SOCIOLOGY / 277 SY 630-INDIVIDUAL WORK. 1 to 5 credits Designed to permit graduate students to do work in subjects not available in currently offered courses. SY 634-SEMINAR IN FAMILY THEORIES. 4 credits Developing conceptualizations in investigation of family relationships. Problems and prospects of theoretical frameworks for the analysis of the family. SY 635-SEMINAR IN FAMILY RESEARCH. 4 credits Major empirical approaches to the investigation of family relationships. SY 643-SOCIAL RESEARCH METHODS. 4 credits Advanced studies in the literature of methodology. Statistical, sociometric, and experimental methods. SY 648-SURVEY RESEARCH. 4 credits Identical with PCL 615. Prerequisite: STA 320. SY 651-SEMINAR IN METROPOLITAN GROWTH AND DEVELOPMENT. 4 credits Prerequisite: 12 credits in social sciences. Nature and scope of metropolitan growth. Theories of urban growth and change; characteristics of metropolitan resi- dential areas; contemporary problems in urban planning. SY 652-SEMINAR IN URBAN ECOLOGY. 4 credits Urban sociology, with emphasis on urban ecology. Major theories in urban ecology in light of recent findings. Techniques utilized in urban ecology. SY 653-SEMINAR IN COMPARATIVE URBANIZATION. 4 credits Prerequisite: SY 350 or consent of instructor. Major trends of urbanization in the world. Causes and consequences. Relation between urbanization and industriali- zation. SY 658-SEMINAR: SOCIOLOGY OF RURAL DEVELOPMENT. 4 credits Processes of development. Change and stability in the rural setting. Changing patterns of social differentiation and stratification and in the structure and functions of other rural social institutions. SY 664-SEMINAR IN SPANISH-AMERICAN SOCIETIES. 4 credits Peoples and cultures of Spanish American countries. SY 665-SEMINAR IN BRAZILIAN SOCIETY. 4 credits Peoples and institutions of Brazilian life today. SY 672-SEMINAR IN POPULATION. 4 credits Prerequisite: SY 471. Readings, seminar reports, and supervised research. Research techniques and population trends in the United States. SY 673-SEMINAR IN LATIN AMERICAN POPULATION. 4 credits Prerequisite: SY 471. Readings, seminar reports, and supervised research in Latin American demography. The interrelationship between demographic and other social phenomena. SY 674-SEMINAR IN FERTILITY, MORTALITY, AND MIGRATION. 4 credits Prerequisite: SY 572. Determinants of fertility and mortality with emphasis on Latin American data. Trends, rates, and consequences of migration. The demo- graphic transition in Europe. Impact of family planning programs. SY 680-SEMINAR IN SOCIAL INTERACTION AND COLLECTIVE BEHAVIOR. 4 credits Prerequisite: SY 580. Research literature on social interaction, interaction models, roles, and self-conceptions. Analysis of collective phenomena such as crowd behavior, disasters, and mass behavior. May be repeated with change of content up to a maximum of 8 credits.