A model and a mechanism are presented for improving interracial and multiethnic relations. The need for multicultural awareness programs to be preventive, developmental, and long-term is emphasized. A comprehensive theoretical context of racial and ethnic identity serves as the foundation for planning and directing multicultural programs. Part 1, "Understanding Prejudice and Racism," includes three chapters that provide the background needed to understand prejudice and racism. In Part 2, "Racial/Ethnic Identity Development," two chapters provide the theoretical basis for work in multicultural awareness and prejudice prevention. A pragmatic approach is the focus of Parts 3 and 4. Part 3 outlines intervention roles for counselors and educators, with a series of developmentally sequenced exercises. Part 4 contains an overview of the leading assessment instruments and resources for use in multicultural education. Appendixes contain the Social Attitudes Scale and the Multicultural Counseling Awareness Scale. Contains 234 references. (SLD)