The Fullerton Longitudinal Study is a contemporary prospective investigation that spans approximately a quarter of a century. Commencing at age 1, children and their families were systematically followed every 6 months from infancy through preschool and annually at ages 5 through 17. They were again assessed at age 24. The course of development…

Three major educational goals suggested for the child are: (1) that he learn to balance a concept of himself as both an individual and a group member; (2) that he became competent so that he will feel he can influence the events that affect his life; and (3) that he develop a positive sense of self-esteem. A transactional view of development and…

Reviews the research methods, design, and main findings of the Austin-Mexico City cross-cultural study of personality and intellectual development using an overlapping longitudinal design. A span of 12 years of development was extrapolated from six years of repeated testing with children ages 6, 9, and 12 years. (SS)