a conscience and getting ready to read
Late childhood - learning physical skills necessary for ordinary games, building a wholesome attitude toward oneself as a growing organism, getting along with age-mates, developing appropriate masculine/feminine social roles, developing fundamental skills in reading, writing and calculating and also concepts necessary for everyday living, conscience, sense of morality and a scale of values, attitude toward social groups and institutions; achieving personal independence
Adolescence - achieving new more mature relations with age-mates of both sexes, masculine/feminine social role, emotional independence from parents and other adults and accepting one's physique and using one's body effectively, achieving socially responsible behavior, preparing for economic career, marriage and family life, acquiring a set of values and an ethical system as a guide to behavior – developing an ideology
Early adulthood - getting started in an occupation, selecting a mate, learning to live with a marriage partner, starting a family, rearing children, managing a home, taking on civic responsibility and finding a congenial social group
Middle age - achieving adult civic and social responsibility, assisting teenage children to become responsible and happy adults, developing adult leisure time activities, relating oneself to one's spouse as a person, accepting and adjusting to the physiological changes of middle age, reaching and maintaining satisfactory performance in one's occupational career; adjusting to aging parents
Old age - adjusting to decreasing physical strength and health, retirement and reduced income, death of spouse, adapting to social roles in a flexible way, establishing an explicit affiliation with members of one's age group; satisfactory physical living arrangements