STAGES OF DEVELOPMENT IN SULLIVAN'S INTERPERSONAL THEORY
BIRTH TO 18 MONTHS (INFANCY)
Relief from anxiety through oral gratificaiton of needs
18 MONTHS TO 6 YEARS (CHILDHOOD)
Learning to experience a delay in personal gratification without undue anxiety
6 TO 9 YEARS (JUVENILE)
Learning to form satisfactory peer relationships
9 TO 12 YEARS (PREADOLESCENCE)
Learing to form satisfactory relationships with persons of same sex; initiating feeling of affection for another person.
12 TO 14 YEARS (EARLY ADOLESCENCE)
Learing to form satisfactory relationships with persons of the opposite sex; developing a sense of identity
14 TO 21 YEARS (LATE ADOLESCENCE)
Establishing self-identity; experiencing satisfying relationships; working to develop a lasting, intimate opposite-sex relationship.