Investigates age, sex, and cultural differences in achievement motivation. Subjects were 764 male and female British high school and Chinese students aged 13-55. Results revealed that Chinese students tested highest for achievement motivation. Discusses the entire range of results in terms of sociocultural and situational factors. (MJP)

If personal networks of only children differ from those of children with siblings, then study of the different patterns of personal association is especially relevant to the understanding of social change in China, where the population of children without siblings is rapidly increasing. A study of these differential social networks used data…