This document on changing patterns of teacher education in the United States is divided into three sections. Section 1, "Some Contextual Factors," covers the following topics: governmental issues; planning and management, the scientific base for educational practice, ideology and politics, and governance of teacher education. Section 2, is concerned with current patterns. Among the topics covered are the offering of options, teaching for competencies, cooperating in the field, reexamining inservice teacher education, developing teacher centers, and the traditional teacher education program. Section 3, discusses "Implications for Policy Analysis and Research." In this final section, policy issues are examined, and some recommendations for research and development in teacher education are offered. (JA)